Question

Karl puts a piece of ice in a small plastic bottle without a cap, and finds that the mass of bottle and ice is 18.1 g. Several hours later he finds that the mass of the bottle and water is 17.8 g. From these measurements, which of the following most likely happened?
A
The density of the ice decreased as it melted.

B
Some water evaporated from the bottle.

C
Water condensed on the bottle from the air.

D
Mass was not conserved when the ice melted.

Answer 1

Is a because the density of the ice

Answer 2

Is A “the density of the ice decreased as it melted”