Draw a milliequivalents-per-liter bar graph and list the hypothetical combinations of compounds for the following water analysis (cations & anions = 7.28 meq/L): Ca2+ = 94 mg/L Mg2+ = 24 mg/L Na+ = 14 mg/L HCO3 - = 317 mg/L SO4 2- = 67 mg/L Cl- = 24 mg/L