03-01-2021
Chemistry

contestada

What is the molality of a solution of 10 g NaOH in 500 g water?
Molar mass NaOH = 40 g

Respuesta :

ChoiSungHyun ChoiSungHyun

03-01-2021

Explanation:

Moles of NaOH = 10g / (40g/mol) = 0.25mol.

0.25mol / 500g = 0.50mol / 1000g = 0.50mol/dm³.

The molarity is 0.50mol/dm³.

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