An excess of AgNO 3 solution is added to 100 m L of a 0.2 M dichloridotetraaquachromium ( III ) chloride. The number of millimoles of A g C l precipitated would be -----.

Question

An excess of AgNO 3 solution is added to 100 m L of a 0.2 M dichloridotetraaquachromium ( III ) chloride. The number of millimoles of A g C l precipitated would be -----.,

MARKS App · Accepted Answer

100 m L of 0.2 M solution means 0.02 moles of complex ∵ 100 1000 × 0.2 = 0.02 Cr H 2 O 4 Cl 2 Cl has one ionizable C l - . ∴ 0.02 moles of the complex precipitates the same amount of A g C l . ∴ Millimoles of A g C l precipitated = 20

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