A solution contains Cr³+ and Mg2+. 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 49.9 g. Find the mass of Cr³+ in the original solution.

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.