Question

The mole fraction of a given sample of I2 in C6H6 is 0.2 . The molality of I2 in C6H6 is

Answer 1

Explanation:

lets say there is 1 kg of C6H6

x/x+(1000/78) = 0.2

from here u will get the value of x

so, molality = x/1kg

here, x = no. of moles of solute that is I2