How much calcium can react with a solution containing 34 g of hydrogen chloride.

univerkov | March 8, 2021 | education

Given:
m (HCl) = 34 g

To find:
m (Ca) -?

1) Ca + 2HCl => CaCl2 + H2;
2) n (HCl) = m / M = 34 / 36.5 = 0.93 mol;
3) n (Ca) = n (HCl) / 2 = 0.93 / 2 = 0.47 mol;
4) m (Ca) = n * M = 0.47 * 40 = 18.8 g.

Answer: Ca mass is 18.8 g.

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