Homework Answers
Add Answer to:
Solution
III is a buffer solution of .5 M HC2H3O2 and .05M
NaC2H3O2
Thanks!
3. For...
a buffer solution consisting of 30ml of 1.0M HC2H3O2 + 30 ml 1.0M NaC2H3O2. 1. Write...
a buffer solution consisting of 30ml of 1.0M HC2H3O2 + 30 ml 1.0M NaC2H3O2. 1. Write the chemical equation for buffer solution 2. Calculate ph of buffer solution and account for dilution 3. Calculate ph for buffer solution with addition of 2mL of 1.0 M HCL and account for dilution. 4. Calculate pH for buffer solution with added 2mL of 1.0 M NaOH And account for dilution. The Ka of HC2H3O2 is 1.8 x 10^-5
Calculate the pH of a buffer solution made with 0.75 M HC2H3O2 and 0.25 M NaC2H3O2...
Calculate the pH of a buffer solution made with 0.75 M HC2H3O2 and 0.25 M NaC2H3O2 at 25 degrees Celsius. (Ka = 1.8 x 10-5) Which direction will the reaction move in when 1.0 mL of HCl is added to the above buffer solution?
A buffer solution is made from 0.235 M in HC2H3O2 and 0.265 M NaC2H3O2 (the Ka...
A buffer solution is made from 0.235 M in HC2H3O2 and 0.265 M NaC2H3O2 (the Ka of acetic acid is 1.79 x 10-5). a. Determine the pH of the buffer solution b. What is the pH of the buffer solution when a 0.100 M HCl solution is added? c. What is the pH of the buffer solution when a 0.125 M NaOH solution is added?
buffer is HC2H3O2/NaC2H3O2 difference in PH: big change when added to buffer. small change when added...
buffer is HC2H3O2/NaC2H3O2
difference in PH: big change when added to buffer. small
change when added to water. why?
why such a bug change when you add an acud or base to water
but not to butfer?
1. a) Describe the difference in observed pH changes upon adding a small amount of strong acid or base to 25.0 mL of water vs to 25.0 mL of your buffer. b) Explain why there was a difference. 6.0M HC,H,O, is corrosive. Prevent...
For 460.0 mL of a buffer solution that is 0.125 M in HC2H3O2 and 0.110 M...
For 460.0 mL of a buffer solution that is 0.125 M in HC2H3O2 and 0.110 M in NaC2H3O2, calculate the initial pH and the final pH after adding 0.010 mol of HCl. For 460.0 mL of a buffer solution that is 0.165 M in CH3CH2NH2 and 0.155 M in CH3CH2NH3Cl, calculate the initial pHand the final pH after adding 0.010 mol of HCl.
A 1.0-L buffer solution contains 0.100 mol HC2H3O2 and 0.100 mol NaC2H3O2. The value of Ka...
A 1.0-L buffer solution contains 0.100 mol HC2H3O2 and 0.100 mol NaC2H3O2. The value of Ka for HC2H3O2 is 1.8×10^−5. Calculate the pH of the solution upon addition of 25.8 mL of 1.00 MHCl to the original buffer.
4. (14 pts) Assume that you have a 0.250 L buffer solution that is 0.40 M...
4. (14 pts) Assume that you have a 0.250 L buffer solution that
is 0.40 M acetic acid, HC2H3O2,
and 0.50 M acetate ion,
HC2H3O2, and 0.50 M acetate ion, C2H30. Calculate the pH after 100 mL of 0.10 M HCl is added to this buffer. HC,H,02(aq) + H,0(I) C,H30, (aq)+H,0. (aq) K.-1.8x105
For 490.0 mL of a buffer solution that is 0.125 M in HC2H3O2 and 0.110 Min...
For 490.0 mL of a buffer solution that is 0.125 M in HC2H3O2 and 0.110 Min NaC2H3O2, calculate the initial pH and the final pH after adding 0.010 mol of HCl. Express your answers using two decimal places separated by a comma.
A 1.0-L buffer solution contains 0.100 mol HC2H3O2 and 0.100 mol NaC2H3O2. The value of Ka for HC2H3O2 is 1.8×10−5. Ca...
A 1.0-L buffer solution contains 0.100 mol HC2H3O2 and 0.100 mol NaC2H3O2. The value of Ka for HC2H3O2 is 1.8×10−5. Calculate the pH of the solution, upon addition of 0.070 mol of NaOH to the original buffer. Express your answer using two decimal places.
What reaction that occurs when HCl is added to a buffer solution composed of HC2H3O2 and...
What reaction that occurs when HCl is added to a buffer solution composed of HC2H3O2 and NaC2H3O2. What reaction that occurs when is added to a buffer solution composed of and . As HCl (H− and Cl+) is added, the H− will pair with C2H3O−2, neutralizing the acetate ion and becoming acetic acid. As HCl (H+ and Cl−) is added, the H+ will pair with HC2H3O2, neutralizing the acetate ion and becoming an acetic base., As HCl (H+ and Cl−) is added,...
buffer is HC2H3O2/NaC2H3O2
difference in PH: big change when added to buffer. small
change when added to water. why?
why such a bug change when you add an acud or base to water
but not to butfer?
1. a) Describe the difference in observed pH changes upon adding a small amount of strong acid or base to 25.0 mL of water vs to 25.0 mL of your buffer. b) Explain why there was a difference. 6.0M HC,H,O, is corrosive. Prevent...
4. (14 pts) Assume that you have a 0.250 L buffer solution that
is 0.40 M acetic acid, HC2H3O2,
and 0.50 M acetate ion,
HC2H3O2, and 0.50 M acetate ion, C2H30. Calculate the pH after 100 mL of 0.10 M HCl is added to this buffer. HC,H,02(aq) + H,0(I) C,H30, (aq)+H,0. (aq) K.-1.8x105
Most questions answered within 3 hours.
-
Analysis of 3-ethyl-3-buten-2-ol gave C, 72.13%; H, 11.92%.
Calculate the percent deviation of these results from...
asked 2 minutes from now -
How can I solve the following using a TI83
Claim: Most adults would erase all of...
asked 48 seconds ago -
Which VALS segment is most likely to have a top of the line
brand new (2015)...
asked 1 minute ago -
Write a program to score the paper-rock-scissor game. Each of
two users types in either P,R...
asked 21 minutes ago -
Calculate the equillibrium constent K for a redox reaction that
has E°cell = -.98 V at...
asked 33 minutes ago -
A concave spherical mirror has a radius of curvature of
magnitude 19.6 cm.
(a) Find the...
asked 35 minutes ago -
3. draw a diagram of the magnetic field:
a. around a long straight wire with a...
asked 34 minutes ago -
If you titrated 30.0 mL of 0.1 M HCl with 0.1 M NaOH, indicate
the approximate...
asked 42 minutes ago -
NADH passes electrons into the electron transport chain. List
the carriers that would receive the electrons,...
asked 50 minutes ago -
A cylindrical cable with a resistivity of 1.6x10-8 Ω·m and cross
sectional area of 3x10-5 m^2...
asked 50 minutes ago -
True or False.
A consumer with convex preferences who is indifferent between
the bundles (5,2) and...
asked 54 minutes ago -
A diamond's index of refraction for red light, 656 nm, is 2.410,
while that for blue...
asked 1 hour ago