Chemistry

posted by .

I don't know why on earth I don't remember how to do this, but I can't, and it's so simple.

Calculate [H+] and [OH-] of a solution with a pH of 9.7

Thank you.

  • Chemistry -

    pH+pOH=14

    since,
    pH=-log[H+]
    pOH=-log[OH-]

    therefore,
    [H+]=10^(-pH)
    [OH-]=10^(-pOH]

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. science(chem)

    I was just wondering if it was necessary to remember each branch of chemistry learned. I can't really remember general chemistry and I'm sort of loosing the organinc. I mostly remember the calculations and the starting part of each …
  2. Chemistry

    How do I do this?? Calculate the pH at the equivalence point for the titration of 0.20 M aniline (C6H5NH2, Kb = 3.8 x 10-10) with 0.20 M HCl. [Hint: remember the dilution factor caused by addition of titrant to the aniline solution.]
  3. Chemistry

    Calculate the amount of solute needed to make the solution. I can't remember how to set these up. .50kg of a 18% (m/m) KOH solution
  4. Chemistry

    An 8.00 mass % aqueous solution of ammonia has a density of 0.9651g/ml. Calculate the molality, molarity, and mole fraction of NH3. This question seems simple but I cannot seem to remember how to do this. Help please?
  5. Chemistry

    Determine how many mL of solution A (acetic acid-indicator solution) must be added to solution B (sodium acetate-indicator solution) to obtain a buffer solution that is equimolar in acetate and acetic acid. Solution A: 10.0 mL 3.0e-4M …
  6. Chemistry

    Can some one show me a simple step by step solution to solve this. The book is very confusing. Determine the amount of NH4Cl that will be formed from the 34.0 g of NH3. Remember to use significant figures and a unit in your answer …
  7. Chemistry

    In chemical analysis, it is often necessary to prepare a solution by diluting a stock solution.Calculate how much of a 5.337M NaOH is needed to make 1.669 liters of a 0.063M sodium hydroxide solution. (Remember to include units.)
  8. Chemistry

    In the qualitative analysis scheme, magnesium and nickel precipitate from solution upon the addition of sodium hydroxide. Once separated from the remaining cations by filtration or decanting, the solid mixture is acidified and warmed …
  9. Math

    1. Calculate the amount of fluorescein (MW 332.31) you will need to make 10 mL of 15 mM solution in ethanol (EtOH). My answer:0.05 g 2.Using Equation C1V1=C2V2 calculate the volume of stock solution (15 mM) you need to make 1 mL of …
  10. Math

    Calculate the amount of fluorescein (MW 332.31) you will need to make 10 mL of 15 mM solution in ethanol (EtOH). My answer:0.05 g 2.Using Equation C1V1=C2V2 calculate the volume of stock solution (15 mM) you need to make 1 mL of each …

More Similar Questions