Input interpretation
selenium allotropes | molar mass
Results
black selenium | 78.971 g/mol (grams per mole) gray selenium | 78.971 g/mol (grams per mole) red selenium | 631.77 g/mol (grams per mole)
selenium allotropes | molar mass | 78.971 g/mol (grams per mole) (median)
Ranked values
| | visual | ratios | 3 | black selenium | | 0.125 | 1 2 | gray selenium | | 0.125 | 1 1 | red selenium | | 1 | 8
Unit conversion for median molar mass 78.971 g/mol
0.078971 kg/mol (kilograms per mole)
Comparisons for median molar mass 78.971 g/mol
≈ ( 0.11 ≈ 1/9 ) × molar mass of fullerene ( ≈ 721 g/mol )
≈ 0.41 × molar mass of caffeine ( ≈ 194 g/mol )
≈ 1.4 × molar mass of sodium chloride ( ≈ 58 g/mol )
Corresponding quantities
Mass of a molecule m from m = M/N_A: | 1.3×10^-22 grams | 1.3×10^-25 kg (kilograms) | 79 u (unified atomic mass units) | 79 Da (daltons)
Relative molecular mass M_r from M_r = M_u/M: | 79