How many grams of dry nh4cl need to be added to 250 l of a

Assignment Help Chemistry
Reference no: EM13387040

How many grams of dry NH4Cl need to be added to 2.50 L of a 0.100 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 9.00? kb for ammonia is 1.8*10^-5.

Reference no: EM13387040

Questions Cloud

Assume that the kinetic energy of a 1500 kg car moving at : assume that the kinetic energy of a 1500 kg car moving at 150 kmh could be converted entirely into heat. what amount of
Managing conflict is a tremendous challengeopportunity for : managing conflict is a tremendous challengeopportunity for a manager. as one of three executive vice presidents and the
If 60 of heat is added to an aluminum can with a mass of : if 60 of heat is added to an aluminum can with a mass of 17.7 what is its temperature change? specific heat capacity
A mixture of 8249 g of aluminum picture 2698 gmol and : a mixture of 82.49 g of aluminum picture 26.98 gmol and 117.65 g of oxygen picture 32.00 gmol is allowed to react.
How many grams of dry nh4cl need to be added to 250 l of a : how many grams of dry nh4cl need to be added to 2.50 l of a 0.100 m solution of ammonia nh3 to prepare a buffer
The to side of the wall are maintained at constant : a large plane wall has a thicness 2 m thermak conductivity 1.2 wm.c and surface area 15 m. the to side of the wall are
Octane has a density of 0692 gml at 20 degrees celcius how : octane has a density of 0.692 gml at 20 degrees celcius. how many grams of o2 are required to burn 1.50 gal of
A sample of gas is confined to a cylinder housed with a : a sample of gas is confined to a cylinder housed with a movable piston. the gas occupies a volume of 1.8 l at 1.8 atm
Of the five management functions which do you expect will : explain why the four steps involved in the controlling function are important. why is a good understanding of the

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the concentration of cro4 2-

You have 75.0 mL of a 2.50 M solution of Na2CrO4(aq). You also have 125 mL of a 1.52 M solution of AgNO3(aq). Calculate the concentration of CrO4 2- after the two solutions are mixed together.

  State and complete the synthesis and name the product

Starting with a 5-carbon alcohol, a 6-carbon alcohol, and malonic ester, complete the synthesis and name the product(using the Malonic Ester Synthesis)

  Define the electrode follows the nernst equation

What is the concentration of X when the potential is 0.0490 V? Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.

  Explain a certain first-order reaction has a rate constant

A certain first-order reaction has a rate constant of 3.40×10?3s^-1 . How long will it take for the reactant concentration to drop to 1/8 of its initial value

  Evaluate the binding energy for a mass

The atomic mass of Potassium 39 is 38.96371 AMU. Calculate the binding energy for a mass of this nuclide using 1.008665 AMU for the mass of the neutron, 1.007276 AMU for the mass of the proton, 0.00054858 AMU for the mass of the electron

  Explain how is the rate of disappearance of ozone

How is the rate of disappearance of ozone related to the rate of appearance of oxygen in the following equation: 2 O3 (g) ? 3 O2 (g) (rate expression)

  Calculate the value of ksp

The Solubility of Mg(OH)2 (s) in wataer at a certain temperature is 1.0 x 10^-4 mol/L. Calculate the value of Ksp for Mg(OH)2 (s) at this temperature.

  Compute the ionic strength of a solution

Calculate the ionic strength of a solution that is 0.05 mol/kg in Na3[Fe(CN)6](aq), 0.02 mol/kg NaCl(aq), and 0.03 mol/kg in NaBr(aq).

  The diamond and graphite are two crystalline forms of carbon

Diamond and graphite are two crystalline forms of carbon At 1 atm and 25°C, diamond changes to graphite so slowly that the enthalpy change of the process must be obtained indirectly. Determine deltaH(rxn) for

  Explain contains the enzyme catalase

The reaction H2O2 --> H2O + O2 could be catalyzed by either MnO2 or beef liver, which contains the enzyme catalase. In either case, the catalyst

  Compute the molar mass and molecular formula of the solid

A solution of .601g of the solid in 34.1g of the solvent diphenyl gave a freezing point depression of 1.17 degree celsius. Calculate the molar mass and molecular formula of the solid(k1 for diphenyl is 8.00 degree celsius/m)

  Explain cesium crystal is observed at an angle

When X-rays with ? = 1.937 Å are used, the second-order Bragg reflection from a set of parallel planes in a(n) cesium crystal is observed at an angle

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