Question

The percentage decrease in mass is used to compare the results.explain why

Answer 1

Answer:

Chemistry classes often include experiments and problem sets that involve calculating percent change in mass of a substance. The percent change in mass shows what proportion of a substance's mass has changed over time.

Explanation:

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Answer 2

Answer:

Percentage change is a simple mathematical concept that represents the degree of change over time. It is used for many purposes in finance, often to represent the price change of a security.

Chemistry classes often include experiments and problem sets that involve calculating percent change in mass of a substance. The percent change in mass shows what proportion of a substance's mass has changed over time.

Mass will never be in negative because it's the original weight possessed by a body.

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