Determine the Molar Solubility of BaF₂ in a Solution Containing

question 22

Multiple Choice

Determine the molar solubility of BaF₂ in a solution containing 0.0750 mol L^-1 LiF. K_sp (BaF₂) = 1.7 × 10^-6.

• A) 2.3 × 10^-5 mol L^-1
• B) 8.5 × 10^-7 mol L^-1
• C) 1.2 × 10^-2 mol L^-1
• D) 0.075 mol L^-1
• E) 3.0 × 10^-4 mol L^-1

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Definitions:

Monopoly

An economic condition where only one seller offers a distinctive product in the marketplace, with no similar alternatives available.

Natural Monopoly

A market condition where due to high fixed or start-up costs, efficient service is provided by a single firm instead of multiple competing firms, often seen in utilities sectors.

Fair-Return Price

For natural monopolies subject to rate (price) regulation, the price that would allow the regulated monopoly to earn a normal profit; a price equal to average total cost.

Allocatively Efficient

A state of resource allocation in which it is impossible to make any one individual better off without making someone else worse off.