Multiple Choice
What will be the effect of adding 0.5 mL of 0.1 M HCl to 100 mL of a phosphate buffer in which [H2PO4¯] = [HPO42¯] = 0.35 M?
A) The pH will increase slightly.
B) The pH will increase significantly.
C) The pH will decrease slightly.
D) The pH will decrease significantly.
E) Since it is a buffer solution, the pH will not be affected.
Correct Answer:

Verified
Correct Answer:
Verified
Q16: Assuming that the total volume does not
Q17: The solubility of magnesium phosphate is 2.27
Q19: A phosphate buffer (H<sub>2</sub>PO<sub>4</sub>¯/HPO<sub>4</sub><sup>2</sup>¯) has a pH
Q22: Which one of the following is the
Q23: A lab technician adds 0.20 mol of
Q24: What is the maximum amount of sodium
Q25: A 20.0-mL sample of 0.30 M HClO
Q26: Calculate the solubility of silver oxalate, Ag<sub>2</sub>C<sub>2</sub>O<sub>4</sub>,
Q64: When 20.0 mL of 0.15 M hydrochloric
Q73: Equal volumes of the following pairs of