The incorrect option for mole fraction(x) is:

1.  x < 1
2.  – 2 ≤ x ≤ 2
3.  0 ≤ x ≤ 1
4.  Always non-negative

Find the molarity of liquid HCl if the density of liquid HCl is 1.17 g/cc.

1 M, 2.5 litre NaOH solution is mixed with another 0.5 M and 3 litre NaOH solution.
The molarity of the resultant solution is:

The mole fraction of the solute in one molal aqueous solution is:

1. 0.027

2. 0.036

3. 0.018

4. 0.009