Homework Answers
1.Sol :-
Given mass of ZnSO4 = 1.79 g and
Mass of H2O = 17.8 g
Now,
Total mass of solution = 1.79 g + 17.8 g = 19.59 g
So,
Mass percentage of ZnSO4 in solution = Mass of ZnSO4 in solution / Total mass of solution
= 1.79 g x 100% / 19.59 g
= 9.14%
| Hence, percentage by mass of ZnSO4 = 9.14% |
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