Chemistry 10.3 “Percent Composition and Chemical Formulas”
Notes #18 Section Assessment 10.3. The percent by mass of an element in a compound is the number of grams of the element divided by the mass in grams.
1 Chapter 7 Chemical Quantities 7.2 Molar Mass Basic Chemistry Copyright © 2011 Pearson Education, Inc. Lithium carbonate produces a red color in fireworks.
