Suppose that you are required to calculate the number of Ar atoms (N') in a certain mass m of Ar. [wher? N=Avogadro's number, m=mass and M= molar mass] Choose the correct operation for calculating the number of Ar atoms (N'): a. b. Given that m = 21.34 g, the correct operation after substituting the correct values looks like: C. N' = The number of Ar atoms is: Unit <

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Suppose that you are required to calculate the
number of Ar atoms (N') in a certain mass m of Ar.
[wher? N=Avogadro's number, m=mass and M=
molar mass]
Choose the correct operation for
calculating the number of Ar atoms (N'):
a.
Given that m = 21.34 g, the correct
operation after substituting the correct values looks
like:
b.
C.
N': =
The number of Ar atoms is:
Unit
Transcribed Image Text:Suppose that you are required to calculate the number of Ar atoms (N') in a certain mass m of Ar. [wher? N=Avogadro's number, m=mass and M= molar mass] Choose the correct operation for calculating the number of Ar atoms (N'): a. Given that m = 21.34 g, the correct operation after substituting the correct values looks like: b. C. N': = The number of Ar atoms is: Unit
m+N
(m÷M)xN
(mxM)÷N
m÷M
(NXM)÷m
m÷N
Transcribed Image Text:m+N (m÷M)xN (mxM)÷N m÷M (NXM)÷m m÷N
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