How many molecules of water (H2O) are there in 3.50 moles of water (H2O)?

1 Answer
anor277
Feb 12, 2018

Well, how many molecules of water are there in an #18*g# mass of water, i.e. a molar quantity....

Explanation:

There are #6.022xx10^23*"water molecules"#...

And so we take the product....

#3.50*molxx6.022xx10^23*mol^-1~=21xx10^23# individual water molecules. What is the mass of this quantity of water molecules....

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