1. Calculate the pH of the following solutions. a. A solution containing 0.100 M KH2PO4 and...

1. Calculate the pH of the following solutions.

a. A solution containing 0.100 M KH2PO4 and 0.200 M K2HPO4

b. A solution prepared by mixing 100.0 mL 0.100 M H3PO4 with 50.0 mL 0.150 M K3PO4

c. A solution prepared by mixing 100.0 mL of 0.100 M H3PO4 and 80.0 mL of 0.200 M KOH.

Expert Solution

queen_honey_blossom answered 1 year ago

Calculate the pH of a buffer that is 0.10 M in KH2PO4 and 0.050 M in...

Calculate the pH of a buffer that is 0.10 M in KH2PO4 and 0.050 M in Na2HPO4. What is the pH after adding 5.0 mL of 0.20 M HCl to 0.10 L of this buffer. The Ka value for H2PO4– is 6.32 × 10–8 or a pKa of 7.199

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2.Calculate the pH of a solution made by mixing 50.00 mL of 0.100 M KCN with...

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Calculate the theoretical pH of the resulting solution when 0.25 mL of 0.100 M NaOH is added to 2.00 mL of an acetic acid/sodium acetate buffer (Ch3COOH/CH3CooNa - 1 ml of 0.1 M acetic acid and 1 ml of 0.10 M sodium acetate). Enter your answer in the box and show your work below. (pKa of CH3COOH = 4.74)

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