If a Constant Current of 5

question 21

Multiple Choice

If a constant current of 5.2 amperes is passed through a cell containing Cr³⁺ for 2.1 hour, how many grams of Cr will plate out onto the cathode? (The atomic mass of Cr is 51.996 g/mol.)

• A) 0.12 g
• B) 1.1 g
• C) 64 g
• D) 21 g
• E) 7.1 g

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Definitions:

Thomas Hobbes

A 17th-century English philosopher best known for his work in political philosophy, particularly his book "Leviathan," which established the foundation for most of Western political philosophy.

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