0.9546 g of a Rochelle salt , NaKC_(4)H_(4)O_(6).4H_(2)O on ignition , – InterviewSolution

InterviewSolution

1.	0.9546 g of a Rochelle salt , NaKC_(4)H_(4)O_(6).4H_(2)O on ignition ,gave NaKCO_(3) , which was treated with 41.72 mL of 0.1307 N H_(2)SO_(4) . The unreacted H_(2)SO_(4) was then neutralised by 1.91 mL of 0.1297 N NaOH. Find the percentage purity of the Rochelle salt in the sample .
Answer» SOLUTION :`76.87` %

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