- #1
IamMoi
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Homework Statement
A sample of aluminum oxide, Al2O3(s), contains 8.29*10^25 total atoms. Calculate the amount in moles of aluminum oxide in the sample. Hint: This is a two-step problem. Calculate the number of formula units first.
Homework Equations
N=N × N[itex]_{A}[/itex]
The Attempt at a Solution
8.29×10[itex]^{25}[/itex] ( 1 atm/ 6.02 × 10[itex]^{23}[/itex])
=1.38× 10 [itex]^{2}[/itex]
The question mention that it has two steps but I do not know how..
The correct answer is 27.5 mol ...