Question

Ms. Bristol measured the mass of a closed beaker containing several ice cubes. The mass was 100 g. An hour later, after the ice cubes had melted, Ms. Bristol measured the mass of the beaker again. What was the mass of the beaker the second time?

Answer 1

The beaker was closed, there is no mention of spilling or evaporation. So the mass of water and beaker is still 100 g.

Answer 2

The correct answer is B.100 g. Hope this helps :)