The Following Pictures Represent Solutions of CaCO₃,which May Also Contain

question 129

Multiple Choice

The following pictures represent solutions of CaCO₃,which may also contain ions other than Ca²⁺ and CO₃^2- which are not shown.Gray spheres represent Ca²⁺ ions and unshaded spheres represent CO₃^2- ions.
-If solution (1) is a saturated solution of CaCO₃,which of solutions (1) -(4) represents the solution after a small amount of NaOH is added and equilibrium is restored?

• A)(1)
• B)(2)
• C)(3)
• D)(4)

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Definitions:

Price Floor

A government-imposed minimum price charged on goods and services, set above the equilibrium price to prevent market prices from falling too low.

Consumer Surplus

The discrepancy between consumer willingness to pay a total amount for a product or service and the amount they really do pay.

Consumer Surplus

The difference in the total amount consumers are predisposed and financially prepared to pay for a good or service versus their actual expenses.

Normal Good

A good for which demand increases as consumer income rises, and decreases when consumer income falls, all other factors being constant.