What Is the PH of an Aqueous Solution That Is

question 115

Multiple Choice

What is the pH of an aqueous solution that is 0.20 M HNO₂ (K_a = 4.3 * 10^-4) and 0.20 M NaNO₂?

• A) 3.67
• B) 2.37
• C) 3.37
• D) 4.39
• E) 10.63

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Definitions:

Price Ceiling

A legal limit on how high the price of a product can be charged in the market.

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service and the actual amount they do pay.

Producer Surplus

The difference between the amount producers are willing to sell a good for and the actual amount they receive by selling it at the market price.

Market Equilibrium

The point at which the quantity demanded and the quantity supplied of a product are equal, leading to a stable market price.