# Problem: 20 mL of 0.25 M of NH 3 is titrated with 0.40 M HCl. Calculate the pH of the solution after 20 mL HCl is added. Kb (NH3) = 1.8 × 10 −5.a. 12.50b. 7.00c. 4.74d. 1.12

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###### Problem Details

20 mL of 0.25 M of NH 3 is titrated with 0.40 M HCl. Calculate the pH of the solution after 20 mL HCl is added. Kb (NH3) = 1.8 × 10 −5.

a. 12.50

b. 7.00

c. 4.74

d. 1.12

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Weak Base Strong Acid Titrations concept. You can view video lessons to learn Weak Base Strong Acid Titrations. Or if you need more Weak Base Strong Acid Titrations practice, you can also practice Weak Base Strong Acid Titrations practice problems.

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Our tutors rated the difficulty of20 mL of 0.25 M of NH 3 is titrated with 0.40 M HCl. Calcula...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Shankar's class at RUTGERS.