Question

Tolong dibantu dgn caranya ya, terimakasih :)

Answer 1

Massa zat x = 3 gram
Mr urea = 60
V larutan = 500 mL
T = 27°C = 300 K
R = 0,082 L atm mol^-1 K^-1
π = M • R • T
= massa/Mr x 1000/v x R x T
= 3/60 x 1000/500 x 0,082 x 300
= 2,46 atm
Jadi, jawaban A. 2,46