Explain the best choice for the acid component and why

Reference no: EM13239189

If a chemist wishes to prepare a buffer that will be effective at a pH of 5.0 and 25C, which of the following would be the best choice for the acid component? and WHY?

a. An acid with a ka equal to 6.6 x 10^-6
b. An acid with a ka equal to 1.5 x 10^-11
c. An acid with a ka equal to 5.6 x 10^-8
d. An acid with a ka equal to 5.0 x 10^-10
e. An acid with a ka equal to 8.5 x 10^-5

Reference no: EM13239189

Questions Cloud

Compute the entropy change for the process : The volume of 0.100 mol of helium gas at 27 degree Celsius is increased isothermally from 2.00 L to 5.00 L. Assuming the gas to be ideal, calculate the entropy change for the process.

Calculate the relative return on investment : Calculate the relative return on investment if I want to invest in a company

The gas to be ideal and calculate delta s for the process : The pressure on 0.850 mol of neon gas is increased from 1.25 atm to 2.75 atm at 100 degree Celsius. Assuming the gas to be ideal, calculate delta S for this process.

What is the amount of investment spending in the economy : What is the level of national savings According to the savings-investment spending identity for an open economy, what is the amount of investment spending in this economy

Explain the best choice for the acid component and why : If a chemist wishes to prepare a buffer that will be effective at a pH of 5.0 and 25C, which of the following would be the best choice for the acid component and WHY

By how much should government purchases changes : For simplicity, let's assume that every household has a marginal propensity to consume (MPC) of 0.75. If the government implements a fiscal policy involving its purchases of goods and services, by how much should government purchases

Compute the ph of the buffer when take out from the fridge : you store the buffer in the fridge overnight (4 degrees). Calculate the pH of the buffer when you take it out of the fridge the following morning.

Explain lineweaver burke plot superior to the michaelis : why is the Lineweaver Burke plot superior to the Michaelis- Menton plot for calculation enzyme kinetic values

Find the power loss due to resistance in the line : A high-voltage transmission line with a resistance of 0.30 /km carries a current of 1050 A, What is the power loss due to resistance in the line

User Account

All Pages