A solution contains Cr 3 ions and Mg 2 ions The addition of 1 00 L of 1 51 M NaF solution causes the complete precipitation of these ions as CrF 3 (s) and MgF 2 (s) The total mass of the precipitate is 49 6 g Find the mass of Cr 3 in the original solution ...

Step 1 Write the balanced chemical equations for the precipitation reactions The balanced chemical e ...

A solution contains Cr 3 + ions and Mg 2 + ions. The addition of 1.00 L

Question:

A solution contains Cr^{3 +} ions and Mg²⁺ ions. The addition of 1.00 L of 1.51 M NaF solution causes the complete precipitation of these ions as CrF₃(s) and MgF₂(s). The total mass of the precipitate is 49.6 g. Find the mass of Cr^{3 +} in the original solution.

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