User Account

All Pages

Explain the ph at each of the following points

Assignment Help Chemistry
Reference no: EM13519275

A 25 mL sample of 0.200M NH3 was titrated with 0.200M HCl. Calculate the pH at each of the following points in the titration: 0.0 mL acid added; 10.0mL acid added;20.0 mL added;25.0 mL acid added;30.0 mL acid added

Kb =1.8 x10-5

Ka=3.63x10-13

Reference no: EM13519275

Questions Cloud

Explain what is the concentration of cu2+ at equilibrium : A .25-mole quantity of CuSO4 is added to a liter of 1.0 M NH3 solution. What is the concentration of Cu2+ at equilibrium. [The formation constant for Cu(NH3)4 is Kf=5.0e13]
What is the root mean square of the electric field of wave : An electromagnetic wave has an electric field amplitude of 318 V/m. What is the root mean square of the electric field of the wave
Set up a schedule showing the net receipts or payments : Set up a schedule showing the net receipts or payments for Leeson - why would Leeson enter into a strategy of this type and has Leeson benefited from this transaction?
What is the instantaneous electric field strength of wave : An electromagnetic wave in a vacuum has an instantaneous magnetic field strength of 0.000000740 T at a certain point. What is the instantaneous electric field strength of the wave
Explain the ph at each of the following points : A 25 mL sample of 0.200M NH3 was titrated with 0.200M HCl. Calculate the pH at each of the following points in the titration: 0.0 mL acid added; 10.0mL acid added;20.0 mL added;25.0 mL acid added;30.0 mL acid added
What is the argument for use of brightline tests : Identify where bright-lines currently exist in the statement of financial position, areas in which we might expect revisions in the future. What is the argument for use of brightline tests?
Determine the speed of the second particle : Two particles are created in a high-energy accelerator and move off in opposite directions. What is the speed of the second particle, as measured in the laboratory
Explain the acetic acid bottle was empty : When the unknown was treated with 3M (NH4)2CO3 solution a white precipitate formed. Because the acetic acid bottle was empty , the student used 6M HCl to dissolve the precipitate
What is the intensity of sun light on the noon : he sun radiate a power of 3.9 x 10 ^ 26 watt in space . The earth orbits around the sun of radius of 1.5 x 10 ^11 m, What is the intensity of sun light on the noon time at the equation on the winter days

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the concentration of hydrogen gas

H2 and Cl2 combine to form HCl. In a gas phase equilibrium mixture of H2, Cl2, and HCl at 300 K, [HCl] = 0.0036 mol/L and [Cl2] = 0.00485 mol/L.

  Explain what limits the spatial resolution of an afm

In STM, atomic defects such as missing atoms can be resolved, but not in AFM. What limits the spatial resolution of an AFM experiment

  Define the natural chemistry

Compare the natural chemistry that takes place in the environment with the chemistry that takes place due to man made factor like pollution.

  What is the new volume of the gas

When a 2.3L sample of hydrogen gas at 25oC is heated to 120oC at constant pressure, what is the new volume of the gas?

  Explain naf is mixed with ba(no3)2 precipitate form

The Ksp for BaF2 is 2.4 x 10-5. When 10 mL of 0.01 M NaF is mixed with 10 mL of 0.01 M Ba(NO3)2, will a precipitate form

  Sodium reacts with hydrogen gas how many grams of sodium

sodium reacts with hydrogen gas. how many grams of sodium are needed to react with 2.50 l of hydrogen measured at stp?

  What is the pressure of the dry gas

a 155ml volume of oxygen gas is collected over water at 23 degrees celsius and a barometric pressure of 770mm. the gas weighs 0.185 grams. what is the pressure of the dry gas?

  Explain when iron is dissolved in an oxidizing agent

When iron is dissolved in an oxidizing agent, such as sulfuric acid, Fe(II) or Fe(III) will be formed?

  Find out the composition by mass of the pewter

Titration of the lead and zinc in this aliquot required 34.06 mL of the EDTA solution. Finally, cyanide was used to mask the copper and the zinc in a 25.00 mL aliquot. Titration of the lead required 26.68 mL of the EDTA solution. Determine the com..

  How much heat would be released

If a bottle of nail polish remover contains 176 mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788g/mL.

  Explain selective electrode change if the electrode

By how many volts will the potential of an ideal Mg+2 ion selective electrode change if the electrode is removed from a 1 x 10-4 M MgCl2 solution and replaced with a 1 x 10-2 M MgCl2 solution

  Explain the atomic weight of hydrogen and the atomic weight

The atomic weight of hydrogen is 1 and the atomic weight of oxygen is 16. To produce 72 grams of water how many grams of hydrogen and how many grams of oxygen do you use

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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