Question

activity: solutions
a. for each of the following mixtures, identify the solute and the solvent.

1. 10 g of sugar dissolved in 200 ml of tea
2. 30 ml of oxygen mixed with 70 ml of nitrogen (air)
3. brass, an alloy made of 30% zinc and 70% copper

Explanation:

1. In a sugar - tea mixture, sugar is the solute as it is dissolved, and tea is the solvent.
2. In air (oxygen - nitrogen mixture), the minor component oxygen is the solute and the major component nitrogen is the solvent.
3. In brass (zinc - copper alloy), zinc is the solute as it is the minor component and copper is the solvent as it is the major component.

Answer:

1. Solute: Sugar, Solvent: Tea
2. Solute: Oxygen, Solvent: Nitrogen
3. Solute: Zinc, Solvent: Copper