Answer to Question #141358 in General Chemistry for yara

General Chemistry

Question #141358

116grams of KF is dissolved in enough water to make 4.0 L of solution.

Expert's answer

m (KF) = 116 g

n (KF) = m (KF)/M (KF) = 116 / (39 + 19) = 58 / 116 = 0.5 mol

C (KF) = n (KF) / V(solution) = 0.5 mol / 4 L = 0.125 mol/L

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