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3 years ago

if kept at a constant temperature, what is the concentration at 865s if the initial concentration was 0.0225M

Chemistry

1 answer:

Anestetic [448]3 years ago

8 0

Answer:

$[SO_2Cl_2]=0.0175M$

Explanation:

Hello!

In this case, considering that the decomposition reaction of SO2Cl2 is first-order, we can write the rate law shown below:

$r=-k[SO_2Cl_2]$

We also consider that the integrated rate law has been already reported as:

$[SO_2Cl_2]=[SO_2Cl_2]_0exp(-kt)$

Thus, by plugging in the initial concentration, rate constant and elapsed time we obtain:

$[SO_2Cl_2]=0.0225Mexp(-2.90x10^{-4}s^{-1}*865s)$

$[SO_2Cl_2]=0.0175M$

Best regards!

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