The half life for the first order decomposition of nitromethane, CH3NO – McqOptions

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1.	The half life for the first order decomposition of nitromethane, CH3NO2, at 500K is 650 seconds. If the initial concentration of CH3NO2 is 0.500M, what will its concentration be (M) after 1300 seconds have elapsed?
A.	0.14
B.	0.125
C.	0.25
D.	0.425
Answer» C. 0.25

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