What Is the PH of a Solution Prepared by Adding

question 120

Multiple Choice

What is the pH of a solution prepared by adding 1.59 g of sodium nitrite to 195 mL of water? K_a of HNO₂ is 4.5 × 10^-4.

• A)5.79
• B)2.15
• C)7.00
• D)11.85
• E)8.21

---

Definitions:

Profit-Maximizing Price

The price at which a firm can sell its product to earn the maximum possible profit on those sales.

Marginal Revenue

The additional income from selling one more unit of a good; it is the change in total revenue from an additional unit sold.

Marginal Revenue

The increase in revenue resulting from the sale of one additional unit of a product.

Maximum Level

The highest or utmost point, degree, or volume of something that can be achieved or reached.