Explain prepare a buffer solution that has a ph

Assignment Help Chemistry
Reference no: EM13248612

How many grams of dry NH_4Cl need to be added to 2.10 L of a 0.700 M solution of ammonia, NH_3, to prepare a buffer solution that has a pH of 8.79? K_b for ammonia is 1.8 times 10^{-5}.

Reference no: EM13248612

Questions Cloud

Identify two key components of service system quality : Identify two key components of service system quality. Explain why these components are particularly important to service system quality (when compared to manufacturing system quality).
What did carlos ghosn and nissan do in order manage global : What did Carlos Ghosn and Nissan do in order to manage global financial risk and why?
Calculate the maximum value of the resistor : Assume the existence of the following Java GUI application. There are two text fields for user input. The first JTextField variable is named res1 and is used to input a resistance value in ohms. The second JTextField variable named tol is used to ..
State a technician in a large pharmaceutical research firm : As a technician in a large pharmaceutical research firm, you need to produce 200 mL of 1.00 M a phosphate buffer solution of pH = 7.06. The pKa of H_2PO_4}^- is 7.21. You have 2.00 L of 1.00 M KH_2PO_4 solution and 1.50 L of 1.00 M K_2HPO_4 soluti..
Explain prepare a buffer solution that has a ph : How many grams of dry NH_4Cl need to be added to 2.10 L of a 0.700 M solution of ammonia, NH_3, to prepare a buffer solution that has a pH of 8.79? K_b for ammonia is 1.8 times 10^{-5}.
Define and explain the term authority : Define and explain the term authority, and discuss the bases of authority. How does authority differ from power? Explain how people or departments within organizations can gain power through control of resources and through solving key organizatio..
Explain potassium phosphate buffer solution of ph : As a technician in a large pharmaceutical research firm, you need to produce 400 mL of 1.00 M potassium phosphate buffer solution of pH = 7.29. The pKa of H_2PO_4^- is 7.21.
What is organizational change : What is organizational change? Describe and explain the forces for and resistances to organizational change.
What is your opinion of honda allowed rate : What is your opinion of Honda's allowed rate and the mechanics' performance?

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the required flow rate of air

where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH(standard cubic meters per hour).

  Define energy consumption quantity represent

The use of the British thermal unit (Btu) is common in much enginerring work. (1Btu=1054J). A Btu is the amount of heat required to raise the temperature of 1Ib of water by 1 degree F. How many QUADS of energy does world energy consumption quantit..

  Determine delta h of solution smaller temperature change

experiment to determine delta H of solution, would you expect to get a larger, smaller or identical temperature change? why?

  What is the value of the equilibrium constant for the cell

What is the value of the equilibrium constant for the cell reaction below at 25°C? E°cell = 0.30 V

  Determine the percent yield for reaction

Determine the percent yield for this reaction as N2(g) + 3 H2(g) ? 2 NH3(g)

  Write the expression for the equilibrium constant

Write the expression for the equilibrium constant, Kc, for the following chemical reaction.

  Compute the molar concentration of cu

When exactly 0.500 mL of 0.0287 M Cu(N03)2 was added the signal increased to 37.9 units. Calculate the molar concentration of Cu^2. assuming that the signal was directly proportional to the analyte concentration.

  What weight of steam would be needed

When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.

  What gas comprises the bubbles

In a beaker of boiling water, there are many gas bubbles forming throughtout the liquid. What gas comprises the bubbles.

  Explain transport hydrogen gas in a certain process

A cylindrical steel pipe is used to transport hydrogen gas in a certain process. The density of the hydrogen in the pipe is 5kg/m3 and the density in the environment is effectively zero

  Define thermodynamic properties of urea

Explain the purpose of the "Thermodynamic properties of Urea " Experiment. Also , ca you please tell me any possible sources of error

  Compute the required quantity of reagent

Describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd