A solution has a pH of 4.5. What would be the color of the

10/01/15­10/08/15 Chemistry 101 Chapter 4  Mass Relationships in Chemical Reactions: Stoichiometry o Balanced equations shows quantitative relationship between reactants and products  On submicroscopic scale, stoichiometric coefficients in the equation refer to atoms, molecules, or formula units  In macro level, refer to number of moles o Rules for Stoichiometry  1) Need a balanced equation  2) Convert known unit to moles  3) Use ratio to calculate moles of sought quantity  4) Convert moles of sought into desired units o “Grams to moles to moles to grams”  Coefficients