Answer to Question #260273 in Inorganic Chemistry for Smiles

Inorganic Chemistry

Question #260273

In some water softening operations, Mg²⁺ must be removed from solution along with Ca²⁺. What pH is required to lower TOT Mg to 10 mg/L as CaC0₃ by precipitation of Mg(OH)₂(s)?

Expert's answer

10^-8×10

= 10^-7

Log 10^-7=-7

14= pKa+pH

pH=14-7= 7

Learn more about our help with Assignments: Inorganic Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. 3. Nuclear chemistry 1. Calculate the binding energy per nucleon in MeV for the iron isotope wit
2. 2. Oxidation-Reduction reactions 1. Iron (II) is oxidised to iron (III) by chlorine. Use the hal
3. 1. Acids and Bases 1. What is the pH of a solution of HCl with a concentration of 1.2 X 10-
4. From periodic table explain the following; Cl‐1, Li 1, Mg +2, S6, Cs +1, Al +3, O -2 and Ca +2
5. Lead metal is obtained from lead sulfide through the following reaction:2PbS(s) + 2C(s) + 3O2(g) →
6. Calculate the amount of heat required to raise the temperature of 7.25g of liquid water from 22.7oC
7. Using the appropriate gas laws, calculate the quantities denoted by the blanks below.Conditions befo