# Calculate the mass of salt that can be obtained if 6.5 g. Dissolve zinc in sulfuric acid solution.

July 29, 2021 | education

| Zinc metal reacts with sulfuric acid to release hydrogen gas and form zinc sulfate. The reaction is described by the following equation:

Zn + H2SO4 = ZnSO4 + H2;

1 mole of metal reacts with 1 mole of acid. This synthesizes 1 mol of salt and 1 mol of hydrogen.

Let’s calculate the amount of zinc.

M Zn = 65 grams / mol;

N Zn = 6.5 / 65 = 0.1 mol;

The same amount of zinc sulfate will be synthesized. Let’s calculate its weight.

M ZnSO4 = 65 + 32 + 16 x 4 = 161 grams / mol;

m ZnSO4 = 0.1 x 161 = 16.1 grams;

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