Calculate the mass of sodium hydroxide that forms as a result of the interaction of 18g. water with sodium oxide

univerkov | January 17, 2021 | education

Given:
m (H2O) = 18 g
To find:
m (NaOH)
Decision:
2H2O + Na2O = 2NaOH + H2O
n (H2O) = m / M = 18 g / 18 g / mol = 1 mol
n (H2O): n (NaOH) = 1: 1
n (NaOH) = 1 mol
m (NaOH) = n * M = 1 mol * 40 g / mol = 40 g
Answer: 40 g

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