CHEM 120 Chamberlain College Of Nursng -CHEM 120 Week 4: Review Quiz and answers already passed 2025

CHEM 120 Chamberlain College Of Nursng -CHEM 120 Week 4: Review Quiz and answers already passed 2025 What is the molar mass of CaSO4? - correct answer 136.14 g/mol Based on the balanced chemical equation: 2 NH3 + 3 CuO → 3 Cu + N2 + H2O which of the following statements is NOT true: Group of answer choices - correct answer H2O is a reactant How many atoms of oxygen are there in the molecule Al2(SO4)3? Group of answer choices - correct answer 12 How many grams of H2O are in 0.2 moles of H2O (molar mass 18.01 g/mol)? - correct answer 3.6 grams What allows us to convert from moles of one substance to moles of another substance? - correct answer A balanced chemical equation Balance the reaction V + O2 → VO When balanced, what is the coefficient in front of the V? Group of answer choices - correct answer 2 What is the balanced form of the reaction: FeCl3 + NaOH → Fe(OH)3 + NaCl - correct answer FeCl3 + 3 NaOH → Fe(OH)3 + 3 NaCl 2 moles of AlCl3 were reacted as shown by the balanced reaction below. How many moles of MgCl2 formed? 2 AlCl3 + Mg3P2 → 2 AlP + 3 MgCl2 - correct answer 3 moles of MgCl2 A chemist dissolved 24 grams of CaCl2 (molecular mass 110.98 g/mol) in water to prepare a solution with a total volume of 360 mL. What is the molarity of this solution? - correct answer 0.6M What formula would you use to prepare a dilute solution from a concentrated solution? - correct answer C1V1 = C2V2 You are preparing a