How many g of salt will be obtained by reacting 80 g of sodium hydroxide with hydrochloric acid?

univerkov | May 1, 2021 | education

1) Let’s write the reaction equation:

NaOH + HCl = NaCl + H2O

2) Calculate the mass of the resulting salt:

n (NaOH) = m (NaOH) / Mr (NaOH) = 80 (g) / 40 (g / mol) = 2 mol;

n (NaCl) = n (NaOH) = 2 mol;

m (NaCl) = n (NaCl) * Mr (NaCl) = 2 (mol) * 58.5 (g / mol) = 117 g;

Answer: 117 g NaCl.

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