Question

Suppose that a 120.0 solution contains 100.0 g of water and 20.0 g of dissolved sugar. What is the approximate concentration of sugar in the solution, by mass?

Answer 1

Approx. `17%` `m/m`.......

Explanation:

Clearly, percentage composition by mass is:

`"Mass of sugar"/"Mass of sugar + mass of water"xx100%`

`=(20*g)/((100+20)*g)xx100%=??%`