Raoult's law can be expressed as

(a) \(\bar{P}_{i}=y_{i} P_{i}^{\text {sat }}\)

(b) \(\bar{P}_{i}=y_{i}^{\text {sat }} P_{i}\)

(c) \(P_{i}^{\text {sat }}=y_{i} \bar{P}_{i}\)

(d) None of these.