Question #b7094

1 Answer
Jan 21, 2015

Answer:

You calculate how many atoms are in 1 mole of #"H"_2"O"# by using Avogadro's number.

Explanation:

You'd go about calculating this by using Avogadro's number, which links the number of atoms or molecules of a substance with the number of moles of that substance you have.

According to this relationship, every mole has #6.022 * 10^(23)# atoms (or molecules, depending on the substance).

Since water is a molecule, 1 mole of water will always have #6.022 * 10^(23)# molecules of water.

LIkewise, 1 mole of #"O"_2#, for example, will have #6.022 * 10^(23)# molecules of diatomic oxygen, 1 mole of sulfuric acid will have #6.022 * 10^(23)# #H_2SO_4# molecules, 1 mole of copper will have #6.022 * 10^(23)# atoms of copper, and so on.