Question: I need help with these two questions please. 7). What mass of potassium iodate is needed to convert the copper in 0.2750g of copper (II)

I need help with these two questions please.

7). What mass of potassium iodate is needed to convert the copper in 0.2750g of copper (II) sulfate pentahydrate to copper (II) iodate? 8) Precipitates used in the gravimetric determination of uranium include Na2U2O7 (634.0g/mol),(UO2)2P2O7(714.0g/mol), and V2O52UO3(735.9g/mol). Which of these weighing forms provides the greatest mass of precipitate from a given quantity of uranium

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