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Determine the empirical fromula of kelva...

Determine the empirical fromula of kelvar, used in making bullet proof vests, is `70.6% C,4.2% H,11.8%N and 13.4%O`:

A

`C_7H_5NO_2`

B

`C_7H_5N_2O `

C

`C_7H_9NO`

D

`C_7H_5NO`

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NARENDRA AWASTHI-STOICHIOMETRY-Level 3 - Subjective Problems
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