Answers

2016-04-21T19:52:29+05:30
46.0684 g/mol...............
1 5 1
2016-04-21T20:52:08+05:30
C2H5OH = 12*2+1*5+16+1= 24+5+16+1 = 46 formula mass
0
Since atomic mass of carbon is 12 , hydrogen is 1 and oxygen is 16