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Rectified spirit contains 95% ethanol by weight. The mole fraction of ethanol will be A. 0.881B.0.99C.0.118 D. 0.81

Rectified spirit contains 95% ethanol by weight. The mole fraction of ethanol will be A. 0.881B.0.99C.0.118 D. 0.81

Grade:12

1 Answers

PRAJWAL
40 Points
6 years ago
95%= 95 g in 100 g of sollution therefore 5g of water mole fraction is given by m=      Methanol 
                                                                                                                                                                                                 ___________________
                                                                                                                                           Methanol +Mwater
it comes to be around .881 that is option a Mindicates no of mole  M=weight divided by molar  mass   

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