Calculate the concentrations of a and b in the mixture

Assignment Help Chemistry
Reference no: EM131430150

A mixture contains two species (A and B) with the following molar absorptivities:ελ [M-1·cm-1]λ [nm] A B479 2 290 4 170533 1 730 3 540 The measured absorbance of the mixture in a 1.00 cm cell was 0.400 at 479 nm and0.315 at 533 nm. Calculate the concentrations of A and B in the mixture.

Reference no: EM131430150

Questions Cloud

What is the smallest possible size (in bytes) for the frame : Suppose you have a system with an 8 inch by 10 inch video screen that can display 100 pixels per inch. If a color lookup table with 64 positions is used with this system what is the smallest possible size (in bytes) for the frame buffer?
Analyze the disciplinary content in its own context : Analyze the disciplinary content in its own context and in relationship to the issues, questions, and positions of other disciplines. Compare and contrast differences and similarities among the disciplines in terms of central concerns, values, met..
Discuss the spending amount annually by cohort as a group : Spending amount annually by cohort as a group; saving patterns of this age group, etc.Product development for this age cohort: what product(s) would you recommendbe created for this group.Marketing (advertising and sales promotion) approaches to be ..
Which is factor in competing in market of foreign countries : Which one of the following is not a factor in competing in the markets of foreign countries? Which of the following statements concerning the effects of fluctuating exchange rates on companies competing in foreign markets is true?
Calculate the concentrations of a and b in the mixture : A mixture contains two species (A and B) with the following molar absorptivities:ελ [M-1·cm-1]λ [nm] A B479 2 290 4 170533 1 730 3 540 The measured absorbance of the mixture in a 1.00 cm cell was 0.400 at 479 nm and0.315 at 533 nm. Calculate the c..
Display a bar graph in any specified screen area : Input is to include the data set, labeling for the coordinate axes, and the coordinates for the screen area The data set is to be scaled to fit the designated screen area, and the bars are to br displayed in designated colors or patterns.
Discuss how given fact may affect your conclusions : Some student-athletes may be reluctant to provide this kind of information, even in a survey where there is no possibility that they can be identified. Discuss how this fact may affect your conclusions.
Determine the ka for the butanoic acid solution : A solution of butanoic acid is prepared from 0.067 mol of butanoic acid in sufficient water to give 1.0 L of solution and has a pH of 2.72.  Determine the Ka for the butanoic acid solution.
Standard temperature and pressure conditions : Methane (CH4) behaves as an ideal gas under standard temperature and pressure conditions. What volume is occupied by 1 kg of methane at a temperature of 35 °C and a pressure of 0.9 atm?

Reviews

Write a Review

Chemistry Questions & Answers

  The propane fuel used in gas barbeques burns

Question- The propane fuel (C3H8) used in gas barbeques burns according to the following thermochemical equation-

  Explain what is the percent zn in the mixture

what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)

  What is the value of delta h for the combustion reaction

The temperature of the calorimeter rose from 25C to 33.73C. If the heat capacity of the calorimeter was 9,630 J/C, what is the value of delta H for the combustion reaction in KJ/mol.

  Explain a living organism has an activity

Carbon-14 has a half-life of 5730 yrs. A living organism has an activity of 15.2 counts per minute (cpm) per gram of carbon. If a bone is determined to have an activity of 3.80 cpm per gram of carbon, how old is the bone

  What volume does it occupy at stp

The volume of a sample of hydrogen is 798mL and it exerts 621mmHg pressure at 5.00C. what volume does it occupy at standard temperature and pressure.

  Explain what was the relative rate of reaction

A student studied the clock reaction described in this experiment. She set up Reaction Mixture 2 by mixing 20 mL of 0.010 M KI, 10 mL 0.001 M Na2S2O3, 10 mL 0.040 M KBrO3, and 10 mL 0.10 M HCl using the procedure given. It took about 45 seconds fo..

  Calculate the volume of the gas

A sample of neon gas used in a neon sign occupies a volume of 1.50 L at a pressure of 630 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 793 torr.

  Calculate the number of moles of nahco3

Calculate the number of moles of NaHCO3 that reacted in each beaker. (The molar ratio between evolved CO2 and the bicarbonate is 1:1.

  An aluminum cup contains 225 g of water and a 40 g copper

an aluminum cup contains 225 g of water and a 40 g copper stirrer all at 27degc. a 420 g sample of silver at an initial

  Explain tap water in making up the solvent mixture

Question- Why would you not want to use tap water in making up the solvent mixture (HCI + acetone) or rinsing out the beaker

  Explain what are the molar h3o+ and oh- concentrations

At 25 degrees C, what are the molar H3O+ and OH- concentrations in (e) 0.200 M NaOCl? (f) 0.0860 M CH3CH2COONa

  What is the impact of a catalyst on the rate and

what is the impact of a catalyst on the rate and equilibrium of a general chemical

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