Explain dry nh4cl

Assignment Help Chemistry
Reference no: EM13205853

How many grams of dry NH4Cl need to be added to 2.50 L of a 0.700M solution of ammonia, NH3, to prepare a buffer solution that ahs a pH of 8.61? Kb for ammonia is 1.8x10^-5

Reference no: EM13205853

Questions Cloud

Explain trans isomer rather than a cis isomer of chalcone : Using a proton NMR how could you experimentally determine that you have a trans isomer rather than a cis isomer of Chalcone
Compute the ph after the addition of hno3 : B: A 75.0 mL colume of 0.200 M NH3 (Kb=1.8x10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 27.0mL of HNO3.
Has the krona appreciated or depreciated against the dollar : The U.S dollar price of a Swedish krona changes from $.1572 to $.1730. a. Has the dollar depreciated or appreciated against the krona b. Has the krona appreciated or depreciated against the dollar
Compute the ph after addition of naoh : CH3COOH (Ka=1.8x10^-5) was titrated with 0.50 M NaOH. Calculate the pH after addition of 30.0mL of NaOH
Explain dry nh4cl : How many grams of dry NH4Cl need to be added to 2.50 L of a 0.700M solution of ammonia, NH3, to prepare a buffer solution that ahs a pH of 8.61?
What is an attractive feature of the current tax system : Because the structure of the personal income tax is progressive, a larger share of income is taxed at higher rates as real income increases. Therefore, economic growth automatically results in higher taxes unless offsetting legislative action is d..
Calculate the payback period for each machine : Calculate the payback period for each machine, assess Its acceptability, and indicate which machine Is better using the payback period and calculate the net present value (NPV) of each machine, assess Its acceptability, and indicate which machine Is..
Explain pressure changes : The following data apply to 25oC and 100kPa. Assume the specific volume Vs, and Kt are constant with respect to pressure changes. delta G(graph) = 0
What change will americans achieve higher living standards : the composition of the federal budget toward more spending on income transfers and health care and a smaller share for national defense. Does economics indicate that this change will help Americans achieve higher living standards

Reviews

Write a Review

Chemistry Questions & Answers

  Dealing with calcium chloride as opposed to the chemical

Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius

  State a basic solution of luminol is often sprayed

Luminol is so sensitive that it can detect blood that has been diluted 10,000 times. A basic solution of luminol is often sprayed onto surfaces that are suspected of containing minute amounts of blood.

  Write the electron configuration of selenium

Write the electron configuration of selenium. List the following compounds in order of increasing lattice energy: NaCl, NaBr, MgO, CaO.

  Determine the equilibrium concentration of h2s

A reaction mixture initially contains 2.8M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 x 10^-6 ?

  Write the balanced net ionic equation for the reaction

A solid sample containing some Fe 2+ ion weighs 1.062g. It requires 24.12 mL 0.01562 M KMno4 to titrate the Fe2+ in the dissolved sample to a pink end point.

  Explain names of five alkenes having the molecular formula

names of five alkenes having the molecular formula C6H12 that produce hexane on catalytic hydrogenation

  State mechanism for the nitration of bromobenzene

Give a detailed mechanism for the nitration of bromobenzene . As part of your answer explain the regiospecificity

  Calculate the de broglie wavelength

Calculate the de Broglie wavelength for each of the following.a 57 g ball with a velocity of 35. m/s b an electron with a velocity 12% the speed of light.

  What mass of sodium reacted

a sample of sodium reacts complete with 0.497kg of chlorine, forming 819g sodium chloride. what mass of sodium reacted?

  Draw viable lewis structures

Draw viable Lewis structures to illustrate how the element bromine can take part in an ionic bond, a pure covalent bond, and a polar covalent bond.

  In what unit cell does crystallize

Calcium metal has a density of 1.55g/cm3 and crystallizes in a cubic unit cell with an edge length of 558.2pm. a. how many Ca atoms are in one unit cell?

  What color will the cobalt compound appear

If the crystal field splitting (Δo) is 3.44×10-19 J for a cobalt compound, what wavelength of light (in nm) is absorbed when an electron from a lower energy d orbital is promoted to a higher energy d orbital? What color will the cobalt compound ap..

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