Please provide calculations to make:

1. 5 mL of 1 mol/L benzene solution in hexane

2. 100 mL of 2.00 x 10^-3 mol/L benzene in methanol

3. 100 mL of 2.00 x 10^-3 mol/L toluene in hexane

4. 100 mL of 2.00 x 10^-3 mol/L phenol in hexane