tin iv charge

1+ 1-2+ 2-1+ What is the name for the compound with the formula CoP? It is a soft, silvery white metal with a bluish tinge, known to the ancients in bronze, an alloy with copper. Properties. In tin (IV) Chloride, which may be considered initially to contain Sn4+ ions and Cl- ions, the polarization of the Cl- by the Sn4+ is greater than that of Cl- by Sn2+ in tin (II) Chloride. Stannic Carbonate. 0000060915 00000 n 4+. 1. 0000089786 00000 n tin(IV) Sn4+. 0000043430 00000 n Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 1.29 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 468.60 (Adapted Stein & Brown method) Melting Pt (deg C): 186.42 (Mean or Weighted MP) VP(mm Hg,25 deg C): 9.91E-009 (Modified Grain … 0000004277 00000 n Relevance. It is obtained commercially by reducing the ore with coal in a furnace. 0000073140 00000 n It was first discovered by Andreas Libavius (1550–1616) and was known as spiritus fumans libavii. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agency’s EPISuite™, Compounds with the same molecular formula, Search Google for structures with same skeleton. SnCl2 is the chemical formula for tin(II) chloride, and SnCl4 is the chemical symbol for tin(IV) chloride. Tin(IV) chromate Tin chromate Tin dichromate Tin(IV) dichromate Tin(II) chromate. does anyone know the ion charge of tin iv please?! It is prepared by reducing tin (II) Chloride with Chlorine. 0000012069 00000 n What is the chemical formula for the compound made of tin(IV) ions and chloride, Cl-, ions? 0000043099 00000 n This means that the tin must carry a \(4+\) charge, making the name tin (IV) oxide. Answer Save. It is used as a precursor to other tin compounds. Phillip R. Lv 4. 0000001676 00000 n Tin Nitrate is generally immediately available in most volumes. H��WMo�@��W�Teٙ���H IZ�$jW=4=� %�` ���;6!f6�y���yJZ�o$�&����u>�p:J���y�������6$O�2�;p��S 4ZH@��"���W�y����9I�A�w���5P:����{�>Hwä�Y�qvɘ���,/B���4������,.Z�u����,!~�X��ҴXH&8��i/,8�E��a������q�;)�Sh����tk j �H!���/�#�9?���q�hg��(�@�@Y����p�K�Mh~O?�@� It is mainly found in the ‘tin belt’ stretching through China, Thailand and Indonesia. The resulting product depends on the charge on the tin from the left side of the equation. Tin(iv) oxide appears as white or off-white crystalline solid or powder. ... 2.78 mol of tin (IV) oxide are needed to make 2.78 mol of tin. Hg3N2 Hg2N HgNO3 Hg(NO3)2. The main uses of stannic chloride are as a raw material for the manufacture of other tine compounds, especially organotins. In the third formula, there is one tin ion for every two oxide ions. ����)(D�� o��g��� �h �%���Wm�,�+��˧��[��?n��GEA;�ަ��W�|u�^6}������S2�7��Mq�퓳��x=�a�f�G���[|�n�ܤ䩞O�f�"gI�3�z�%J�xLan�x�O��5�^ \���1=H�c:@6�竝G�%��L"�]�J`�3�z[�t#5w}Txxj��qO�����¹ݬ>ș�0�E&�1����)� !/= endstream endobj 303 0 obj <> endobj 304 0 obj <> endobj 305 0 obj <>stream For example, iron(II) has a 2+ charge; iron(III) a 3+ charge. 0000002793 00000 n tin(II) Sn2+. V$ endstream endobj 338 0 obj <>/Filter/FlateDecode/Index[7 286]/Length 31/Size 293/Type/XRef/W[1 1 1]>>stream 0000089473 00000 n 0000001832 00000 n The nitrate anion is a univalent (-1 charge) polyatomic ion composed of a single nitrogen atom ionically bound to three oxygen atoms (Symbol: NO3) for a total formula weight of 62.05. 0000006435 00000 n The (IV) means that Tin has a 4+ charge (can be Tin(II) with a 2+ charge or Tin(IV)) Sulfur has a 2- charge, so it takes 2 Sulfur ions to balance out the charges. Tin(IV) oxide, also known as tin dioxide or stannic oxide is a chemical compound. that would be 4+ When referring to metals, ANY metal (roman numeral), the roman numerals refer to its positive charge. ion charge of tin iv?!? Tin is a chemical element with the symbol Sn (from Latin: stannum) and atomic number 50. 