The rate law for the decomposition of phosphine (PH 3) is
It takes 120. s for 1.00 M PH 3 to decrease to 0.250 M. How much time is required for 2.00 M PH 3 to decrease to a concentration of 0.350 M?
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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.