Gibbsite Is an Aluminum Ore That Is Composed of 34

question 10

Multiple Choice

Gibbsite is an aluminum ore that is composed of 34.59% Al, 3.88% H, and 61.53% O. How much aluminum can be refined from 248.0 g of Gibbsite?

• A) 7.09 g
• B) 22.81 g
• C) 45.59 g
• D) 85.78 g
• E) 152.6 g

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Definitions:

Conservation of Number

A cognitive ability, identified by Piaget, that allows a child to understand that the quantity of an item remains the same despite changes in its shape or arrangement.

Failure to Conserve

A difficulty or inability to recognize that certain properties of objects or substances remain unchanged despite changes in their form or arrangement, typically seen in children before they reach the concrete operational stage of cognitive development.

Mental Operation

Cognitive processes that allow an individual to reason, perform abstract thinking, and solve problems.

Identity

The qualities, beliefs, personality, looks, and/or expressions that make a person or group.