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Chemistry 24 Online
OpenStudy (anonymous):

How many atoms of aluminum are present in a sample that has a mass of 155.30 g?

OpenStudy (aravindg):

First find number of moles of aluminium.

OpenStudy (anonymous):

moles = weight (grams)/(atomic weight) then have 6.02 x 10^23 atoms per mole

OpenStudy (anonymous):

thank you

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