A solution consisting of a strong acid with a concentration of 1721millimoles has a volume of 5200mL. What is the pH of the solution?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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A solution consisting of a strong acid with a concentration of 1721millimoles has a volume of 5200mL. What is the pH of the solution?

 

Expert Solution
Step 1

Given data :

Number of moles = 1721 millimoles = 1.721 moles

Volume = 5200 mL = 5.2 L

Now using the formula for number of moles in terms of concentration and Volume :

Number of moles(n)=Concentration(c)×Volume of solution( V in litres)So,Concentration(c)=nV=1.7215.2=0.331 M

In case of dilution process,

The concentration of H2O cannot be neglected in this case.

Concentration of H+ ions in H2O = 10-7 M

So, Total [H+] = 0.331+10-7 M

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