Chemistry, 07.06.2021 21:00, myla18jabbar

Why is the average atomic mass used when calculating grams of a substance?
A. The number of isotopes in the sample is constantly changing.
B. The elements in the substance are mixtures of their isotopes.
C. The average atomic mass is known to more significant figures.
D. The exact weights of the isotopes are not known.

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Why is the average atomic mass used when calculating grams of a substance?
A. The number of i...

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