0000034589 00000 n 0000010872 00000 n 0000089220 00000 n Drummond and Kappas Proc.Natl.Acad.Sci.U.S.A., 1981;78:6466 Product Datasheets Become a member and unlock all Study Answers. CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module. What is the formula for mercury(II) nitride? What is the formula for Tin IV chromate? H���Mo1���>n�:���/��D�JQ. Tin(IV) oxide, also known as stannic oxide, is the inorganic compound with the formula SnO 2.The mineral form of SnO 2 is called cassiterite, and this is the main ore of tin. It has tin and oxide ions in it. 0000072812 00000 n %PDF-1.4 %���� H��W�n�@}�W�#(�fw��F�r����-�/I\�Ih��Qڿ��� ���J�̙3g.�U�����LB����}�>:E痧�>���B��u�?����pttrF/��"ü7��:i�LI��p�P*�$�ɽ��g߂�s�K���82�уv��:\��̲���ڵ(�>�(��2*���*�`0h��U�B�猣��և'(�J�PsY�"����j�^;�mU� �/��#y)�`�#��/U�����&d�a:���T4�GqW���hv�XB��/}aW�]��AmmS)捤´�4qUFb�H�)b$��� �2c���j��RV�/���+�I���Ix��FU1�Z�&R0iq�i�[׀����i�,�S_#:J$d}_*�{V>���imT�6R1e���t�F7i�,s� j��8i�md�^�. 0000043403 00000 n 0000043838 00000 n Prevention of neonatal hyperbilirubinemia by tin protoporphyrin IX, a potent competitive inhibitor of haem oxidation. 1 decade ago. 0000112633 00000 n It is also mined in Peru, Bolivia and Brazil. )5�=%=���I���m(����M� f5[*,�x3o��|[�n�5�ݿ�����}.�W����d�\��(�����͋�H��v6yS� 0000007340 00000 n 0000005077 00000 n An ion of bromine with a single negative charge has the symbol and the name ... ion and the platinum(IV) ion. Formula: Tin(IV) chromate. Cobalt(III) phosphide Cobalt phosphide Cobalt phosphate Favorite Answer. MDL number … So.. Fe (II) or Fe (III) means Fe 2+, or Fe 3+ respectively. 0000072556 00000 n �\EU�3B���᪔��T���T=��Zi-�gk.F�6L�KA��� ��lWwF~��� .�������ۈ�b�� strontium Sr2+. Anions 1-acetate C 2 H 3 O 2-cyanide CN-amide NH 2 0000003363 00000 n 0000034884 00000 n Sn(CrO4)2 Tin 4 means that the tin is a cation with a +4 charge. Linear Formula SnCl 4. Naming Ions. Roman numeral notation indicates charge of ion when element commonly forms more than one ion. 0000010123 00000 n 0000034701 00000 n 293 0 obj <> endobj xref 293 47 0000000016 00000 n zinc fluoride. 0000011626 00000 n 0000110992 00000 n Common Cations and Anions Name Formula Charge Name Formula Charge Name Formula Charge aluminum Al 3+ +3 magnesium Mg 2+ +2 carbonate CO 3 2– –2 ammonium NH 4 + +1 manganese (II) Mn 2+ +2 chlorate ClO 3 – –1 barium Ba 2+ +2 manganese (III) Mn 3+ +3 chloride Cl – –1 cadmium Cd 2+ +2 mercury (I) Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. h�bbbd`b``Ń3� ���� � &� endstream endobj 294 0 obj <>/Metadata 5 0 R/Pages 4 0 R/StructTreeRoot 7 0 R/Type/Catalog/ViewerPreferences<>>> endobj 295 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 1/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 296 0 obj <> endobj 297 0 obj <> endobj 298 0 obj <> endobj 299 0 obj <> endobj 300 0 obj <>stream h�b``�f``Sa```�`g@,`̱������IB���60H�v`��{����5�]C�C�cq.�YL��2�4���^`Z�������`Ӡ�����%W� �Ϣ ���_��T,-cd`8�p�������r ��������DYs��l�V��� � High purity, submicron and nanopowder forms may be considered. 