Find the amount of NaOH substance if its mass is 400g.

univerkov | November 21, 2020 | education

Given:
mNaOH = 400g
n -?
n = m / M
M (NaOH) = 23 + 16 + 1 = 40 g / mol
n = 400g / 40 g / mol = 10 mol.
n – amount of substance
M is the molar mass of the substance.

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