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Posted by on Friday, April 30, 2010 at 11:28pm.

A zero-order reaction has a constant rate of 3.20×10^−4 M/s. If after 35.0 seconds the concentration has dropped to 9.00×10^2M , what was the initial concentration?

  • Chemistry - , Saturday, May 1, 2010 at 12:19pm

    [A] = [A]o - kt
    solve for [A]o. You have k, t, and [A].

  • Chemistry - , Sunday, July 8, 2012 at 11:29pm

    9.00 x 10^-2= (-3.20 x 10^-4)(35)+A
    9.00 x 10^-2= (-.0112)+A
    9.00 x 10^-2+.0112=A
    A= .1012

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