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What is the pH of a solution at 25 degrees celcius that is 0.010 M in HCl and 0.025 M in HNO3

What is the pH of a solution at 25 degrees celcius that is 0.010 M in HCl and 0.025 M in HNO3

Grade:11

1 Answers

Bhavya
askIITians Faculty 1281 Points
8 years ago
pH of a solution that has both acids (HCl and HNO3) is
HCl ---> H+ + Cl-
0.01 M 0.01M

HNO3 ---> H+ + NO3-
0.025M 0.025M

totat [H+] =0.01 +0.025 =0.035
pH = -log[H+]
= -log[3.5 *10-2]
= 1.456

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