Author Question: The Ka of acetic acid is 1.76 10-5. The pH of a buffer prepared by combining 15.0 mL of 1.00 M ... (Read 74 times)

JMatthes · **on:** Aug 27, 2018

The Ka of acetic acid is 1.76 10-5. The pH of a buffer prepared by combining 15.0 mL of 1.00 M potassium acetate and 50.0 mL of 1.00 M acetic acid is ________.

A) 1.705
B) 0.851
C) 3.406
D) 4.232
E) 2.383

Question 2

In which orbital does an electron in a nitrogen atom experience the greatest shielding?

A) 3p
B) 3s
C) 2p
D) 2s
E) 1s