Which of the following options incorrectly describes the possible range of values for the mole fraction (x) of a component in a mixture?

1. x < 1
2. – 2 ≤ x ≤ 2
3. 0 ≤ x ≤ 1
4. x is 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 will be:

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

1. 0.027

2. 0.036

3. 0.018

4. 0.009