What is the concentration, in grams per liter, of a solution prepared by dissolving 0.00040 mol HCl in 2.2 L H2O? Assume that the volume of the solution does not change when the HCl is added.

Question

Gerald Levine

Chemistry

27 January, 23:48

What is the concentration, in grams per liter, of a solution prepared by dissolving 0.00040 mol HCl in 2.2 L H2O? Assume that the volume of the solution does not change when the HCl is added.

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Answers (1)

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Jaydin Marsh · Answer 1

Hey there!

1) molarity of solution:

M = n / V

M = 0.00040 / 2.2

= 1,81x10⁻⁴ M

Therefore:

Molar mass HCl = > 36.46094 g/mol

C = M * mm

C = (1.81x10⁻⁴) * 36.46094

C = 0.00629 g/L