A student wants to find out what happens to salt that is mixed with hot water. She observes and weighs a cup of hot water. She then adds 15 grams of salt to the water. Finally, she repeats the observation and measurement.

Question

,begin bold,Substance,end bold, ,begin bold,Weight ,end bold,(grams) ,begin bold,Color,end bold,
Cup of hot water 250 Clear
Salt 15 White
Cup of hot water after salt is added 265 Clear

Question
Which conclusion is ,begin emphasis,best,end emphasis, supported by the data?

Answer options with 4 options
A.
The color of the water after the salt is added is evidence that the salt evaporated.

B.
The color of the water after the salt is added is evidence that the salt disappeared.

C.
The weight of the cup of water after the salt is added is evidence that the salt melted.

D.
The weight of the cup of water after the salt is added is evidence that the salt is dissolved in the water.

Answer 1

D. The weight of the cup of water after the salt is added is evidence that the salt is dissolved in the water.