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In: Chemistry

A solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.52 M...

A solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.52 M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 50.4 g .

Determine the mass of Cr3+ in the original solution.

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