Sodium Chloride Is Added Slowly to a Solution That Is

question 53

Multiple Choice

Sodium chloride is added slowly to a solution that is 0.010 M in Cu⁺, Ag⁺, and Au⁺. The K_sp values for the chloride salts are 1.9  10^-7, 1.6  10^-10, and 2.0  10^-13, respectively. Which compound will precipitate first?

• A) AgCl_(s)
• B) CuCl_(s)
• C) AuCl_(s)

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Definitions:

Average Cost

The average cost is the total cost of production divided by the number of units produced, reflecting the cost per unit of output.

Marginal Cost

The supplementary expenditure required to produce an extra unit of a product or service.

Diminishing Returns

An economic principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other variables remain constant.

Decreasing Returns

A condition in economics where adding more input (like labor or capital) leads to progressively smaller increases in output.