Question

Does the mass of water increase or decrease when it changes to ice

Answer 1

No, weight will not(and cannot)change.

Step-by-step explanation:

it's just changes its physical appearance not its weight.

Answer 2

The mass stays the same only volume changes, the volume decreases

Step-by-step explanation:

The ice shrinks (decreases volume) and becomes more dense. The weight will not (and cannot) change.