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.

Expert Solution

queen_honey_blossom answered 2 years ago

A solution contains Al3+ and Co2+. The addition of 0.3628 L of 1.714 M NaOH results...

A solution contains Al3+ and Co2+. The addition of 0.3628 L of 1.714 M NaOH results in the complete precipitation of the ions as Al(OH)3and Co(OH)2. The total mass of the precipitate is 21.96 g. Find the masses of Al3+and Co2+ in the solution.

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A solution contains Al 3 + and Co 2 + . The addition of 0.3488 L of 1.779 M NaOH results in the complete precipitation of the ions as Al ( OH ) 3 and Co ( OH ) 2 . The total mass of the precipitate is 22.32 g . Find the masses of Al 3 + and Co 2 + in the solution.

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