When the following equation is balanced with the lowest whole number coefficients possible what is the coefficient in front of ZnCl2?Al (s) + ZnCl2 (aq) Zn (s) + AlCl3 (aq) 1 2 3 6Question 2 (Multiple Choice Worth 3 points)When the following equation is balanced with the lowest whole number coefficients possible what is the coefficient in front of NaOH?NaOH + H3PO4 H2O + Na3PO4 1 2 3 4Question 3 (Essay Worth 3 points)Write the complete balanced equation for the following reaction: CaCl2 + Na3PO4 NaCl + Ca3(PO4)2Question 4 (Multiple Choice Worth 3 points)Which chemical equation below does not illustrate the Law of Conservation of Mass? 3LiOH + Fe(NO3)3 3LiNO3 + Fe(OH)3 Al4C3 + 12H2O 3CH4 + 4Al(OH)3 2NaCl + CaO Na2O + CaCl2 2Zn + 2HCl ZnCl2 + H2Question 5 (Essay Worth 3 points)Write the complete balanced equation for the following reaction: C5H9O + O2 CO2 + H2OQuestion 6 (Multiple Choice Worth 3 points)How many atoms of nitrogen are represented in 2(NH4)3PO4? 2 3 6 12Question 7 (Multiple Choice Worth 3 points)How many atoms of oxygen are represented in 3Fe(NO3)2? 3 6 12 18Question 8 (Essay Worth 4 points)Explain the Law of Conservation of Mass in terms of the atoms and bonds in a chemical reaction.
