Published by:
CGP EDU Academic Team
Published on: August 14, 2026
An alloy of metals 
and 
weighs 
and contains atoms 
and 
in the ratio of 
. The percentage of metal 
in the alloy is 20 by mass. If the atomic mass of 
is 
what is the atomic mass of metal 
?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Mass of sample of alloy 
of metal 
in sample 
If 
is the mass of metal 
in sample
If 
is the mass of metal 
in sample, then
Number of atoms of 
Atoms of 
and atom of 
Hence, atomic mass of 
.
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