anonymous
  • anonymous
A pH 4.10 Soln can be made by mixing HF and LiOH in water. What mass (g) of LiOH(s) must be added to 1L of 0.160M HF(aq) prepare in this solution. (Assume no volume change in addition of solid LiOH
Chemistry
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Cuanchi
  • Cuanchi
Are you familiar with the Henderson-Hasselbalch Approximation for a buffer? pH=pKa+log([A−]/[HA]) you also will need the Ka of HF acid Name Formula K a pKa Hydrofluoric acid HF 6.3 × 10−4 3.20
anonymous
  • anonymous
This is exactly what I used using that I get 32 grams mass LiOH
anonymous
  • anonymous
@cuanchi

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

Cuanchi
  • Cuanchi
I think that the value is a little high. Check your calculations. and let me know how did you do. You have there 1.3 mol LiOH in 32g and in your problem you have only 0.160 mol of HF acid. You will have excess of LiOH (1.3-0.160)=1.14 mol OH => pH> 14
anonymous
  • anonymous
Yeah I understand the answer is wrong that's why I posted it. I've tried going over it and I get the same thing @cuanchi
Cuanchi
  • Cuanchi
how do you do? can you show me your steps

Looking for something else?

Not the answer you are looking for? Search for more explanations.