A student dissolves 0.250 g of hydrated magnesium chloride, (molar mass = 203.31 g mol )

CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance

Problem

A student dissolves 0.250 g of hydrated magnesium chloride,

\text{MgCl}_2\cdot6\text{H}_2\text{O}

(molar mass = 203.31 g mol

^{-1}

), and dilutes the solution to a total volume of 100.0 mL. Determine the molarity of chloride ions, Cl

^{-}

, in the final solution.