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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