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3.97g of pentanol C5H12O dissolves in 83g of water at 30°c.The upper pressure of pure...

3.97g of pentanol C5H12O dissolves in 83g of water at 30°c.The upper pressure of pure water at 30°c is 21.47mmHg calculate
1)The vapour pressure of heating
2)The vapour pressure of the solution?

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