Input interpretation
potassium cation | molar mass
Result
39.0978 g/mol (grams per mole)
Unit conversion
0.0390978 kg/mol (kilograms per mole)
Comparisons
≈ ( 0.054 ≈ 1/18 ) × molar mass of fullerene ( ≈ 721 g/mol )
≈ ( 0.2 ≈ 1/5 ) × molar mass of caffeine ( ≈ 194 g/mol )
≈ 0.67 × molar mass of sodium chloride ( ≈ 58 g/mol )
Corresponding quantities
Mass of a molecule m from m = M/N_A: | 6.5×10^-23 grams | 6.5×10^-26 kg (kilograms) | 39 u (unified atomic mass units) | 39 Da (daltons)
Relative molecular mass M_r from M_r = M_u/M: | 39