The Mole Concept.

Duncan, I. M.; Johnstone, A. H.

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Peer reviewed

ERIC Number: EJ090148

Record Type: CIJE

Publication Date: 1973

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The Mole Concept

Duncan, I. M.; Johnstone, A. H.

Education in Chemistry, 10, 6, 213-214, Nov 73

Reports a study of difficulties encountered by 14.5- to 15.0- year-old children in learning the mole concept with a programed instruction. Concludes that three respective disturbing factors were embedded in manipulation of molarity of solutions, balancing equations, and misapprehension that one mole of a compound always reacts with one mole of another. (CC)

Descriptors: Chemistry, Concept Formation, Educational Research, Learning Problems, Programed Instruction, Science Education, Scientific Concepts, Secondary School Science

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