Answers

2015-05-26T16:08:54+05:30
HNO3
1X1+1X14+3X16
1+14+48
 53 amu
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2015-05-26T16:21:04+05:30
H=1 N=14 O=16 1x1+14x1+16x3 1+14+48 = 53 atomic mass unit
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