Chemistry

If you dissolve 30.0 g of HF in 100mL of water, what is the concentration of H+ ions in this solution? (Can you figure out what the H+ concentration would be using the Ka value?) Ka=6.3*10^-4

  1. 👍 0
  2. 👎 0
  3. 👁 107
asked by Lucy
  1. Yes, the concn HF is moles/L. You get moles from g HF/molar mass and the volume is 0.1 L. Then use Ka for HF, set up an ICE chart and solve for H^+.

    1. 👍 0
    2. 👎 0
    posted by DrBob222

Respond to this Question

First Name

Your Response

Similar Questions

  1. science

    Megan could dissolve only 36 grams of salt in 100ml of water. Describve what she could do if she wanted to dissolve more salt in 100ml of water? please i need the answer by tomorrow :(

    asked by Abii on September 4, 2011
  2. science

    Megan could dissolve only 36 grams of salt in 100ml of water. Describve what she could do if she wanted to dissolve more salt in 100ml of water?

    asked by Abii on September 4, 2011
  3. Chemistry

    can anyone help me with this question A solution is made by dissolving 0.078g of Ca(OH)2 in water to make 100ml of final solution. Calculate the pH of the solution im not sure about how to use the 100ml. thanks -nad You need the

    asked by Nadine on June 11, 2007
  4. Chemistry- please help

    I have test procedure to evaluate the clarity of a sodium hydroxide (NaOH) sample that goes like this: Dissolve 10g of NaOH in carbon dioxide free water and dilute to 100ml with the same solvent. Please explain how to perform this

    asked by anne on September 18, 2010
  5. Chemistry

    I have test procedure to evaluate the clarity of a sodium hydroxide (NaOH) sample that goes like this: Dissolve 10g of NaOH in carbon dioxide free water and dilute to 100ml with the same solvent. Please explain how to perform this

    asked by anne on September 18, 2010
  6. College General Chemistry

    How would you prepare each of the following solutions? a. 100mL of a 155ppm solution of urea, CH4N2O, in water. b.100mL of an aquaneous solution whose K+ concentration is 0.075M

    asked by DONDON on January 31, 2011
  7. Science

    If 200ml of water were used instead of 100ml,how many grams of the compound would dissolve at 40c

    asked by Luda on November 1, 2012
  8. chemistry

    A hydrochloric acid So of concentration 1mol/l and a solution S1 of concentration C1= 2×10^-2 mol/l to be prepared from So. The available materials are given below: ● Volumetric pipet: 5ml, 10ml, 20ml ● Beakers: 100ml, 250ml,

    asked by angy on December 13, 2016
  9. Genral chemistry

    if you dissolve 1.60g of Cu(No3)2 in 100mL of water, calculate the molarity of the resulting solution ?

    asked by Abdul on March 30, 2011
  10. chemistry

    A student placed 19.0g of glucose (c6h12o6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100ml.- mark on the neck of the flask was reached. The

    asked by Heather on February 28, 2010

More Similar Questions