Question

The mole fraction of naphthalene in
n-heptane (mol. mass 100 g mol^-1) is
0.2. The molality of the solution is
(a) 0.2 m
(b) 0.8 m
(C) 2.5 m
(d) 4 m

plz answer with steps for solving ​

Answer 1

Explanation:

answer of the question is b) 0.8