A Solution Is Made by Mixing 25

question 33

Multiple Choice

A solution is made by mixing 25.0 g of NaOH in H₂O. What is the amount of H₂O in the solution? (Mole fraction of solute = 0.090; molar mass of NaOH = 40.0 g/mol; molar mass of H₂O = 18.0 g/mol)

• A) 113.8 g
• B) 56.25 g
• C) 256.5 g
• D) 6.32 g
• E) 125.6 g

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Definitions:

Perfectly Competitive

A market structure characterized by a large number of small firms, a homogenous product, perfect information, and no barriers to entry or exit.

Marginal Cost

A rise in the comprehensive cost when producing an additional unit of a product or service.

Fixed Cost

A charge that stays the same, no matter how much is produced or sold in terms of goods or services.

Variable Costs

Expenses that vary directly with the level of production or volume of output.