Published by:
CGP EDU Academic Team
Published on: August 21, 2026
The average atomic mass of a mixture containing 79 mole 
of 
and remaining 
of 
and 
, is 24.31. % mole of 
is
Text Solution
Verified by ExpertsThe correct answer is:
C
Let 
be the mole % of 
in the mixture.
Then mole 
of 
is 
.
The average atomic mass is given by:
Simplify the constants and the coefficients of 
:
Rearranging gives: 
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