Formic Acid,which Is a Component of Some Insect Venoms,has a K_a

question 120

Multiple Choice

Formic acid,which is a component of some insect venoms,has a K_a = 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

---

Definitions:

Pleasant And Unpleasant

Terms describing experiences, sensations, or emotions that are either enjoyable and satisfying or uncomfortable and displeasing.

Happiness And Parenthood

The relationship and impact of having children on the happiness and well-being of parents.

Couples

Two individuals who are romantically or sexually involved and often share a close bond or partnership.

Modern Phenomenon

Contemporary or recent events, trends, or changes that are distinctive to the current era, often implying novelty or a departure from the past.