Question

A. Predict the weight of the beaker in step 4 Explain your answer. B. Make a bar graph comparing the weights in steps 1 and 2 and your prediction of the weight in step 4 C. Describe how your prediction answers Kenisha’s question about the weight of her aquarium

Answer 1

The weight of the beaker is 65g.

Comparing the weights:

Finally, the sum of the mass of water and the mass of salt causes the total weight to increase, so the weight of the aquarium changes.