Input interpretation
air | relative molecular mass
Result
28.96
Comparisons
≈ ( 0.15 ≈ 1/7 ) × relative molecular mass of caffeine ( ≈ 194 )
≈ 0.5 × relative molecular mass of sodium chloride ( ≈ 58 )
≈ 1.6 × relative molecular mass of water ( ≈ 18 )
Corresponding quantities
Molar mass M from M = M_uM_r: | 29 g/mol (grams per mole)
Molecular mass m from m = M_rM_u/N_A: | 4.8×10^-23 grams | 4.8×10^-26 kg (kilograms)