To determine what is meant by percent composition by mass for a compound and also describe in general terms how this information is obtained by experiment for new compounds. How the percent composition by mass is calculated for known compounds should be described.
The molar mass of any element is the mass of atoms or 1 mole of that element. The unit of molar mass is grams.
Mass of any substance can be calculated as follows:
Percentage by mass of any element in the compound is the amount of that element in the total amount of the compound.
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