What Is the [H₃O⁺] in a Buffer That Consists of 0.30

question 51

Multiple Choice

What is the [H₃O⁺] in a buffer that consists of 0.30 M HCOOH and 0.20 M HCOONa? For HCOOH, K_a = 1.7 * 10¯⁴

• A) 1.1 * 10¯⁴ M
• B) 2.6 *10¯⁴ M
• C) 4.3* 10¯⁴ M
• D) 6.7 *10¯⁵ M
• E) None of these choices is correct.

---

Definitions:

Credit Memo

A paper provided by the seller to the buyer, which decreases the total the buyer needs to pay to the seller based on the conditions of a prior bill.

Discount Period

The discount period is the timeframe during which a payment can be made with a discount for early settlement in terms of credit sales.

Merchandise Sold

The total cost of all products sold by a company during a specific period.

Cash Discount

An incentive offered by sellers to buyers for paying an invoice ahead of the scheduled due date.