Question

6 G of Urea is dissolved in 90 grams of water the mole fraction of solute is ​

Answer 1

Answer:

mole fraction of urea=mole of urea/mole of urea+mole of water. ,,,, mole =weight/molar mass (for urea weight is 6 gm and molar mass of urea is 60 ) then mole =6/60 ,, mole of urea is 0.1 ,,.. weight of water is 90 gm and molar mass is 18 so mole is 90/18 then mole of water is 5 then using mole fraction formula ,, mole fraction of urea=0.1/0.1+5 ,, 0.1/5.1 ,,, 1/51 ans