Question #5a076
1 Answer
Jun 6, 2017
37,1 mol
Explanation:
cryoscopy says: the decrease of melting point is proportional to the molality (Tf-Tf°) = kf m.
that means 0,683 mol of I2 in 1000 g of benzene.
You have 2,10 mol of I2, so you must have
Since 1 mol of benzene weighs 78 g you need