Calculate the concentrations of the following solutions:

CHEMISTRY · Multi-part · A Level · Chemistry · Amount of substance · Amount of substance

Problem

Calculate the concentrations of the following solutions: (a) 10.2 g dm−310.2 \text{ g dm}^{-3} Pb(NO3)2\text{Pb}(\text{NO}_3)_2 in mol dm−3\text{mol dm}^{-3} (b) 4.6 g dm−34.6 \text{ g dm}^{-3} MgCl2\text{MgCl}_2 in mol dm−3\text{mol dm}^{-3} (c) 0.01 mol dm−30.01 \text{ mol dm}^{-3} NaOH in g dm−3\text{g dm}^{-3}

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