Solved

A Buffer Solution Is Prepared by Dissolving 27

Question 32

Multiple Choice

A buffer solution is prepared by dissolving 27.22 g of KH2PO4 and 3.37 g of KOH in enough water to make 0.100 L of solution.What is the pH of the H2PO4-/HPO42- buffer if the Ka2 = 6.2 × 10-8?


A) 6.84
B) 7.00
C) 7.21
D) 7.84

Correct Answer:

verifed

Verified

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

Related Questions

Q27: Which of the following mixtures would result

Q28: Which of these neutralization reactions has a

Q29: Sodium hypochlorite,NaOCl,is the active ingredient in household

Q30: Which of these neutralization reactions has a

Q31: The following pictures represent solutions of CaCO<sub>3</sub>,which

Q33: Which metal ions can be precipitated out

Q34: What is the pH of a solution

Q35: The following pictures represent solutions at various

Q36: The balanced equation for the solubility equilibrium

Q37: What is the percent dissociation of glycine