a solution contains Cr3+ and Mg2+. the addition of 1.00 L of 1.54 M NaF solution is required to cause the complete preci
Posted: Thu Jun 09, 2022 8:49 am
a solution contains Cr3+ and Mg2+. the addition of 1.00 L of 1.54 M NaF solution is required to cause the complete precipitation if these ions as CrF3(s) and MgF2(s). the total mass of the precipitate is 49.9 g. find the mass lf Cr3+ in the original solution.