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Rate of Reaction

The concentra...

Question

The concentration of a reactant $^{'} A^{'}$ is changed from $0.044 M$ to $0.032 M$ in $25$ minutes, the average rate of the reaction during this interval is:

0.0048 m o l / l i t / m i n

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0.00048 m o l / l i t / s e c

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4.8 \times 10^{- 4} m o l / l i t / m i n

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0.0048 m o l / l i t / s e c

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Solution

The correct option is C $4.8 \times 10^{- 4} m o l / l i t / m i n$
the average rate of the reaction $= \frac{-(change in concentration of reactant)}{time taken}$
$= \frac{- (.032 - .044)}{25}$
$= \frac{.012}{25}$
$= 4.8 \times 10^{- 4} mol/lit/min$

Suggest Corrections

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