elizzabel6421 elizzabel6421

08-06-2018
Chemistry

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What is the mole fraction of urea in a solution that contains 2.1 mol of urea and 4.4 mol of water?

Respuesta :

kenmyna kenmyna

17-06-2018

The mole fraction of urea in a solution that contain 2.1 mol Urea and 4.4 mole of water is 0.32

calculation

mole fraction = moles of urea/ total mole

moles of urea = 2.1 mole

calculate the total mole
= 2.1 mole + 4.4 mole = 6.5

Mole fraction is therefore = 2.1/.6.5 = 0.32

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