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I need help constructing a 95% prediction interval for this question. Please explain.

 
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rate of enzyme-catalyzed

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 How is the rate of enzyme-catalyzed conversion affected by the acidity (pH) of the solution? Explain!

 
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rate of enzyme-catalyzed

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How is the rate of enzyme-catalyzed conversion affected by temperature? Explain!

 
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Calculate the pH for each of the following cases

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Calculate the pH for each of the following cases in tthe titration of 50.0 mL of 0.200 M HClO (aq) with 0.200 M

KOH (aq). The ionization constant for HClO is 4.0*10^-8.

I tried to do the question but I have gotten stuck on part D and hence am unable to do E. Here are my answers so far.

(a) before addition of any KOH. 

My answer: 4.05

(b) after addition of 25.0 mL of KOH. 

My answer: 7.4

(c) after addition of 35.0 mL of KOH.

My answer: 6.87

(d) after addition of 50.0 mL of KOH.

I don’t know

(e) after addition of 60.0 mL of KOH.

I don’t know.

Also, my other answers could be wrong as well but I have spent so much time on the problem and now I couldn’t even tell you how to answer 2+2. I have hit a wall and any help would be greatly appreciated.

 
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