For an alloy that consists of 95.6 g copper, 101 g zinc, and 7.43 g lead,…

For an alloy that consists of 95.6 g copper, 101 g zinc, and
7.43 g lead, what are the concentrations (a) of Cu (in at%), (b) of
Zn (in at%), and (c) of Pb (in at%)? The atomic weights for Cu, Zn,
and Pb are 63.55, 65.39, and 207.2 g/mol, respectively.

(a)
Enter your answer for part (a) in accordance to the question
statement
at%

(b)
Enter your answer for part (b) in accordance to the question
statement
at%

(c)
Enter your answer for part (c) in accordance to the question
statement
at%