Answer to Question #184854 in Biology for nicole

Question #184854

What is the molality of a solution containing 11.7 g Na 2 SO 4 dissolved in 2383.6 g of water?

Expert's answer

Сm = n / m

n = m / M

M (Na₂SO₄) = 142.04 g/mol

n (Na₂SO₄) = 11.7 / 142.04 = 0.08 mol

Cm (Na₂SO₄) = 0.08 / 2.3836 = 0.03 m

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