Question

Express the mass of a molecule of water in Atomic mass unit.​

Answer 1

Answer:

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

Explanation:

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Answer 2

Answer:

the average mass of one molecule of water is about 18.0153 daltons, and one mole of water is about 18.0153 grams. A protein whose molecule has an average mass of 64 kDa would have a molar mass of 64 kg/mol.

Symbol: Da or u

Kg: 1.66053906660(50)×10−27

Unit system: Physical constant; (Accepted for use with the SI)!!!!!!!! okay....