Homework Help: Chem Help .plz

Posted by Jvaline on Tuesday, February 3, 2009 at 10:06pm.

pre-lab questin..
part a was to determine the rate law from the given table...
finally i was able to calculate ..rate law which was

k[ClO2]2[OH-]
since i got m =2 n=1 ..overall order was 3 ...

the equation was ..

2ClO2(aq) + 2OH-(aq)---ClO3-(aq) + ClO2-(aq) + H2O(l)

----------------------for the part (b) ... it says..

what would be the initial rate for an experiment with [ClO2]0 = 0.175 mol/L and [OH-]0 = 0.0844 mol/L?

i dont know how to figure out part B any clue .. how to approch for dis problem ..thnks
plz answer ,.and explan in detail .. thnks in advance...

Chem Help .plz - Jake, Wednesday, January 9, 2013 at 5:26pm
First, You would set up the rate law equation.

r=k[OH-]1[CLO2]2

Next, plug in the numbers you have already been given and have figured out

r= 230 L2/M2xs [0.175]2 [.0844]

Then you should get 5.94x10e-1 as your answer

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