Given the question: Answer the following question given this paragraph: Chemists often need to know what elements are present in a compound and in what percentage. The percent composition is the percent by mass of each element in a compound. It is calculated in a similar way that we just indicated for the peanut butter. Q: What term means the percent by mass of each element in a compound? Choices: - molecular composition - calculated composition - mass composition - percent composition A:
The answer is:
percent composition