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50 Years of ERIC
50 Years of ERIC
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Peer reviewed Peer reviewed
ERIC Number: EJ717072
Record Type: Journal
Publication Date: 2004-Jun-1
Pages: 3
Abstractor: Author
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0021-9584
How Many Digits Should We Use in Formula or Molar Mass Calculations?
Svensson, Christer
Journal of Chemical Education, v81 n6 p827-829 Jun 2004
The calculations of uncertainties in the formula or molar masses of compounds are streamlined. Three rules of increasing complexity are proposed, which overestimate the uncertainty so there is little if any risk that the true values are missed.
Descriptors: Computation, Scientific Concepts, Chemistry, Science Instruction, Teaching Methods, Problem Solving
Journal of Chemical Education, Subscription Department, P.O. Box 1267, Bellmawr, NJ 08099-1267. Web site: http://jchemed.chem.wisc.edu/AboutJCE/contact.html.
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A