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AfilCa [17]
3 years ago
10

The element chlorine has two naturally occurring isotopes. About 75% of chlorine isotopes are Cl35 and about 25% are Cl37. What

is the average atomic mass of chlorine atoms?
A. 35.45 amu
B. 36.45 amu
C. 37.45 amu
D. 38.45 amu
Physics
1 answer:
Svetradugi [14.3K]3 years ago
6 0
(75% of  35)  + (25% of 37)

0.75*35  + 0.25*37 = 35.5

35.50 amu  
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