The reaction X products is second order in X and has a rate constant of 0.035
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The reaction X → products is second order in X and has a rate constant of 0.035 M-1s-1. If a reaction mixture is initially 0.45 M in X, what is the concentration of X after 155 seconds?
a) 7.6 M
b) 2.0 * 10-3 M
c) 0.13 M
d) 0.00 M
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