Molecular Mass Calculator by Christoph Gohlke

Hill notation: 2H2O

Average mass: 20.02760

Monoisotopic mass: 20.02312

Nominal mass: 20

Elemental Composition

Element Number Relative mass Fraction %
2H 2 4.02820 20.1133
O 1 15.99940 79.8867
Total 3 20.02760 100.0000

Mass Distribution

Most abundant mass: 20.02312 (99.757%)

Mean mass: 20.02761

Relative mass Fraction % Intensity
20.02312 99.757000 100.000000
21.02734 0.038000 0.038093
22.02736 0.205000 0.205499