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1-when trying to determine the molar mass of on unknown copper compound a studen

ID: 923404 • Letter: 1

Question

1-when trying to determine the molar mass of on unknown copper compound a student starts with 4.112g of copper salt. They perform a redox reaction in the same way as we did last week and recover 2.025 of copper metal. Asuuming only one copper ion in the unknown formula unit, what should the student calculate for the molar mass of the unknown? show your work ( Mwt. Cu = 63.55 g/mol )

2- If the copper unknown in problem 1 above had three copper ions per formula unit instead of one would calculated molar mass be larger, smaller, or unchanged? Briefly Explain.

Explanation / Answer

1-when trying to determine the molar mass of on unknown copper compound a studen

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