Question

What mass of sodium benzoate should be added to 140.0 mL of a 0.13 M benzoic...

What mass of sodium benzoate should be added to 140.0 mL of a 0.13 M benzoic acid solution in order to obtain a buffer with a pH of 4.25?

Please help!! I dont understand the process

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
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
Similar Questions
What mass of sodium benzoate should be added to 150.0 mL of a 0.17 M benzoic...
What mass of sodium benzoate should be added to 150.0 mL of a 0.17 M benzoic acid solution in order to obtain a buffer with a pH of 4.30? (answer is in grams).
What mass of sodium benzoate should be added to 160.0mL of a 0.16M benzoic acid solution...
What mass of sodium benzoate should be added to 160.0mL of a 0.16M benzoic acid solution in order to obtain a buffer with a pH of 4.25? Express your answer using two significant figures.
what mass of sodium benzoate must be dissolved in 500 ml of .65 M benzoic acid...
what mass of sodium benzoate must be dissolved in 500 ml of .65 M benzoic acid to produce a buffer with the pH of 4.7
A 250mL buffer is made of .33 M benzoic acid and .21 M sodium benzoate. What...
A 250mL buffer is made of .33 M benzoic acid and .21 M sodium benzoate. What is the initial ph of the solution? If 1.0 mL of 12M NaOH is added to the solution, what is the new ph?
A 250mL buffer is made of .33 M benzoic acid and .21 M sodium benzoate. What...
A 250mL buffer is made of .33 M benzoic acid and .21 M sodium benzoate. What is the initial pH of the solution? If 1.0 mL of 12M NaOH is added to the solution, what is the new pH? Then if the concentrations in part A of this experiment had been 0.50 M for the acid and 1.5 M for the base, what would the pka have been, assuming the pH remains the same?
You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid...
You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid (pKa = 4.20) and 0.240 M sodium benzoate. How much Benzoic Acid and Sodium Benzoate should be added in mL?
common methods to prepare a buffer. Calculate the mass of benzoic acid and sodium benzoate (in...
common methods to prepare a buffer. Calculate the mass of benzoic acid and sodium benzoate (in grams) needed to prepare 250 mL of a 0.1 M buffer at pH = 4.1. (The buffer concentration is defined as the sum of the conjugate acid concentration plus the conjugate base concentration.) The pKa of benzoic acid is 4.2
What should the molar concentrations of benzoic acid and sodium benzoate be in a solution that...
What should the molar concentrations of benzoic acid and sodium benzoate be in a solution that is buffered at a pH of 4.56 and has a freezing point of -2.0 ∘C? Assume complete dissociation of sodium benzoate and a density of 1.01 g/mL for the solution.)
You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid...
You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid (pKa = 4.20) and 0.120 M sodium benzoate. How much of each solution should be mixed to prepare this buffer? ___ ml benzoic acid ___ ml sodium benzoate
1) What mass of ammonium chloride should be added to 2.50 L of a 0.160 M...
1) What mass of ammonium chloride should be added to 2.50 L of a 0.160 M NH3 in order to obtain a buffer with a pH of 9.55? 2) A 350.0 −mL buffer solution is 0.140 M in HFand 0.140 M in NaF. What mass of NaOH could this buffer neutralize before the pH rises above 4.00? If the same volume of the buffer was 0.360 M in HF and 0.360 M in NaF, what mass of NaOHcould be handled...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT