Why is the average atomic mass used when calculating grams of a
substance?
A. The exact weigh...
Chemistry, 02.07.2021 01:00 kathleenirwin
Why is the average atomic mass used when calculating grams of a
substance?
A. The exact weights of the isotopes are not known.
B. The elements in the substance are mixtures of their isotopes.
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C. The average atomic mass is known to more significant figures.
D. The number of isotopes in the sample is constantly changing.
Answers: 3
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