Chemistry Concepts: Moles, Molar Mass, and Avogadro's Number, Exercises of Chemistry

Download Chemistry Concepts: Moles, Molar Mass, and Avogadro's Number and more Exercises Chemistry in PDF only on Docsity! Chapter 4: 1. The formula mass of a molecule depends on which of the following atomic properties? a. the total electronegativity of all the atoms in the molecule b. the individual masses of all the atoms in the molecule c. the total number of electrons within the molecule d. the total number of subatomic particles within the molecule Docsity.com 2. Which of the following is the best definition of the mole? a. an abbreviation for molecule. b. the nucleus of an atom c. the actual mass of an individual atom d. a grouping of 6.022 × 1023 units of something Docsity.com 5. Which of the following can NOT be determined from the empirical formula of a compound? a. the types of elements in a compound b. the ratio of elements in a compound c. the total molar mass of a compound d. the minimum number of each element type in a compound Docsity.com 6. In a chemical equation, where can the products be found? a. to the left of the arrow b. to the right of the arrow c. above the arrow d. only reactants are listed in a chemical equation Docsity.com 7. What do the coefficients in a balanced chemical equation indicate? a. the charge on each molecule in the equation b. the number of each molecule that participates in the chemical reaction c. whether the molecule is a solid, liquid, or gas d. whether the molecule is a reactant or a product Docsity.com