Compute the ph naoh

Assignment Help Chemistry
Reference no: EM13166331

A buffer solution is made by mixing 0.102 moles of sodium nitrite (NaNO2) in 1.00 L of 0.125 M nitrous acid (HNO2). Ka= 4.5*10^-4

Calculate the pH when 2.00 mL of 0.0275 M NaOH are added to 50.0 mL of buffer solution.

Reference no: EM13166331

Questions Cloud

Compute the corresponding change : If the equilibrium constant for a one electron redox reaction at 298k is 8.7*10^4, calculate the corresponding change in G and Ecell
Index of the largest fibonacci number : What is the index of the largest Fibonacci number that can be represented exactly as a MATLAB double-precision quantity without roundoff error
Compute the balances of the factory overhead accounts : Journalize the entries to record the operations, identifying each entry by letter. Compute the July 31 balances of the inventory accounts. Compute the July 31 balances of the factory overhead accounts.
What is the molarity of the prepared buffer : Calculate the pH of a solution formed by mixing 250 mL of 0.150 M NaHCO3 with 250 mL of 0.100 M Na2CO3. What is the molarity of the prepared buffer?
Compute the ph naoh : Calculate the pH when 2.00 mL of 0.0275 M NaOH are added to 50.0 mL of buffer solution.
Write a program in java that simulates a simple line editor : Write a program in Java that simulates a simple line editor which supports the following operations
Propose a mechanism for the reaction : Addition of HBr to 1-phenylpropene yield only (1-bromopropyl)benzene. Propose a mechanism for the reaction and explain using resonance structures why none of the other regioisomer is produced?
Define a solution is made by dissolving mols of naocl : A solution is made by dissolving 0.100 mols of NaOCl in 100.0 mL of water. The Ka of hypochlorous acid (HClO) is 3.0*10^-8 at 25.0 degrees C.
Why there are no forward nontree edges : Explain why there are no forward nontree edges with respect to a BFS (breadth-first search) tree constructed for a direct graph.

Reviews

Write a Review

Chemistry Questions & Answers

  At what speed must bullet travel

A lead bullet is fired at a wooden plank. At what speed must bullet travel to melt on impact, if its initial temperature is 25oC and the heating of the plank is neglected.

  How many moles of oxygen were in the sample

An unknown compound contains only carbon, hydrogen, and oxygen. Combustion of 4.00 g of this compound produced 5.87 g of carbon dioxide and 2.40 g of water.

  Why there is a difference bw expected and actual values

What are some reasons why there would be a difference between the expected and actual values for the moles of copper oxide produced from heating copper in the air.

  What is the final temperature of the water-iron mixture

A 26.1 g sample of pure iron at 77°C is dropped into 93 g of water at 17°C. What is the final temperature of the water-iron mixture.

  Calculate the vapour pressure in torr of the compound

The entropy of sublimation of a certain compound is 7.2 J / K mol at its normal sublimation point of 76 C. Calculate the vapour pressure in torr of the compound at 28 C.

  What is the average thickness of the sheet in meters

If a 220 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.3*1.0 ft. , what is the average thickness of the sheet in meters?

  Explain why alcohols such as ethanol are soluble in water

Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble

  What is the maximum volume of gaseous carbon dioxde produced

If 6.46 L of gaseous ethanol reacts with 16.1 L O2, what is the maximum volume of gaseous carbon dioxde produced.

  What is the wavelength (in meters) of a proton

What is the wavelength (in meters) of a proton (mass = 1.673*10^-24 g) that has been accelerated to 30% of the speed of light.

  What is the molarity of a solution

What is the molarity of a solution formed by mixing 20.0 g sulfuric acid with enough water to make 500.0 mL of solution?

  Calculate the total vapor pressure of a mixture

The vapor pressure for methanol and ethanol at 50 C is 406 and 222 Torr, respectively. Calculate the total vapor pressure of a mixture at 50 C that contains 0.2 mol of methanol and 0.1 mol of ethanol.

  How many joules of heat are absorbed

The temperature of a 35.2 g sample of iron increases from 23.7 C to 29.5 C. If the specific heat of iron is 0.450 J/g-K, how many joules of heat are absorbed.

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