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: |
||||||
a | N | 14.0 | a | HCl | 36.5 | a | NaCl | 58.5 | |||
b | Si | 28.1 | b | CO2 | 44.0 | b | MgF2 | 62.3 | |||
c | Cu | 63.5 | c | NH3 | 17.0 | c | CaCO3 | 100.1 | |||
d | H2SO4 | 98.1 | d | Al2(CO3)3 | 234.0 | ||||||
e | HNO3 | 63.0 | e | (NH4)2SO4 | 132.1 |