What is the molarity of a solution made by dissolving 39.4 g of lithium chloride in enough water to make 1.59 l of solution?

Question

Blackjack

Chemistry

15 November, 17:19

What is the molarity of a solution made by dissolving 39.4 g of lithium chloride in enough water to make 1.59 l of solution?

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Answers (1)

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Sanai Doyle · Answer 1

Molar mass LiCl = 42.394 g/mol

number of moles solute:

n = mass of solute / molar mass

n = 39.4 / 42.394

n = 0.929 moles

Therefore:

Molarity = number of moles / volume (L)

M = 0.929 / 1.59

M = 0.584 mol/L