Question

A solution in a dish contains 4.0 grams of salt dissolved in 100 grams of water. If 50 grams of the water evaporates, this is evidence that the solution is

a. conserving mass


b.an element


c.a compound


d.a mixture

Answer 1

D. A mixture

If the water is evaporating while the salt remains, it means the two are not chemically bonded and therefore are not a compound.