A solution containing 2.675 g of CoCl3 · 6NH3 (molar mass = 267.5 g mol–1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 to give 4.78 g of AgCl (molar mass = 143.5 g mol–1). The formula of the complex is(At. Mass of Ag = 108 u)

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A solution containing 2.675 g of CoCl3 · 6NH3 (molar mass = 267.5 g mol–1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 to give 4.78 g of AgCl (molar mass = 143.5 g mol–1). The formula of the complex is
(At. Mass of Ag = 108 u)

[Co(NH3)6]Cl3

[CoCl2(NH3)4]Cl

[CoCl3(NH3)3]

[CoCl(NH3)5]Cl2

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Excess of silver nitrate solution is added to 100 ml of 0.01 M Pentaaqua chloro chromium (III) chloride solution. The mass of silver chloride obtained in grams is
[Atomic mass of silver is 108].

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