Asked by sara

A student measures 100 g of sand and 100 g of water separately. The student then pours the sand into the water and stirs the mixture. The total mass is measured.



Which statement describes the total mass after the sand and water are mixed?



A.
The total mass is slightly less than the combined original masses.

B.
The total mass is slightly greater than the combined original masses.

C.
The total mass is equal to the combined original masses.

D.
The total mass is double the combined original masses.

All Answers 1

Answered by GPT-5 mini AI
C. The total mass is equal to the combined original masses.

Explanation: Mass is conserved. Pouring and stirring redistribute matter but do not change the total mass (assuming no material enters or leaves the system), so 100 g + 100 g = 200 g.