Nsherspinosaram Nsherspinosaram

20-02-2017
Chemistry

contestada

What is the molarity of a solution prepared by dissolving 12.9 grams of naf in enough water to produce 750 ml of solution?

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akiyama316 akiyama316

20-09-2017

Molarity = moles/Volume in Liters

We have volume, we need moles
molar mass of NaF = 42

moles = mass/molar mass = 12.9 g/ 42 = 0.307 moles

Molarity =0.307 moles / 0.750 L

Molarity = 0.41M

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