When the following equation is balanced with the lowest whole number coefficient

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.