Q6 of 252 Page 79

How much water should be added to 15 grams of salt to obtain 15 per cent salt solution?

To get 15% of salt solution you need 15g of salt and will add 85g of water so total
solution count = solute + solvent = 15g + 85g = 100g.

State whether colloidal solutions are homogeneous or heterogeneous.

What is the most common way of expressing the concentration of a solution?

How much water should be mixed with 12 ml of alcohol so as to obtain 12% alcohol solution?

A 5 per cent sugar solution means that:

(a) 5 g of sugar is dissolved in 95 g of water.

(b) 5 g of sugar is dissolved in 100 g of water.

Choose the correct answer.