Mole fraction of ethanol in aq. solution is 0.4,molality of solution i

1.	Mole fraction of ethanol in aq. solution is 0.4,molality of solution is
Answer» Answer: 37.03 m Explanation: Mole FRACTION of ethanol in aq. solution= 0.4 (given) n₁= moles of ethanol n₂= moles of water 0.4= n₁/n₁+n₂ 4/10= n₁/n₁+n₂ n₁=4 and n₂= 10-4= 6 Molality (m)= moles of solute/1 kg of solvent Solvent= 6 moles*18 gm/mol = 108 GMS = 0.108 kg m= 4/.108 = 37.03 m

Mole fraction of ethanol in aq. solution is 0.4,molality of solution is

Answer»

Answer:

37.03 m

Explanation:

Mole FRACTION of ethanol in aq. solution= 0.4 (given)

n₁= moles of ethanol

n₂= moles of water

0.4= n₁/n₁+n₂

4/10= n₁/n₁+n₂

n₁=4 and n₂= 10-4= 6

Molality (m)= moles of solute/1 kg of solvent

Solvent= 6 moles*18 gm/mol

= 108 GMS

= 0.108 kg

m= 4/.108

= 37.03 m