Multiple Choice
Calculate the pH of a buffer that is 0.020 M HF and 0.040 M NaF.The Ka for HF is 3.5 × 10-4.
A) 2.06
B) 4.86
C) 3.16
D) 3.36
E) 3.76
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q53: Calculate the percent ionization of nitrous acid
Q74: What is the pH of a buffer
Q93: A 25.0-mL sample of 0.150 M butanoic
Q95: Calculate the pH of a solution formed
Q96: What is the molar solubility of calcium
Q97: A complex ion contains<br>A) a central nonmetal
Q99: Calculate the pH of a buffer that
Q100: When a diprotic acid is titrated with
Q101: If the pKa of HCHO<sub>2</sub> is 3.74
Q102: A sample contains MgNH<sub>4</sub>(PO<sub>4</sub>)<sub>2</sub>,<sub> </sub>Sb<sub>2</sub>S<sub>3</sub>,KBr,Cr(OH)<sub>3</sub>,and PbCl<sub>2</sub>.Identify the