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A 0.1936 gram sample of primary standard K2Cr2O7 was dissolved in water, the solution was acidified,...

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Chemistry

A 0.1936 gram sample of primary standard K2Cr2O7 was dissolvedin water, the solution was acidified, and after the addition of KI,the titration of liberated I2 required 33.61 ml of Na2S2O3solution. Calculate the molarity of the thiosulfate solution.

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Number of moles of K2Cr2O7 is n massmolar mass 01936 g 294gmol 658x104 molK2Cr2O7 6 KI 7H2SO4Cr2SO43 4K2SO4    See Answer
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