Question

A solution contains 5g each of water and sodium chloride. what will be the mole fraction of sodium chloride in it.​

Answer 1

hope thish ans is help you.......

Answer 2

Given:

A solution contains 5g each of water and sodium chloride.

To Find :

The solutions are mole fraction of sodium chloride.

Explanation:

$Weight of NaCl=5gm$

$Number of Moles of NaCl=\frac{Weight}{Mole} *Weight\\=\frac{5}{58.5} \\=0.08547$

$Weight of Water=100gm$

$Number of Water=\frac{Weight}{Mole}*Weight\\=\frac{100}{18} \\=5.5555$

$=\frac{Number of Moles of Nacl}{Number of Moles NaCl+H_{2}O }$

$=\frac{0.08547}{0.08547+5.5555}$

$=\frac{0.08547}{5.64097}$

$=0.01515g$

Therefore, The mole fraction of sodium chloride in 0.01515g.