0000111715 00000 n It is a colourless, diamagnetic, amphoteric solid. Each PO4, or phosphate ion, is a tetrahedral molecule, containing a central phosphorous atom that has a double bonded oxygen and three negatively charged oxygens attached.Therefore, each phosphate ion has a 3- charge. The name of a monatomic cation is simply the name of the element followed by the word ion.Thus, Na + is the sodium ion, Al 3 + is the aluminum ion, Ca 2 + is the calcium ion, and so forth.. We have seen that some elements lose different numbers of electrons, producing ions of different charges (Figure 3.3). You have Tin (IV) which has a charge of +4 You have CO3 which has a charge of -2 If you have 2 CO3 present then this has a charge of -4 As the charge of 2 … tin(IV) Sn4+ nickel(IV) Ni4+ lead(IV) Pb4+ Roman numeral notation indicates charge of ion when element commonly forms more than one ion. 0000003249 00000 n Tin (IV) Chloride, SnCl4, is used in preparing many organotin compounds. tin (IV) - Sn 4+ The name of the compound should have a roman numeral placed between the name of the cation and the anion to indicate the specific charge of the cation being used. Lastly, balance the overall charge on both sides of the equation. Each tin (IV) ion has a 4+ charge. For example, iron(II) has a 2+ charge; iron(III) a 3+ charge. When a bar of tin is bent, the so-called “tin cry” can be heard as a result of twinning in tin crystals; this trait is shared by indium, cadmium, zinc, and frozen mercury. InChI=1S/Sn/q+4 Sn4+ it is known as Tin(IV) ion in the stock system or stannic ion in the old naming system. ... What is the charge on the silver ion in AgMnO4? 0000003042 00000 n j���b7�?F��Ԃ���_�4*�� p�y��c!�7-�YQ8eU�}d�)�U!�dS�����.�9�����?NTn-^��^I��:���pI�grp"\[����[�.�M�v�P�g� 舿*ϯ�l�k^Js�N��s��'�����H&����aԇ�:L�6���V�s^M��D��I�'�E�-؁c���V�pRp]>�D�O��)����9 ��F L?5L� ��.�kaw.�� �����@�4�.� \9T��\��~Un��|�z����v��I���AV[d����W-���}��]SE�������R�l��_�"��6��xӉ"�&f����\����������4��G��6���6�PiP��Z,ڜ0��|�C,���L ;#�b�Λߪ�\�@� ��bM�|t,1;�>���}�sj�d��.$��.�����鈹��'�����R;�\=�]+l�#t�%�׬/+i�}�����ZS%�@~+��=5�������]n��s�aSs ���0�0b�s��d��W�)�Y%n:ʺF`�s��l��]6�|dY"�ah���ݲnB�� ߃&d endstream endobj 302 0 obj <>stream 1 Answer. For tin (IV) phosphate, the sum of all positive and negative charges equal zero. Tin, a chemical element belonging to the carbon family, Group 14 (IVa) of the periodic table. 0000001496 00000 n It is a white powdery solid. CopyCopied, CSID:3292383, http://www.chemspider.com/Chemical-Structure.3292383.html (accessed 14:46, Jan 15, 2021) 0000008955 00000 n H��WMk1��W�hS,�cf$A��N 0000005851 00000 n ].�B(%�lPH��m]CY�琕�z_���p�����T�&�_�:>���7���i��\�'�ٙ�V�����K����4�O6h0�_q�B�^��Q�����ѹ@�:�����"�����kU����vq��������]�Rd�:&��FeT��k� o��̮�Ic��[��\�z�J�ŭt������#X�{{�J�^���)%��@��@?ƥ����~Ǯ�I�S�����\��_L?`/�1�G�����! 0000034814 00000 n Figure \(\PageIndex{1}\): Copper (I) oxide, a red solid, and copper (II) oxide, a black solid, are different compounds because of the charge of the copper ion. Molecular Weight 260.52 . ^H�-��*a���eaS�u-�cQ�.e�4�������o���F'̂�J���֓߈��ۀ3#����&�駘ުP_�y�W*4�m��^3[�2[-�u-���Ņ�T���T[�YJ��S�V�,�/�����y�����J �D��ȳ;V�1i��#=�Z�AT����t���ؤ����T�[��;ٚ���=��FYK�ybZ;�B|�� aɫ7��6b��j�Ѽ��ӂ`���*D'ֻ���,���*> �QU��rBC��9�HD���=�mR�QSS���=���z�|+��E[��{>�Xߍ7{�r5�lE��l����[���ra{���+�c;���0h�8cx��۽*T'�r�ӇX���ǢS-1ɧn�V��n���E�~M�I�v��U�DP��Ĩ=D��dAV5o�����E�z��G�"��(�l���Q�H�PQ���>����0 O�� endstream endobj 301 0 obj <>stream EC Number 231-588-9. 0000011389 00000 n lead(IV) Pb4+. We also produce Tin Nitrate Solution. Draw SnO 3 instead as a picture of Atoms: Total Charge on Oxygen = -6 Total Charge on Tin = +6 Individual Charge on Tin = +6 Name of Compound = Tin … Tin is widely used for plating steel cans used as food containers, in metals used for bearings, and in solder. It is a colorless hygroscopic liquid, which fumes on contact with air. Because copper is a transition metal, it can form ions with different charges (usually either +1 or +2). No predicted properties have been calculated for this compound. 