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Q.no. :48,plz solve it step by step wih calculations,thanks
Asked by vishakhachandan026 | 28 Jun, 2019, 05:40: PM
Expert Answer
Given:
C =70.6%, H=4.2%, N=11.8%, O=13.4%.
Consider, 100 gm of kevlar will have,
C =70.6 gm,
H=4.2 gm,
N=11.8 gm,
O=13.4 gm.
Lets find out the moles of each element, as we know the molar masses,
C=12, H=1, N=14, O=16
Lets divide each with smallest moles i.e., 0.84 mol we get,
Hence the emperical formula will be C7H5NO
Answered by Ramandeep | 28 Jun, 2019, 06:27: PM
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