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