A beaker of with 115 mL of solution has a temperature of 21 °C. The solution contains 5 g of salt and 115 mL of water. Students added two ice cubes to the solution and stirred the solution with a stirring rod. Which properties of the solution changed as the ice cubes melted?

Properties of the solution which changed

1. The temperature of the solution

2. The concentration of the solution

Explanation:

The properties of the solution that changed are:

1. The temperature of the solution: Once the ice cubes were added, (we will assume that the ice cubes were at 0 degrees Celcius) The system had to attain thermal equilibrium. Hence, the higher temperature of the solution melted the ice, while the ice, cooled the entire mixture.

2. The concentration of the solution reduced.  We need to remember that ice is water. As the ice was added, we were indirectly adding more water to teh solution, thus diluting its concentration

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