Calculate the mass of sodium hydroxide required for the reaction with 1.6 g of copper sulfate (||).

univerkov | January 17, 2021 | education

Given:
m (CuSO4) = 1.6 g
To find:
m (NaOH)
Decision:
CuSO4 + 2NaOH = Na2SO4 + Cu (OH) 2
n (CuSO4) = m / M = 1.6 g / 160 g / mol = 0.016 mol
n (CuSO4): n (NaOH) = 1: 2
n (NaOH) = 0.016 mol * 2 = 0.032 mol
m (NaOH) = n * M = 0.032 mol * 40 g / mol = 1.28 g
Answer: 1.28 g

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