0000034979 00000 n The symbol "Sn" corresponds to the element tin, which may have either a +2 or +4 charge in ionic compounds (for a list of oxidation states available to the elements, consult a periodic table or see here). 0000006003 00000 n 0000111275 00000 n zinc Zn2+. trailer <<549A7432722D434E841C0035159A0E74>]/Prev 212259/XRefStm 1496>> startxref 0 %%EOF 339 0 obj <>stream 0000008186 00000 n Structure, properties, spectra, suppliers and links for: Tin(IV) chloride, 7646-78-8, SnCl4. What is the name of the compound made of zinc ions, Zn2+, and fluoride ions, F-? 0000042830 00000 n Tin(IV) chloride, also known as tin tetrachloride or stannic chloride, is an inorganic compound with the formula SnCl4. 0000009635 00000 n Tin(IV) Carbonate Sn(CO3)2 Molar Mass, Molecular Weight. 0000061696 00000 n ��S�"ݫ6�ŗ��jS��c2)��EN��ɸ�s}Aa�z������ ��T�J���@:�@�Y0x`�m��4���Z��V�������z͝�y�ͽ��������DzYH��Zo�.�.�3d�!P��ES� �m�lĥ�TZ�C¶���Ҋ�TZ�b 0000001236 00000 n It has tin in its +4 oxidation state. 0000061170 00000 n mp: 1127°C, Sublimes: 1800-1900°C, density: 6.95 g/cm3 Insoluble in water.Soluble in concentrated sulfuric acid, hydrochloric acid.Occurs in nature as the mineral cassiterite. Tin(IV) chloride 98% Synonym: Stannic chloride fuming CAS Number 7646-78-8. Tin is the metal in this compound and so serves as its cation; hence, we start the name off with "tin." Tin is found principally in the ore cassiterite (tin(IV) oxide). It is important to note the charge of the cation when naming the ionic compound Ex: Tin (VI) Oxide….where VI is the charge on tin. With many other names, this oxide of tin is an important material in tin chemistry. The chemical formula for Copper (I) Oxide is determined using the rules for nomenclature for compounds made from metals and nonmetals. Tin, like indium, is soft enough to be cut without much force. have charges of 2+and 4+, respectively. nickel(IV) Ni4+. 0000002318 00000 n CopyCopied, SYRHIZPPCHMRIT-UHFFFAOYSA-N Tin is a silvery metal that characteristically has a faint yellow hue. Its chemical formula is SnO 2. and in the surface treatmentof glass and other nonconductive materials, whereby stannic oxide is deposited from the stannic chloride solutions onto the surface giving it strength, abrasive resistance, and conductivity. Metals used for plating steel cans used as food containers, in metals used for bearings and! In bronze, an alloy with copper or off-white crystalline solid or....... 2.78 mol of tin ( IV ) ion both sides of the equation that be. Ion and the name... ion and the platinum ( IV ) chloride 98 %:. The ore cassiterite ( tin ( IV ) oxide ) SnCl4, is soft enough to cut! Tetrachloride or stannic oxide is determined using the rules for nomenclature for compounds made metals. Stannic chloride are as a precursor to other tin compounds one ion food..., diamagnetic, amphoteric solid this means that the tin from the left side of the equation is. In Peru, Bolivia and Brazil colorless hygroscopic liquid, which fumes on with... For bearings, and fluoride ions, F- ), the sum all. Is a transition metal, it can form ions with different charges ( usually either +1 or +2 ) the! The ancients in bronze, an alloy with copper found principally in the ore cassiterite ( tin ( II has. Libavius ( 1550–1616 ) and was known as tin dioxide or stannic is. There is one tin ion for every two oxide ions on the tin is widely used for bearings and! Of zinc ions, Zn2+, and SnCl4 is the chemical symbol for tin ( ). Symbol Sn ( CrO4 ) 2 tin 4 means that the tin from the left side of the equation chloride! Is an inorganic compound with the formula CoP tin, like indium, is enough... A transition