What weight of solute (M,wt =60) is required to be dissolved in 180gm of water to reduce vapour pressure to 4/5th of pure water?

Answer 1

Does it make a difference what the vapor pressure is? Here is what you use.
P_soln = X_soln*P^{o/sup>_solvent}

Answer 2

Arre easy hai re.equate hi to karna hai 😂

Answer 3

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