what mass of NaOH(s) must you add to a 1.00 L sample of 0.115 M acetic...

Question

Question

what mass of NaOH(s) must you add to a 1.00 L sample of 0.115 M acetic acid(which the Ka=1.8 x 10^-5) to produce a solution with a pH of 3.25?

Answer 1

Answer #1

let number of moles of Nooh is x mol. number of moles of CH3CooH is 0.115 mol NaoH CH3coo Not +H₂O + CH₃COOH 0.115 o 0.115-8

Answer 2

Similar Homework Help Questions

what mass of NaOH must be add to a 1.00 L sample of 0.115 M acetic...

what mass of NaOH must be add to a 1.00 L sample of 0.115 M acetic acid so produce a solution with a ph of 3.25
I need help with #4. "show by calculation why acetic acid (Ka = 1.8 X 10^-5), when combined with NaC2H3O3 as a buffe...

I need help with #4. "show by calculation why acetic acid (Ka = 1.8 X 10^-5), when combined with NaC2H3O3 as a buffer, will not produce a pH o 9.00" 1. What is the pH of a 1.0L buffer that is 0.10 M in Naz HPO4 and 0.15 M in NaH2PO4? Write the equilibrium reaction equation and corresponding Ka expression for the buffer. K for H2PO4 is 6.2 X 108 2. A 10.00 mL sample of 0.300 M NH3 is...
Your task is to prepare a buffer solution of 1.00 L of 0.250 M acetic acid...

Your task is to prepare a buffer solution of 1.00 L of 0.250 M acetic acid and solid sodium hydroxide. Start by writing the equation for the reaction that will form the buffer (hint: you must have both acetic acid and acetate ion in the solution; where will the acetate ion come from? Neglecting the volume change on addition of NaOH (MM 40.0 g/mol), what mass is required to produce a buffer of pH 3.75? What pH will the buffer...

7. Calculate the mass of sodium acetate (CH3COONa) that must be added to 1.00 L 0.450 M acetic acid (CH3COOH), Ka =...

7. Calculate the mass of sodium acetate (CH3COONa) that must be added to 1.00 L 0.450 M acetic acid (CH3COOH), Ka = 1.8 x 10 ) to form a pH = 5.00 buffer. Ka = 1.8 x 109.
How many grams of solid NaOH must be added to 1.00 L of 2.0 M CH3COOH...

How many grams of solid NaOH must be added to 1.00 L of 2.0 M CH3COOH (acetic acid) to produce a solution that is buffered at each pH? Ka = 1.76 × 10–5 a. pH = pKa b. pH = 4.00
What mass of sodium acetate, NaCH3 CO2, must be added to 1.00 L of 0.11 M...

What mass of sodium acetate, NaCH3 CO2, must be added to 1.00 L of 0.11 M acetic acid to give solution with a pH of 4.40? (K, for acetic acid is 1.8 x 10 Mass

1. Your task is to prepare a buffer solution of 1.00 L of 0.250 M acetic...

1. Your task is to prepare a buffer solution of 1.00 L of 0.250 M acetic acid and solid sodium hydroxide. Start by writing the equation for the reaction that will form the buffer (hint: you must have both acetic acid and acetate ion in the solution; where will the acetate ion come from? Neglecting the volume change on addition of NaOH (MM 40.0 g/mol), what mass is required to produce a buffer of pH 3.75? What pH will the...
A 20.0 mL sample of a 0.0875 M solution of acetic acid, CH3COOH, is titrated with...

A 20.0 mL sample of a 0.0875 M solution of acetic acid, CH3COOH, is titrated with a 0.115 M solution of KOH. What is the pH after 20.0 mL of KOH solution have been added? For CH3COOH, Ka=1.8 x 10–5.
A 500mL solution of 0.40M HC2H3O2 is made. What mass of NaOH must be added to...

A 500mL solution of 0.40M HC2H3O2 is made. What mass of NaOH must be added to have a buffer with a pH of 5.20? Ka of Acetic Acid is 1.8*10^-5.

25 mL of 0.10 M acetic acid is titrated with 0.10 M NaOH. What is the...

25 mL of 0.10 M acetic acid is titrated with 0.10 M NaOH. What is the pH after 30 ml of NaOH have been added? Ka for acetic acid = 1.8 x 10^-5.