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For the reaction 3 A + 2 B --> 4 C. If the rate of production...

For the reaction 3 A + 2 B --> 4 C. If the rate of production of C is 8.0 M/s, what is the rate of the reaction

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Answer #1

3A + 2B ----> 4C

rate of production of C is 8.0 M/s

3A + 2B ----> 4 x 8

3A + 2B -----> 24   ----> eqn 1

when A= 0 eqn 1 becomes

2B=24

B = 12 M/s

Now substitute B=12 in eqn 1

3 A + 2(12) = 24

A = 0 M/s

Rate of reaction = changes in concentration,volume or mass / time taken

Therefore it depends on what units you're using.

Quick example,

a ) x mol dm^-3 / y min = x/y mol dm^-3 min^-1
b ) x cm^3 / y s = x/y cm^3 s^-1

And just telling this one,

If rate of reaction = changes in concentration,volume or mass / time taken
Then Rate of reaction x time taken = changes in concentration,volume or mass
Or Time taken = changes in concentration,volume or mass / rate of reaction

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