Solved

A Buffer Solution Is Prepared by Dissolving 0

Question 109

Multiple Choice

A buffer solution is prepared by dissolving 0.200 mol of NaH2PO4 and 0.100 mol of NaOH in enough water to make 1.00 L of solution.What is the pH of the H2PO4-/HPO42- buffer if the Ka2 = 6.2 × 10-8?


A) 6.91
B) 7.21
C) 7.51
D) 7.71

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q8: The following pictures represent solutions that contain

Q104: What volume of 5.00 × 10<sup>-3</sup> M

Q105: Which is the best acid to use

Q106: What is the pH of a solution

Q107: What is the molar solubility of CaF<sub>2</sub>

Q108: The following plot shows a titration curve

Q111: Which of the following reactions are not

Q112: The following pictures represent solutions at various

Q113: Calculate the K<sub>sp</sub> for silver sulfite if

Q114: The addition of _ mL of 0.3000