Question

5.
A student places 20 grams of water in a container and then places the container in a
freezer. After 30 minutes, the water freezes into ice. What is the mass of the ice?

Answer 1

Explanation:

In a physical change, the mass remains constant.

Hence the mass of the ice is the same as the water, which is 20g.

Answer 2

20 grams :/ EEEEEEEEEEEEEEEEEEE