How many grams of Al are in 4.70 moles?

1 Answer
anor277
Jan 7, 2016

1 mole of aluminum atoms has a mass of #26.98# #g#. You have #4.70# moles.

Explanation:

1 mole of atoms represents Avogadro's number, i.e. #6.022xx10^23#. This is simply a number like 10 or 12, or 20 or 100. If there are are #6.022xx10^23# aluminum atoms there is a MASS of #26.98# #g#. So if you have 4.70 moles, there is a mass of approx. #127# #g# of aluminum.

How many aluminum atoms are there in a 127 g mass of the metal?

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