Question

6.0 gm sample of Caco, reacts with 20 gm solution of HCl having 20% by mass of HCl (density=1.10 gm
ml). Calculate percentage purity of Caco, sample.
A) 9.13% B) 91.33% C) 54.8% D) 5.48%
Pls give relevant answers
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Answer 1

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It's option A ) 9.13%