Percent Composition Demo

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Difference (from prior author revision) (major diff, minor diff)

Changed: 3c3

Equation for Percent Composition:

Added: 7a8

Removed: 13d13

Mass of gum and wrapper:

Changed: 15c15,48

Mass of gum and wrapper before chewing:

Mass of gum and wrapper after chewing:

Calculation

1. Mass of gum before chewing:

2. Mass of gum after chewing:

3. %sugar in gum:

Percent Composition Demo

Equation for Percent Composition:

mass of element/substance * (100%)
mass of total substance

Example of Percent Composition: How much sugar is in bubble gum

Mass of wrapper:

Mass of gum and wrapper before chewing:

Mass of gum and wrapper after chewing:

Calculation

1. Mass of gum before chewing:

2. Mass of gum after chewing:

3. %sugar in gum: