Evaluate the absorbanc for the buffered

Assignment Help Chemistry
Reference no: EM13524133

The molar concentration of the indicator HIn (Ka= 4.8x10 -6 )and its conjugate base In- at 450 were determined as ?In-= 2.06x104 , respectively. Calculate the absorbanc (b=1.00cm) for the buffered(pH=6.00) having total indicator concentration of 2.00 x 10-5

Reference no: EM13524133

Questions Cloud

Did behavioral contrast effects occur in this study : Did behavioral contrast effects occur in this study - What could you have done differently to plan for any unwanted effects ahead of time?
Explain method for he trace spectrophotometric analysis : The standard addition method for he trace spectrophotometric analysis of iron is based on dilution of the sample to 500 ml in volumetric flask. two 25 ml samples of this solution are taken
Find the field outside the plates on either side : Two large, flat metal plates are separated by a distance that is very small compared to their height and width. Find the field outside the plates on either side
Write a balanced chemical equation : A 1.80-g sample of phenol (C6H5OH) was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/°C. The temperature of the calorimeter plus contents increased from 21.36°C to 26.37°C. Write a balanced chemical equation for the bomb ca..
Evaluate the absorbanc for the buffered : The molar concentration of the indicator HIn (Ka= 4.8x10 -6 )and its conjugate base In- at 450 were determined as ?In-= 2.06x104 , respectively. Calculate the absorbanc (b=1.00cm) for the buffered(pH=6.00) having total indicator concentration of 2..
Evaluate the velocity of the car : a car is traveling due north at 19.3m/s. find the velocity of the car after 7.03 s if its acceleration is 1.30m/s^2 due north
Analyze ethical issues related to doing a business research : Analyze ethical issues related to doing a business research and determine the impact of ethical issues on researcher decisions.
Calculate the electrode potential of hydrogen electrode : Calculate the electrode potential of hydrogen electrode at standard temperature if the electrode is immersed into acidic solution with pH = 2.85 and the partial pressure of hydrogen gas p(H2) = 0.73 atm.
Define excess aqueous hydrochloric acid : Excess aqueous Hydrochloric acid was added to a 0.415 gram sample of an alloy of aluminum and copper.the aluminum dissolved, evolving hydrogen gas, while the copper, remained inert. 436 ml of gaseous hydrogen was collected over water at 24.6 degre..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what are the necessary features of a calorimeters

you will need to construct a calorimeter to complete this project. what are the necessary features of a calorimeters. please answers have to be related to chemistry and specifically to this experiment.

  Compute the maximum concentration of fluoride ion

Calculate the maximum concentration of fluoride ion that could be present in hard water. Assume the only anion present that will precipitate is the calcium ion. (CaF2(s) Ksp,25C=4.0x10^-11)

  Compute the difference in ph

The pH of 0.5 M formic acic, HCOOH, is 2.02. Calculate the difference in pH when 6.42 g of HCOONa is added to 390.9 mL of 0.50 M formic acid. Ignore any changes in volume.

  Osmium has a density of 226 gcm3 what volume would be

osmium has a density of 22.6 gcm3. what volume would be occupied by a 21.8 g sample of

  A solution of sulphide ct10-6m is blended into a 04m

a solution of sulphide ct10-6m is blended into a 0.4m sodium chloride solution in a closed container. plot a pc-ph

  What is the new pressure

An ideal gas is in a cylinder with a volume of 250.0 mL at a temperature of 25 ºC and a  pressure of 700 torr. The gas is expanded to a volume of 1.0 L and the temperature increased  to 500 ºC.

  A student dissolves two moles of mgno32 into a beaker of

a student dissolves two moles of mgno32 into a beaker of water. how many nitrate ions are present in the

  Define sample of a compound containing barium and oxygen

A 1.245 gram sample of a compound containing barium and oxygen was dissolved in hydrochloric acid to give a solution of barium ion, which was then completely precipitated out with an excess potassium chromate to give 2.012 grams of barium chromate..

  Explain the voltaic cell and half cell components

describe the voltaic cell and half cell components and write the shorthand notation for the following oxidation-reduction reactions: a)Mn(s)+Sn^2+(aq)>Mn^2+(aq)+Sn(s) b) Ni(s)+2Ag^+(aq)>Ni^2+(aq)+2Ag(s)

  Compute the ionic strength of naoh

Calculate the ionic strength of (a) 0.0061 M NaOH (b) 0.0005 M La(IO3)3 Assume complete dissociation at this low concentration and no hydrolysis reaction to form LaOH2.

  Compute the mass of kclo decomposed

Calculate the mass of KClO3 decomposed. The vapor pressure of water at 28 °C is 28.3 mmHg. (Hint: The gases collected are a mixture of oxygen and water vapor

  State gaseous indium dihydride is formed from the elements

Gaseous indium dihydride is formed from the elements at elevated temperature: In(g)+H2(g) (reactions goes both ways=double arrow) to InH2(g) with Kp=1.48 at 973 K

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