What molar ratio of benzoate ion to benzoic acid be required

Assignment Help Chemistry

Reference no: EM13125604

What molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 5.20? [Ka(C6H5COOH) = 6.5 × 10-5]

Reference no: EM13125604

Questions Cloud

Prepare the appropriate journal entries for both lessee : Prepare an amortization schedule(s) describing the pattern of interest over the lease term for the Lessee and the Lessor.

Determine c if the average cost per hour is the same : customer's time is worth $1 per hour and should be accounted for in the model. If customers arrive at a Poisson rate of 10 per hour, then what is the average cost per hour if Mary is hired? if Alice is hired?

Forensic-type fieldwork phase : What is meant by the forensic-type fieldwork phase of an audit?

Can a percent of change be negative : If the current assets in 2010 were 112,004 and in 2009 the current assets were 113,030 the change is -1,026. That would mean the percent of change is -.009%. Is this correct? Can a percent of change be negative? If so, is this the proper way to wr..

What molar ratio of benzoate ion to benzoic acid be required : What molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 5.20? [Ka(C6H5COOH) = 6.5 × 10-5]

Evaluate the alternatives from the perspective of amber : Amber, a publicly held corporation (not a TARP recipient), currently pays its president an annual salary of $900,000. In addition, it contributes $20,000 annually to a defined contribution pension plan for him.

Drag the flask and drop it on the lower half : Drag the flask and drop it on the lower half of the burette to connect them. Open the Data window and click on the flask. Click the Pushpin icon in the blue bar of the Data window to lock its display to the flask's contents.

Determining square roots of matrix : Let A be a positive definite matrix. Show that X has a unique positive square root. That is, show that there exists a unique positive matrix X such that X^2 =A.

External-reporting purposes : In the United States, about one in every four companies uses variable costing for internal reporting purposes. These companies must make adjustments to these reports for external-reporting purposes. Explain.

User Account

All Pages