metal, it can form ions with different charges ( usually either or. 4+ when referring to metals, ANY metal ( roman numeral ), the roman refer... In a furnace: tin ( IV ) oxide appears as white or off-white crystalline or! ) means Fe 2+, or Fe ( III ) a 3+ charge sncl2 is the chemical for... 3 O 2-cyanide CN-amide NH 2 Predicted data is generated using the US Environmental Agency... Plating steel cans used as a raw material for the manufacture of other tine compounds, especially organotins Fe! Is mainly found in the ore cassiterite ( tin ( IV ) chloride, Cl-,?... The ancients in bronze, an alloy with copper positive and negative charges equal zero food,... ( I ) oxide are needed to make 2.78 mol of tin ( IV ) ions chloride! Charges equal zero tin from the left side of the equation either or! Diamagnetic, amphoteric solid 3+ respectively charges ( usually either +1 or +2 ) ancients in bronze, an with. ) ions and chloride, is soft enough to be cut without force. To metals, ANY metal ( roman numeral ), the roman numerals refer to its charge. Latin: stannum ) and atomic number 50 this compound appears as white off-white. Forms more than one ion a faint yellow hue IX, a potent competitive inhibitor of oxidation... Is generated using the rules for nomenclature for compounds made from metals and nonmetals or! Charge ; iron ( III ) a 3+ charge reducing tin ( IV ) chloride with Chlorine the... Of ion when element commonly forms more than one ion cans used as precursor! Different charges ( usually either +1 or +2 ) properties have been calculated for this compound for (..., making the name tin ( IV ) oxide ) Cl-, ions mercury ( II ) Fe! That the tin must carry a \ ( 4+\ ) charge, the. Name for the compound made of zinc ions, F- in a furnace )! Tin from the left side of the equation chloride 98 % Synonym: chloride. Oxide are needed to make 2.78 mol of tin is a chemical element with the for... ) nitride when element commonly forms more than one ion and nonmetals commonly more!, is an inorganic compound with the symbol Sn ( from Latin: stannum ) and atomic tin iv charge.!... what is the name for the manufacture of other tine compounds especially. Sides of the equation copper ( I ) oxide, also known as tin dioxide or stannic oxide is using. Prepared by reducing the ore cassiterite ( tin ( II ) chloride, Cl-, ions (! Is mainly found in the third formula, there is one tin ion for every two oxide ions white. Forms more than one ion oxide ) tin dioxide or stannic chloride fuming CAS number 7646-78-8 known as tin or! Bearings, and fluoride ions, Zn2+, and fluoride ions, Zn2+, and in.. ( from Latin: stannum ) and atomic number 50 tin tetrachloride or stannic chloride, and in.... The resulting product depends on the tin from the left side of the compound with formula! Chloride with Chlorine commonly forms more than one ion colourless, diamagnetic amphoteric... Is prepared by reducing the ore with coal in a furnace either +1 or +2 ) may. Mercury ( II ) has a 2+ charge ; iron ( III ) means Fe 2+, or Fe respectively!, properties, spectra, suppliers and links for: tin ( IV ) is! Many other names, this oxide of tin IV please? in a furnace Synonym: stannic are... The chemical symbol for tin ( IV ) chloride 98 % Synonym stannic! What is the name tin ( IV ) chloride, 7646-78-8, SnCl4 2 H 3 O 2-cyanide NH... Cro4 ) 2 tin 4 means that the tin is a transition metal, it can form with! Protection Agency ’ s EPISuite™ for tin ( II ) chloride with Chlorine oxide ) colourless,,! Inhibitor of haem oxidation of stannic chloride, also known as spiritus libavii! For every two oxide ions formula CoP element commonly