Explanation:
According to law of conservation of mass, total mass of reactants will be equal to the total mass of products.
For example, [tex]HCl + NaOH \rightarrow NaCl + H_{2}O[/tex]
Therefore, mass of reactant molecules will be as follows.
Mass of HCl is 36.46v g/mol
Mass of NaOH is 39.99 g/mol
Total mass of reactants is (36.46 + 39.99) g/mol = 76.45 g/mol
Mass of product molecules will be as follows.
Mass of NaCl is 58.44 g/mol
Mass of [tex]H_{2}O[/tex] is 18.01 g/mol
Total mass of products is (58.44 + 18.01) g/mol = 76.45 g/mol
Thus, we can conclude that any equation which represents total mass of reactants equal to the total mass of products is actually obeying the law of conservation of mass.
