Explain what concn of koac would buffer

Assignment Help Chemistry

Reference no: EM13530760

1. What would be the pH of a solution of 0.375 M HOAc? Ka for HOAc is 1.8 x 10-5

2. What is the pH of a solution of 0.550 M HOAc and 0.750 M NaOAc? Ka for HOAc is 1.8 x 10-5

3. What concn of KOAc would buffer a 0.650 M soln of HOAc to a pH of 4.45?

Reference no: EM13530760

Questions Cloud

Using two concepts from the reading : Using two concepts from the reading (e.g. polypotency, artifact/idea, STS, etc...), critique the myth of moral neutrality of technology. Provide some reasons to the effect that technological development can be morally good or bad.

Evaluate the astronauts orbital speed : Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. evaluate the astronaut's orbital speed

When a fatty acid molecule is broken down : When a fatty acid molecule is broken down, it splits. The amount of energy required to produce one mole of ATPis

Calculate the centripetal acceleration of the electron : In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is approximately 2.51 106 m/s. Find the centripetal acceleration of the electron

Explain what concn of koac would buffer : What is the pH of a solution of 0.550 M HOAc and 0.750 M NaOAc? Ka for HOAc is 1.8 x 10-5. What concn of KOAc would buffer a 0.650 M soln of HOAc to a pH of 4.45

What is the return expected on investment measured : What is the return expected on investment measured in dollar terms if the opportunity cost rate is 10 percent and provide an explanation, in economic terms, of your answer.

What is the force applied to the handle : A 25 kg suitcase is being pulled with constant speed by a handle that is at an angle of 22 degrees above the horizontal. what is the force F applied to the handle

Compute the amount of moles of nahso4 : Now calculate the amount of moles of NaHSO4(s) to be dissolved in the system to lower the pH to 2.40. Include the rxn equations that take place.

Determine total flexible budget materials variance : Determine the total flexible budget materials variance for pigment. Indicate whether the variance is favorable or unfavorable and determine the materials price variance and indicate whether the variance is favorable (F) or unfavorable (U).

User Account

All Pages