Explain the chromium in the ore as chromium phospate

Reference no: EM13192461

A 6.50 gram sample of an ore containing chromium is dissovled and then treated with an excess of Na3PO4 (aq), which precipitates out all of the chromium in the ore as chromium (III) phospate, CrPO4.

If 0.240 gram of CrPO4 is formed, what is the mass percentage chromium in the ore sample?

Reference no: EM13192461

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