HomeworkLib
Question

You find 425 ml of 0.350M sodium oxalate in the lab, and you want to use...

You find 425 ml of 0.350M sodium oxalate in the lab, and you want to use it to make a buffer with a ph of 1.50. What mass of oxalic acid is needed to make this buffer?

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
You find 425 ml of 0.350M sodium oxalate in the lab, and you want to use...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 5. You find 425 mL of 0.350 M sodium oxalate in the lab, and you want...

    5. You find 425 mL of 0.350 M sodium oxalate in the lab, and you want to use it to make a buffer with a pH of 1.50. What mass of oxalic acid (MW = 90.03 g/mol, K = 5.9 x 10-2) is needed to make this buffer? (10 pts.) (You can neglect any volume changes due to the addition of solid oxalic acid.)

  • You want to make 500 mL of 0.400 M sodium acetate buffer pH 4.9. You have...

    You want to make 500 mL of 0.400 M sodium acetate buffer pH 4.9. You have 17.5 M acetic acid and sodium acetate. Add 5.55 g of sodium acetate. How much acetic acid to add?

  • You are working in a lab and need to make a buffer with a pH =...

    You are working in a lab and need to make a buffer with a pH = 5.50. You have 5.00 M NaOH and 5.00 M HCl available. You observe that malonic acid (HO2CCH2CO2H or H2A) has pK1 = 2.847 and pK2 = 5.696. Given the mass of malonic acid needed from the last problem, how many mL of NaOH solution is needed to give a pH of 5.50 in the buffer solution? Assume that you will make 500. mL of...

  • Suppose you were asked to make 100ml of an Acetic Acid/Sodium Acetate buffer with a pH...

    Suppose you were asked to make 100ml of an Acetic Acid/Sodium Acetate buffer with a pH of 5.73 and a concentration of 0.1M What mass (in grams) of Sodium Acetate is needed? What volume (in ml) of Acetic Acid is needed

  • During this part #3 of the lab, you will make 2 acetic acid buffer solutions (HC2H3O2/NaC2H3O2)...

    During this part #3 of the lab, you will make 2 acetic acid buffer solutions (HC2H3O2/NaC2H3O2) of the same pH (pH = 4.0), but with different concentration of the components. Use the Henderson -Hasselbalch equation to perform the following calculations. The Ka of acetic acid is 1.8 x 10-5 M. a. Buffer A: Calculate the mass of the solid sodium acetate (NaC2H3O2) required to mix with 100 ml of 0.1 M acetic acid (HC2H3O2), to prepare a pH 4 buffer....

  • Your lab TA asks you to prepare a buffer solution with a pH of 7.40. The...

    Your lab TA asks you to prepare a buffer solution with a pH of 7.40. The following reagents are all available to you: 550 mL of 0.200 M formic acid, 450 mL of 0.200 M hypochlorous acid, solid sodium formate and solid sodium hypochlorite. a) Which 2 ingredients will you use to prepare the desired buffer? b) What is the base/acid ratio in the desired buffer? c) What mass (in g) of solid base must you dissolve in the corresponding...

  • You are working in a lab and need to make a buffer with a pH =...

    You are working in a lab and need to make a buffer with a pH = 5.50. You have 5.00 M NaOH and 5.00 M HCl available. You observe that malonic acid (HO2CCH2CO2H or H2A) has pK1 = 2.847 and pK2 = 5.696. You only have pure malonic acid available in the lab. If you want to make 500 mL of a buffer with a total concentration of 0.100 M buffer components, what mass of malonic acid do you need...

  • what volume of 0.15 M sodium hydrogen oxalate must be added to 20.00 ml of 0.25 M sodium oxalate to produce a solution with a ph of 4.80?

    what volume of 0.15 M sodium hydrogen oxalate must be added to 20.00 ml of 0.25 M sodium oxalate to produce a solution with a ph of 4.80?

  • Prepare 250.00 mL of a 0.1 M carbonate buffer with a pH of 9.5. Use sodium...

    Prepare 250.00 mL of a 0.1 M carbonate buffer with a pH of 9.5. Use sodium bicarbonate NaHCO3 , 0.100 M HCl solution and 0.200 M NaOH solution. How do you make this buffer? Givens: Carbonic acid pKa1 = 6.35 | pKa2 = 10.33 Molar mass NaHCO3 = 84.01 g/mol

  • You work in a research lab with a chemist who asks you to make 500.0 mL...

    You work in a research lab with a chemist who asks you to make 500.0 mL of a formic acid/sodium formate buffer solution with pH = 4.10. Formic acid is HCOOH(aq); sodium formate is NaHCOO(s) and is soluble in water. The total concentration of formic acid + formate ion in the buffer is to be 0.120 M. Ka(HCOOH) = 1.77 × 10–4 (pKa = 3.75). In the storeroom, there are the following reagents: (i) solid sodium formate, (ii) a 3.00...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT