What is the concentration of nh4+
The pKb of ammonia solution, NH3(aq) is 4.76. A buffer solution contains NH4Cl and NH3, has a pH of 9.45, and a total ammonia concentration (all forms) of 0.400 M. What is the concentration of NH4+?(Hint: [NH4+] + [NH3] = 0.400 M)
Expected delivery within 24 Hours
Arrange the following compounds in order of increasing reactivity toward attack of a Grignard reagent. Explain the basis for your decision, making use of mechanisms where needed.
What magnitude of current is required to produce 1.1 kg of sodium metal in one hour?
Calculate the concentrations of Fe3+, SCN -, and FeSCN2+ in a solution that is initially 3.0 M FeSCN2+.
Why is it unwise to begin addition of the solution of methyl benzoate to the Grignard reagent before the latter has cooled to room temperature and then been placed in an ice-water bath?
The pKb of ammonia solution, NH3(aq) is 4.76. A buffer solution contains NH4Cl and NH3, has a pH of 9.45, and a total ammonia concentration (all forms) of 0.400 M. What is the concentration of NH4+?
A 420 N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 90-N rod as indicated in the figure below. The left end the rod is supported by a hinge and the right end is supported by a thin cab
What are the steps to writing a precipitate reaction with lead(II) nitrate and potassium chromate
A solution containing 29.50{mg} of an unknown protein per 20.0{mL} solution was found to have an osmotic pressure of 3.70{torr} at 24 degree Celsius. What is the molar mass of the protein?
How can a company like CarMax, which faces significant challenges during a recession, use the FAME method to communicate with its employees?
1961110
Questions Asked
3,689
Active Tutors
1433201
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What is the proposed mechanism of action of the medication(s)? Why might this be appropriate for the patients?
What specific methods or tools will you use to gather objective data about the strengths and weaknesses of the Richmond West community
What are the personal and/or communal ethical factors that may be involved in determining the moral position of either side in that debate?
Watch the video clip below. Describe the social, political, cultural, and environmental factors influencing poverty.
SELECT ONE of the following topics, introduce your peers to the subject, and explain how the community health nurse can assist with risk reduction
1. What are your nursing experiences with persons with substance use disorder (SUD)? 2. Discuss the universal screening tools for Substance Use disorder?
Community health nurses play an important role in risk reduction and providing care for victims of sexual abuse.