Multiple Choice
What is the pH at the equivalence point for the titration of 0.20 M nitrous acid by 0.20 M sodium hydroxide? [Ka for nitrous acid is 4.5 × 10-4]
A) 5.83
B) 7.00
C) 8.17
D) 9.00
E) 10.67
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q39: What is the change in pH after
Q40: What volume in mL of 2.0 M
Q41: Phenol red indicator changes from yellow to
Q42: Twenty-five milliliters of 0.10 M HCl is
Q43: What is the pH of a 1.0
Q45: Twenty-five milliliters of 0.10 M HCl is
Q47: 25 ml of 0.10 M acetic acid
Q48: 1.80 grams of an impure mixture containing
Q49: If some NH<sub>4</sub>Cl is added to an
Q54: For an accurate titration,the end point needs