The Solubility of Oxygen in Lakes High in the Rocky

question 105

Multiple Choice

The solubility of oxygen in lakes high in the Rocky Mountains is affected by the altitude. If the aqueous solubility of atmospheric O₂ is 2.67 × 10^-4 M at sea level and 25°C,what is the solubility of O₂ at an elevation of 12,000 ft where the total pressure is 0.657 atm? Assume the temperature is 25°C,and that the mole fraction of O₂ in air is 0.209
At both 12,000 ft and at sea level.

• A)1.75 × 10^-4 M
• B)2.67 × 10^-4 M
• C)3.66 × 10^-5 M
• D)4.06 × 10^-4 M
• E)5.58 × 10^-5 M

---

Definitions:

Skimming Pricing Strategy

A pricing approach where a product is initially set at a high price before gradually lowering it over time to capture different segments of the market.

R&D Costs

Expenses related to the research and development activities of a company, aimed at the innovation, improvement, or development of new products or services.

Competitive Entrants

New participants in a market who compete against established incumbents, usually introducing new competition or innovation.

Skimming Pricing

A pricing strategy involving setting high prices initially and then gradually lowering them to make the product available to a broader market.