Chemistry - Calculating Percent (%) Composition

This video tutorial explains percent composition, a concept that describes the percentage of total mass of an element in a compound. It covers the formula for calculating percent composition and provides examples using NaCl, MgF2, and Al2(SO4)3. The tutorial emphasizes the importance of understanding molar mass and demonstrates step-by-step calculations for each example, highlighting the need to account for multiple atoms of an element in a compound.

What adjustments must be made when calculating the molar mass of compounds with multiple atoms of an element?

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Describe how to find the percent composition of aluminum, sulfur, and oxygen in Al2(SO4)3.

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