Textbook ExpertVerified Tutor
1 Nov 2021
Given information
is the atomic mass of 
in 
sample of cobalt.
Step-by-step explanation
Step 1.
Number of moles 
Number of moles of cobalt 
The total number of moles
Number of moles of 
Number of moles of 
Number of moles of 
Number of moles of
The number of moles of is calculated as
The total mass of the sample
Substituting the values we get
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