How many water molecules in a #4.5*mol# quantity of water?

1 Answer
anor277
Jan 27, 2017

#4.5xxN_A#, where............

Explanation:

#4.5xxN_A#, where #N_A="Avogadro's Number"=6.022xx10^23*mol^-1#.

#"The mole"# is simply a number, like a dozen, or a score, or a gross. The mole has a special property. #1*mol# of #""^1H# atoms has a mass of #1*g#.

What is the mass of this quantity of water molecules?

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