How many moles of water, H2O, contain 2.0_1022 molecules of water?

Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles. We calculate as follows:

2.0x10^22 molecules H2O (1 mol / 6.022 x 10^23 molecules) = 0.0332 moles H2O

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