Mass Ratios & Percent Composition Quiz

This online quiz is intended to give you extra practice in calculating mass ratios and percent compositions of a variety of chemical compounds.

Select your preferences below and click 'Start' to give it a try!

Number of problems:  1
 5
 10
 25
 50
Type of problems:  Mass ratios
 Percent Composition
 A mix of both mass ratios and percent composition problems
Chemical compound types:  Acids
 Ionic compounds with monatomic ions (easier)
 Ionic compounds with polyatomic ions (more difficult)
 Molecular compounds
 Common organic compounds
Chemical names or formulas:  I want formulas only (easier)
 I want names only (more difficult)
 Mix & match
Display quiz as:  Interactive web page (typical)
 Printable web page (for worksheets)
 Presentation (full screen for class) ( new! )
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