Multiple Choice
Formic acid,which is a component of some insect venoms,has a Ka = 1.8 × 10-4.What is the [H3O+] in a solution that is initially 0.10 M formic acid,HCOOH?
A) 4.2 × 10-3 M
B) 8.4 × 10-3 M
C) 1.8 × 10-4 M
D) 1.8 × 10-5 M
E) 1.8 × 10-6 M
Correct Answer:
Verified
Correct Answer:
Verified
Q24: Which one of the following is a
Q36: What is the pOH of a 0.0085
Q38: A solution is prepared by adding 0.10
Q51: What is the pOH of a 0.025
Q62: After a substance acting as a strong
Q94: A(n) _ can be added to a
Q116: In the reaction,HSO<sub>4</sub><sup>-</sup>(aq)+ OH<sup>-</sup>(aq) <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6485/.jpg" alt="In
Q121: Farmers who raise cotton once used arsenic
Q124: Hydroxylamine,HONH<sub>2</sub>,readily forms salts such as hydroxylamine hydrochloride
Q138: Since arsenic is a nonmetal, As<sub>2</sub>O<sub>3</sub> is