Ascientist compares two samples of white powder. one powder was present at the beginning of an experiment. the other powder was present at the end. she wants to determine whether a chemical reaction has occurred. she finds that neither sample bubbles or dissolves in water. she measures the mass and volume of the solids. sample one has a volume of 45 cm3 and a mass of 0.5
g. sample two has a volume of 65 cm3 and a mass of 1.3
g. what should the scientist conclude?
Answers: 3
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