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Imagine that you are in chemistry lab and need to make 1.00 L of a solution...

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Chemistry

Imagine that you are in chemistry lab and need to make 1.00 L ofa solution with a pH of 2.60.

You have in front of you

100 mL of 7.00×10−2M HCl,

100 mL of 5.00×10−2M NaOH, and

plenty of distilled water.

You start to add HCl to a beaker of water when someone asks youa question. When you return to your dilution, you accidentally grabthe wrong cylinder and add some NaOH. Once you realize your error,you assess the situation. You have 84.0 mL of HCl and 87.0 mL ofNaOH left in their original containers.

Assuming the final solution will be diluted to 1.00 L , how muchmore HCl should you add to achieve the desired pH?

Answer & Explanation Solved by verified expert
4.5 Ratings (941 Votes)
Firstly we determine HCl is in the solution 100mLAmount started with 84mLamount left 16mL of HCl Similarly amount of NaOH in the solution would be 100mLamount started with 87mLamount left 13mL of NaOH Converting    See Answer
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