Explain to convert this into a buffer having a ph

Reference no:

You have 4.507 L of a 0.1572 M H3BO3 (boric acid, Ka = 5.800x10-10) solution. To convert this into a buffer having a pH of 9.3380, how many grams of KH2BO3 (M.W. 99.926) should be added to the solution?

Reference no:

Questions Cloud

Prior service cost and a negligible net loss : The projected benefit obligation was $180 million at the beginning of the year and $192 million at the end of the year. Service cost for the year was $10 million. At the end of the year, there was no prior service cost and a negligible net loss-AOCI...

Who are they and how are they affected : Refer to Bucklin's Process and be sure to include in your answer a discussion of stakeholders-who are they and how are they affected?

What is the rate of return if the machine is installed : A compnay is considering buying a new piece of machinery. The inital cost is $80,000; the end-of-useful-life salvage value is $20,000; annual operating costs are $18,000; and the useful life is 20 years. the machine will produce an annual savings.

What is the associated order policy : It is now the end of a review cycle. You are expecting a previously ordered shippment of 520 units to arrive within a week and you physcally have 493 units on hand. Considering the policy you developed in part A nowo, how many, if any at all, shou..

Explain to convert this into a buffer having a ph : To convert this into a buffer having a pH of 9.3380, how many grams of KH2BO3 (M.W. 99.926) should be added to the solution?

What is the relevance of half filled and completely filled : what is the relevance of half filled and completely filled orbitals in ionisation enthalphy ditermination.

How much social secruity tax did caroline pay : Caroline Krause earned a salary of $1,000,000. (a). How much Social Secruity tax did she pay (b). How much Medicare Tax did she pay (c). What is her marginal tax rateon her federal personal income tax

What are the best and worst case npvs : What are the best and worst case NPVs with these projections? (Do not round intermediate calculations. A negative amount should be indicated by a minus sign. Round your answers to 2 decimal places

Nationalism and international rivalries lead europe to war : What were the efforts toward peace during the early 1900's? How did nationalism and international rivalries lead Europe to War? What were the causes and effects of the European Alliance system?

User Account

All Pages