Chemistry 113 Quiz 2 2023 (GCU) Practice Concepts with Correct Answers.

Stoichiometry Correct Answer The study of quantities of materials consumed and produced in chemical reactions What is the formula weight? Correct Answer Average atomic weights in amu. It is the weight of 1 formula unit What is the molecular weight? Correct Answer Average atomic weights in amu. It is the weight of 1 molecular unit Percent Composition Correct Answer Relative amount of an element in a compound/molecule What is 1 mol of particles equivalent to? Correct Answer 6.02x10^23 particles What is 1 mol of atoms equivalent to? Correct Answer 6.02x10^23 atoms What is 1 mol of molecules equivalent to? Correct Answer 6.02x10^23 molecules What is 1 amu equivalent to? Correct Answer 1.66x10^-24 grams Molar Mass Correct Answer Average atomic mass in g/mol. It is the mass of 1 mol What is the mass of 1 atom of Carbon? Correct Answer 12.01 amu What is the mass of 1 mole of Carbon? Correct Answer 12.01 g How many atoms of Carbon are in 1 mole of Carbon? Correct Answer 6.02x10^23 atoms of Carbon Avogadro's Number Correct Answer 6.02x10^23 How do you convert grams to moles and vice versa? Correct Answer Using molar mass How do you convert moles to particles and vice versa? Correct Answer Using Avogadro's number Empirical Formula Correct Answer Simplest whole-number ratio Molecular Formula Correct Answer (Empirical Formula)n where [n=integer]