Question on: JAMB Chemistry - 1998
8.0 g of an element X react with an excess of copper (ll) tetraoxosulphate (lV) solution to deposit 21.3 g of copper. The correct equation for the reaction is?
(Cu = 64).
A
X(s) + CuSO4(aq) → Cu(s) + XSO4(aq)
B
X(s) + 2CuSO4(aq) → 2Cu(s) + X(SO4)2(aq)
C
2X(s) + CuSO4(aq) → Cu(s) + X2SO4(aq)
D
2X(s) + 3CuSO4(aq) → 3Cu(s) + X2(SO4)3(aq)
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Correct Option: A
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