Define what is the ph of the same buffer after the addition

Assignment Help Chemistry
Reference no: EM13228743

Calculate the pH of a 1.00L of buffer that is 0.120M HNO2 and 0.180M NaNO2. What is the pH of the same buffer after the addition of 1.00mL of 12.0M HCl. (pKa of HNO2=3.04)

a. Original buffer:

b. after HCl is added:

Reference no: EM13228743

Questions Cloud

Explain solution of the decongestant ephedrine hydrochloride : Calculate the pH of a 1.36x10^-2M solution of the decongestant ephedrine hydrochloride if the pKb of ephedrine (its conjugate base) is 3.86.
Create and write down a standard lp model : create and write down a standard/mathematical LP model and use Excel Solver to find the optimal shipping strategy for Company A, which minimize the total shipping costs.
Calculate the total number of kilobytes : in a given byte-addressable computer, memory location 10000Hto 9FFFFH are avaliable for user programs. the first location is 10000H and the last location is 9FFFFH. calculate the following: the total number of bytes available (in decimal)
Define what is the ph of solution of ascorbic acid : Ascorbic Acid (Vitamin C) is diprotic acid (Ka1= 8.00x10^-5 and Ka2= 1.60x10^-12). What is the pH of a 0.250M solution of ascorbic acid?
Define what is the ph of the same buffer after the addition : Calculate the pH of a 1.00L of buffer that is 0.120M HNO2 and 0.180M NaNO2. What is the pH of the same buffer after the addition of 1.00mL of 12.0M HCl. (pKa of HNO2=3.04)
Koh solution are required to completely neutralize the hcl : How many milliliters of 0.100 mol of KOH solution are needed to completely neutralize the HCl in 300 mL of a hydrochloric acid solution that has a pH of 2.25?
Regain a competitive edge in the global marketplace : Which leadership style might be best suited to each of the three general levels of management within an organization and how do decisions concerning span of management and the use of committees affect organizational structure?
Discuss the legal and ethical issues : Your essay should be 1800 - 2450 words and in APA format. Use at least seven credible sources for your essay#question..
Compute the radius of a barium atom : The atoms in Barium metal are arranged in a body-centered cubic unit cell. Calculate the radius of a Barium atom if the density of barium is 3.5 g/cm3

Reviews

Write a Review

Chemistry Questions & Answers

  Explain and provide a balanced equation for the oxidation

Provide a balanced equation for the oxidation of the following: 2-propanol to acetone by means of Cr2O7-2/H+. Please show all steps to obtain the final balanced equation.

  Explain what is its temperature measured in kelvin

At room temperature a beaker of liquid measures 26 degree C. What is its temperature measured in Kelvin?

  Construct the mo diagram for planar bh3

Construct the MO diagram for planar BH3 and for pyramidal BH3. Based on your MO diagram , why is BH3 planar?

  State the reactants constant in a sn reaction

Suppose we doubled the volume of the solution (by adding more solvent) while keeping the quantities of the reactants constant in a SN1 reaction.

  Explain 2-methyl-2-butene and 2-methyl-1-butene

2-methyl-2-butene and 2-methyl-1-butene with Br2 in CH2Cl2

  Explain and identify organic compounds in medications

identify organic compounds in medications. determine the structure of one active component and identify three functional groups on each molecule.

  Define the skeletal structure of the major organic product

Draw the skeletal structure of the major organic product given that excess NaOD

  Calculate the enthalpy change for the dissolution of nh4no3

Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.

  Standard solutions had an abnormally low absorbace reading

one of the standard solutions had an abnormally low absorbace reading, causing a less positive slop for the data plot. a. Will the equilibrium concrentration of feNCS2+ in the test tube be too high or too low?

  Explain titrations- finding concentration

Titrations: Finding Concentration, A 35.00 mL solution containing an unknown concentration of pyruvic acid required 25.13 mL of 0.2011 M NaOH to reach the end point.

  Define filtration of the hot saturated solution

why is a stemless funnel recommended for filtration of the hot saturated solution? 2. in your buchner funnel, can you use filter paper that is to big for the funnel and curls up around the edges? why?

  Determine the ld50 of sarin

The lethal inhalation dose of sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.

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