Answers

2015-10-10T09:25:23+05:30
Average atomic mass=(∑ %abundance*isotopic mass)/100
(16*90)+(18*10)/100
(1440+180)/100
1620/100
16.2
(b)16.2
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  • Brainly User
2015-10-10T12:21:22+05:30
(c)16.4----------------------------------
0