Dumire408 Dumire408

07-07-2014
Chemistry

Answered

Concentration of Ca(OH)2 is 10^-2 ..find its pH value.Explain too.

Answer :

pyromorphite pyromorphite

07-07-2014

pH = -log[H⁺]

Ca(OH)₂ <---> Ca²⁺ + 2OH⁻

Concentration = 10⁻² mol/l = 0,01 mol/l

pOH = -log[OH⁻]
pOH = -log(0,01) = 2
pH + pOH = 14
pH + 2 = 14
pH = 14 - 2
pH = 12

Answer Link

Other Questions

Assignment Content You are a data analyst for a retail company that sells electronic gadgets. As part of your job, you are tasked with analyzing customer satisf

Where is the medullary cavity of a long bone found?A. in the diaphysisB. in the metaphysesC. in the epiphyses

What is the solution of [tex]4+\sqrt{5x+66}=x+10[/tex]?A. [tex]x=-10[/tex]B. [tex]x=3[/tex]C. [tex]x=-10 \text{ or } x=3[/tex]D. No solution

Select the best answer for the question.11. Which of the following is an example of an improper fraction?A. [tex]\frac{4}{5}[/tex]B. [tex]\frac{6}{7}[/tex]C. [t

66% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 33 owned dogs are randomly selected, find the proba

Solve this linear equation for [tex]$p$[/tex].[tex]\[ 2.6(5.5p - 12.4) = 127.92 \][/tex]1. Distributive property:[tex]\[ 14.3p - 32.24 = 127.92 \][/tex]2. Addit

a) True b) FalseQuestion 3 Which of the following is not a characteristic of novice drivers? a) They have limited driving experience b) They have exceptiona

Which of the following statements most accurately describes the structure of political parties in the U.S.?A. State party organizations have a great deal of ind

Suppose that you follow an electric field line due to a positive point charge. Do electric field and electric potential increase or decrease?

Which part of the brain is responsible for triggering positive feelings but also underlies impulsivity?A. The brainstemB. The dorsal raphe nucleusC. The behavio

What is the Bond Type and Molecular polarity of PCl3?

What is the Bond Type and Molecular polarity of PCl3?

a board is 24 in. long. find all the whole number lengths into which it can be evenly divided.

What is the Bond Type and Molecular polarity of PCl3?

Tameeka is in charge of designing a pennant for spirit week. She wants the base to be 3 and one half feet and the height to be 6 and one half. She has 20 square

Tameeka is in charge of designing a pennant for spirit week. She wants the base to be 3 and one half feet and the height to be 6 and one half. She has 20 square

Tameeka is in charge of designing a pennant for spirit week. She wants the base to be 3 and one half feet and the height to be 6 and one half. She has 20 square

a board is 24 in. long. find all the whole number lengths into which it can be evenly divided.

Tameeka is in charge of designing a pennant for spirit week. She wants the base to be 3 and one half feet and the height to be 6 and one half. She has 20 square

a board is 24 in. long. find all the whole number lengths into which it can be evenly divided.