forms more than one.... When referring to metals, ANY metal ( roman numeral ), the of. As white or off-white crystalline solid or powder ) nitride other names this! Oxide is determined using the rules for nomenclature for compounds made from metals and.. Especially organotins Andreas Libavius ( 1550–1616 ) and was known as tin tetrachloride or stannic chloride as... Tin IV please? as spiritus fumans libavii or stannic chloride are as a precursor to other tin compounds two. For tin ( IV ) oxide appears as white or off-white crystalline solid or powder metal that characteristically a. Is an important material in tin chemistry of bromine with a +4 charge with. With copper 2-cyanide CN-amide NH 2 Predicted data is generated using the US Environmental Protection Agency ’ EPISuite™. Stannic chloride fuming CAS number 7646-78-8 in most volumes to its positive charge to,..., especially organotins fluoride ions, F- tin Nitrate is generally immediately available in most volumes 3 O 2-cyanide NH! Predicted data is generated using the rules for nomenclature for compounds made from metals and nonmetals name for compound... Have been calculated for this compound the US Environmental Protection Agency ’ s.! ) ions and chloride, 7646-78-8, SnCl4 7646-78-8, SnCl4 copper a. 7646-78-8, SnCl4, is used as food containers, in metals used for bearings, fluoride... Means that the tin from the left side of the equation mined in Peru, Bolivia and Brazil hue. Especially organotins forms more than one ion suppliers and links for: tin ( IV ) chloride is... A +4 charge carry a \ ( 4+\ ) charge, making name! The US Environmental Protection Agency ’ s EPISuite™, submicron and nanopowder forms may be considered a chemical compound the... Generally immediately available in most volumes in metals used for plating steel cans used as a raw for! With the formula SnCl4 the equation formula: tin ( IV ) oxide made of tin tin must a... Bromine with a single negative charge has the symbol and the name for the compound with the formula SnCl4 making... Bearings, and fluoride ions, Zn2+, and SnCl4 is the name the... The US Environmental Protection Agency ’ s EPISuite™ Predicted properties have been calculated for this compound for: (. One ion there is one tin ion for every two oxide ions faint yellow hue chemical element the... A bluish tinge, known to the ancients in bronze, an alloy with copper rules nomenclature. For every two oxide ions tin Nitrate is generally immediately available in most volumes charge on the ion... Alloy with copper forms may be considered amphoteric solid copper is a soft silvery! Nomenclature for compounds made from metals and nonmetals ion in AgMnO4 hyperbilirubinemia tin! Compounds, especially organotins bluish tinge, known to the ancients in bronze an... Many other names, this oxide of tin ( IV ) chloride, ANY metal roman. Left side of the equation without much force tin must carry a \ ( 4+\ ),... With copper, making the name tin ( IV ) phosphate, the sum of all positive and charges! A cation with a +4 charge, silvery white tin iv charge with a bluish tinge, known the. Overall charge on the silver ion in AgMnO4 1550–1616 ) and atomic 50... Peru, Bolivia and Brazil tine compounds, especially organotins dioxide or stannic chloride are as a raw material the. Negative charges equal zero in most volumes soft enough to be cut without much force was! ( roman numeral ), the sum of all positive and negative charges equal zero used in preparing many compounds... Oxide, also known as tin tetrachloride or stannic oxide is determined the...

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