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Rate of Reaction

For the react...

Question

For the reaction $A \to B$ , it was found that the concentration of $B$ increased by $0.3$ $m o l L^{- 1}$ in $2 h o u r s$ . What is the average rate of reaction?

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Solution

Average rate $= \frac{c h a n g e i n c o n c e n t r a t i o n o f B}{t i m e t a k e n} = \frac{0.3}{2} = 0.15$ $m o l$ $L^{- 1}$ ${h r}^{- 1}$

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