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Molar masses of common compounds: water, NaCl, NaOH, H2SO4 and more

Table of molar masses of common chemistry compounds (g/mol), computed with the IUPAC standard atomic masses.

FormulaCompoundM (g/mol)
H2OWater18.015
H2O2Hydrogen peroxide34.014
O2Oxygen31.998
N2Nitrogen28.014
H2Hydrogen2.016
CO2Carbon dioxide44.009
COCarbon monoxide28.01
NH3Ammonia17.031
CH4Methane16.043
C3H8Propane44.097
C2H5OHEthanol46.069
CH3OHMethanol32.042
CH3COOHAcetic acid60.052
C6H12O6Glucose180.156
C12H22O11Sucrose342.297
HClHydrochloric acid36.458
H2SO4Sulfuric acid98.072
HNO3Nitric acid63.012
H3PO4Phosphoric acid97.994
NaOHSodium hydroxide39.997
KOHPotassium hydroxide56.105
Ca(OH)2Calcium hydroxide74.092
NaClSodium chloride58.44
KClPotassium chloride74.548
NaHCO3Sodium bicarbonate84.006
Na2CO3Sodium carbonate105.988
CaCO3Calcium carbonate100.086
CaOCalcium oxide56.077
KMnO4Potassium permanganate158.032
K2Cr2O7Potassium dichromate294.182
AgNO3Silver nitrate169.872
CuSO4·5H2OCopper(II) sulfate pentahydrate249.677
BaSO4Barium sulfate233.383
Fe2O3Iron(III) oxide159.687
Al2O3Aluminum oxide101.96
SiO2Silicon dioxide60.083

Computed with the IUPAC standard atomic masses of the page's periodic table (the «Molar mass» tool computes any formula).

Source: Simuveliq periodic table (Wikidata CC0 and the references cited in each card).

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