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Dissolving 1.24 g of white phosphorous i...

Dissolving 1.24 g of white phosphorous in boiling NaOH solution in an inert atmosphere gives a gas Q. The amount of `CuSO_4` (in g) required to completely consume the gas Q is _______.
[Given: Atomic mass of H = 1, O = 16, Na = 23, P = 31, S = 32, Cu = 63]

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