What Is the Concentration of Pb²⁺ Ions in a Solution

question 122

Multiple Choice

What is the concentration of Pb²⁺ ions in a solution prepared by adding 5.00 g of lead(II) iodide to 500. mL of 0.150 M KI? [K_sp(PbI₂) =1.4 × 10^-8]

• A) 2.2 × 10^{-2 M}
• B) 1.5 × 10^{-7 M}
• C) 6.2 × 10^{-7 M}
• D) 9.3 × 10^{-8 M}
• E) 1.4 × 10^{-8 M}

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Competitive Firm

A company operating in a market where it has to set its prices based on the market conditions because it has little to no influence over the market prices.

Output Rises

An increase in the amount of goods or services produced by a company or economy.

Negative Economic Profit

A situation where total costs exceed total revenues, indicating a loss in economic terms.

Perfectly Competitive

A market structure characterized by many sellers and buyers, homogeneous products, and free entry and exit, leading to price takers on both sides.