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Explain Ethyl chloride (CH3CH2Cl) decomposes when heated to give ethylene (C2H4) as well as HCl. The reaction is first order.
The preliminary concentration of ethyl chloride was 0.001 M. Subsequent to heating at 500 C for 155 seconds this was reduced to .00067 M.
Explain what was the concentration of ethyl chloride after 256 seconds?

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