cbse class 11 jee mains question mop
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
ANSWER = 0.2
no. of moles of ethanol = 0.75 mol
no. of moles of water =given mass / molar mass
= 54 / 18
= 3 mol
Mole fraction of ethanol = 0.75 / (0.75 + 3)
= 0.19 ≈ 0.2