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1g mixture of cuprous oxide and cupric oxide was quantitatively reduced to 0.839g of metallic copper.What was the weight of cupric oxide in the original sample?(Cu=63.5,O=16)

1g mixture of cuprous oxide and cupric oxide was quantitatively reduced to 0.839g of metallic copper.What was the weight of cupric oxide in the original sample?(Cu=63.5,O=16)

Grade:12th Pass

1 Answers

Chetan Mandayam Nayakar
312 Points
9 years ago

let cupric oxide =x and let cuprous oxide=y

x+y=1g

x(63.5/(63.5+16))+y(127/(127+16))=0.839g

solve for x and y

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