A Solution of Al(NO₃)₃ Is Electrolyzed by Passing 144 a of Current

question 52

Multiple Choice

A solution of Al(NO₃) ₃ is electrolyzed by passing 144 A of current for 102 min. What mass of aluminum plates out?

• A) 27.4 g
• B) 760 g
• C) 82.1 g
• D) 2.3 g
• E) 75.3 g

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Definitions:

Cephalocaudal

A pattern of growth where development begins at the head and progresses downwards towards the feet.

Proximodistal

A pattern of development in humans and other organisms where growth starts at the central body and moves towards the extremities.

Cephalodistal

A principle of growth and development where development proceeds from the center of the body outward to the extremities.

Motor Maturation

The process of development and refinement of gross and fine motor skills in infants and children.