Calculating pH of solutions?
Let’s learn calculating pH of solutions. The most accurate or helpful solution is served by wikihow.com.
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Best solution
How to Calculate a pH. In everyday life, pH is a scale generally used to describe the neutrality, or lack of neutrality, in a household item. In science, pH is a ...
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Other solutions
This is specifically about aqueous solutions of sodium hydroxide. How does the self-ionization equilibrium have anything to do with calculating the pH when sodium hydroxide is concentrated in water? When does the self-ionization equilibrium (specifically...
Answer:
For strong acids at high concentration, you can directly calculate the H+ concentration since it will...
Rob Hooft at Quora Mark as irrelevant Undo
So i need to calculate the pH of a solution thats 50mL of 0.4M propanoic acid and 50mL of 0.10M KOH. (pKa of propanoic acid is 4.87) I have gotten as far as KOH + CH3CH2COOH = CH3CH2COO-K+ + H2O where do I go from here to calculate pH?
Answer:
Hello, You do have the equation right - good start! You have to find the number of moles of KOH and...
Katherin... at Yahoo! Answers Mark as irrelevant Undo
Ok so i have the following question for chemistry Ka for HPO4^2- = 4.4x10^-13. A buffer system of 1.00 mole of Na2HPO4 and 1.00 mole Na3PO4 to which 0.40 mol of OH- has been added (all in 1.00L of solution) would have a pH of what? I'm not sure how start...
Answer:
1 Na2HPO4 & 1 NaOH --> 1 Na3PO4 & 1 H2O 1.00 mol Na2HPO4 reacts with 0.40 mol of OH- producing...
Katherin... at Yahoo! Answers Mark as irrelevant Undo
Sometimes, assuming the pH of the acid in water is simply the concentration of H+(aq) ions given out when the acid dissociates (into H+(aq) ions and its conjugate base) does not give accurate answers. Why? Also, why do we have to take the self-ionisation...
Answer:
The law of logarithms comes into play here. We're dealing with equilibrium between all kinds of different...
Rob Hooft at Quora Mark as irrelevant Undo
Answer:
PH=10 should generally have a higher concentration of hydroxide ions compared to the others on your...
Anonymous at ChaCha Mark as irrelevant Undo
Today in my bio lab I measured the pH of lemon juice, coffee, and sea water with pH paper and a pH meter. The next part of the lab wants me to " Calculate the following values using the pH values obtained with pH meter for pOH, H3O and OH"...
Answer:
The pOH of a solution is the concentration of OH⁻ ions. If you imagine pH and pOH on a number...
muffinman123 at Yahoo! Answers Mark as irrelevant Undo
What is the pH of a solution prepared by mixing 60.0 mL: of LiOH solution with pH = 12.28 and 40.0 mL of LiOH solution with pH = 13.19. okay need to get the moles of both of the soltutions, so first need to get the H+ concentrations of them. [H+] (1...
Ruphert J at Yahoo! Answers Mark as irrelevant Undo
Answer:
pH of water does matter in all cases, it all depends on the question being asked. Here, you can just...
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Anonymous at ChaCha Mark as irrelevant Undo
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