Chromium Often Is Electroplated on Other Metals and Even Plastics

question 165

Multiple Choice

Chromium often is electroplated on other metals and even plastics to produce a shiny metallic appearance. How many grams of chromium would plate out from a solution of Cr(NO₃) ₃ when 10 amps of current are passed through the electrolytic cell for 5.36 hours?

• A)17.3 g
• B)34.7 g
• C)52.0 g
• D)104 g
• E)11.6 g

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Definitions:

Income Effect

The alteration in a person's or economic system's earnings and the effect of this alteration on the demand for a particular product or service.

Wage Decrease

A reduction in the hourly or salaried compensation paid to workers.

Utility Maximizing

The economic principle that individuals and firms strive to achieve the highest satisfaction or benefit from their resources and choices.

Industry Demand Curve

A graphical representation showing the quantity of a product that consumers in an industry are willing and able to purchase at each price over a period of time.