Question 1A=7.95;B=4.99;C=45.25 The following is information on the contents in a sample of water at pH A : Note: 1. The water used is derived from a limestone aquifer and is thus equilibrated with CaCO3(s). 2. All possible carbonate species have not been listed above, but are present in the water. The carbonate species and Ca2+ were only derived from the dissolution of CaCO3(s). This dissolution was controlled by a closed carbonate system. 3. Definitions of 0,l, and 2 for the carbonate system with respect to pH can be found at the end of the assignment. 4. The electro-neutrality of the water was verified with the current analysis. 5. Equivalent weights: CaCO3=50.05g/eq,Ca(OH)2=37.05,Na2CO3=53.00. The following reactions apply: H2CO3HCO3+H+Kal=106.35HCO3CO32+H+Ka2=1010.33H2OH++OHKw=1014.0CaCO3(s)Ca2++CO32Ksp=5.00109 Questions a. Draw the bar graph of the ionic composition of this water in mg/L as CaCO3. b. Determine the alkalinity in mg/L as CaCO3. c. Determine the total hardness in mg/L as CaCO3. d. Determine the carbonate hardness and noncarbonate hardness of the water in mg/L as CaCO3. e. What would be the dose of lime and soda ash to completely soften this water? You can use C mg/L of lime in excess to enhance precipitation