Asked by: Dalmacio Sanmarco
science chemistry

What is the molar mass of water in grams?

Last Updated: 4th February, 2020

The average mass of one H2O molecule is 18.02amu. The number of atoms is an exact number, the number of mole isan exact number; they do not affect the number of significantfigures. The average mass of one mole of H2O is 18.02grams. This is stated: the molar mass of water is18.02 g/mol.

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Hereof, what is the molar mass of water equal to?

The mass of one mole of a substance is equalto that substance's molecular weight. For example, themean molecular weight of water is 18.015 atomic massunits (amu), so one mole of water weight 18.015grams.

how many moles are in a gram? You can convert moles to the number of particlesof a substance. For example, we found that 18 grams of wateris equal to 1 mole.

In respect to this, how many moles are in 1g of water?

The SI base unit for amount of substance is themole. 1 mole is equal to 1 moles Water, or18.01528 grams.

What is the unit of molar mass?

However, for historical reasons, molar masses arealmost always expressed in g/mol. The mole was defined in such asway that the molar mass of a compound, in g/mol, isnumerically equal (for all practical purposes) to the averagemass of one molecule, in atomic mass units(daltons).

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