Question 30 The decomposition of acetaldehyde, CH3CHO, was determined to be a second order reaction with a rate constant of 0.0771 M1 s-1, If the initial concentration of acetaldehyde is D.396 M, what will the concentration be after selected reaction times? What will the CH3CHO concentration be after 30.0 minutes? [A]30min - M the tolerance is +/-2% SHOW HINT What will the CH CHO concentration be after 180 minutes? [A]180min - M the tolerance is +/-2%

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**Question 30**

The decomposition of acetaldehyde, CH₃CHO, was determined to be a second-order reaction with a rate constant of 0.0771 M⁻¹ s⁻¹. If the initial concentration of acetaldehyde is 0.396 M, what will the concentration be after selected reaction times?

1. **What will the CH₃CHO concentration be after 30.0 minutes?**

   \[[A]_{30\text{ min}} = \_\_\_\_\_\_ \text{ M}\]

   The tolerance is +/-2%.

   *[Show Hint]*

2. **What will the CH₃CHO concentration be after 180 minutes?**

   \[[A]_{180\text{ min}} = \_\_\_\_\_\_ \text{ M}\]

   The tolerance is +/-2%.
Transcribed Image Text:**Question 30** The decomposition of acetaldehyde, CH₃CHO, was determined to be a second-order reaction with a rate constant of 0.0771 M⁻¹ s⁻¹. If the initial concentration of acetaldehyde is 0.396 M, what will the concentration be after selected reaction times? 1. **What will the CH₃CHO concentration be after 30.0 minutes?** \[[A]_{30\text{ min}} = \_\_\_\_\_\_ \text{ M}\] The tolerance is +/-2%. *[Show Hint]* 2. **What will the CH₃CHO concentration be after 180 minutes?** \[[A]_{180\text{ min}} = \_\_\_\_\_\_ \text{ M}\] The tolerance is +/-2%.
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