brylove5490
18.02.2021 •
Chemistry
Which of the following is most helpful in determining a
molar/molecular mass?
A) a balanced equation
B) periodic table
C) an ion chart
D) an electronegativity table
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Ответ:
D
sorry if im wrong.
Ответ:
2. 2 1 1 1
3. 2 2 2 1
4. 1 2 1 2
5. 2 3 2 3