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.
ΠΠ
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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