To determine the formula mass of a compound you should
A. add up the atomic masses of all the atoms present.
B. add up the atomic masses of all the atoms present and divide by the number of atoms present.
C. add up the atomic numbers of all the atoms present.
D. add up the atomic numbers of all the atoms present and divide by the number of atoms present.
A. add up the atomic masses of all the atoms present.
B. add up the atomic masses of all the atoms present and divide by the number of atoms present.
C. add up the atomic numbers of all the atoms present.
D. add up the atomic numbers of all the atoms present and divide by the number of atoms present.
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Answer:
A.
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