Relative masses |
1 |
What is the relative atomic masses, Ar of the following: |
2 |
What is the relative molecular masses, Mr of the following: |
3 |
What is the relative formula masses, Mr of the following: |
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a | N | a | HCl | a | NaCl | ||||||
b | Si | b | CO2 | b | MgF2 | ||||||
c | Cu | c | NH3 | c | CaCO3 | ||||||
d | H2SO4 | d | Al2(CO3)3 | ||||||||
e | HNO3 | e | (NH4)2SO4 |