Determine the concentration ratio of methyl red

Assignment Help Chemistry
Reference no: EM13162666

Methyl red is a common acid-base indicator. It has a Ka equal to 6.310-6. Its undissociated form is red and its anionic form is yellow. What color would a methyl red solution have at pH = 7.0 ? Show your calculations. Hint: Determine the concentration ratio of methyl red and its conjugate.

Reference no: EM13162666

Questions Cloud

What is the formula of the hydrate : a 1.628 gram sample of a hydrate of magnesium iodide is heated until all of the water is removed. its mass is now 1.072 grams. what is the formula of the hydrate?
Calculate the change in enthaply : A calorimetry experiment determined that the combustion of 1.01 g of H2 reacting with excess O2 producing H2O gave q=143 kJ. Calculate the change in enthaply.
Calculate the activation energy of reaction : Calculate the activation energy of this reaction in kJ/mol At what temperature would the half-life be 12.0 min?
What mass of does the tank contain : Consider a steel tank whose volume is 65.0 and which contains gas at a pressure of 16500 at 21.What mass of does the tank contain?
Determine the concentration ratio of methyl red : Its undissociated form is red and its anionic form is yellow. What color would a methyl red solution have at pH = 7.0 ? Show your calculations. Hint: Determine the concentration ratio of methyl red and its conjugate.
Calculate the molarity of the following solution : Determine how many grams of the following solutes would be needed to make 550 mL of a 0.700 M solution.
Compute the zero-point energy of a harmonic oscillator : Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force
What is the the molar composition of the products : What is the the molar composition of the products when a stream of CH4 is combusted with 5% excess air if you have 1600 moles per hour of methane being fed into the reactor
Explain the tridentate iminodiacetate ligand : Consider the coordination of Cu2+ by the tridentate iminodiacetate ligand, HN(CH2CO2-)2, abbreviated A2-. When the monoprotonated form

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the pressure of substance at 295 k.

at constant volume, the initial pressure of a substance is 0.63 atm and the initial temperature is 283 k.calculate the pressure of the substance at 295 k.

  Explain how are the opposing pathways of glycolysis

How are the opposing pathways of glycolysis and gluconeogenesis prevented from extensive

  Formal charge of zero

The formal charge on the P atom is zero and It is best described with three resonance structures.

  Explain infared spectroscopy

Im really confused about spectroscopy and need an introduction on what it is and what these types of problems mean.

  How many grams of ko2 are needed

how many grams of KO2 are needed to produce 180.0 L of O2 at 18.0 C and 1.00 atm

  How many moles each of na+ and cl- are in saline soln

A physiological saline solution contains 154mEq/L each of Na+ and Cl-. How many moles each of Na+ and Cl- are in 0.600L of the saline solution?

  Describe how a calibration curve could be used

Explain how a calibration curve could be used to determine an unknown quantity

  Calculate the concentration of solution after dilution

Would it be a good idea for a person to take a couple of aspirin tablets before attending a cocktail party? Explain your reasoning. This needs to be from a chemistry stand point.

  Compute the heat evolved from a mixture

Calculate the heat evolved from a mixture of 14.6 L of sulfur dioxide at 1 atm and 294 K and 15 g of oxygen if the following reaction occurs: 2 SO2(g) + O2(g) ?? 2 SO3(g) ?H? = ?198 kJ

  What is the value for w for this reaction

A chemical reaction takes place in a container of cross-sectional area 100 cm2. As a result of the reaction, a piston is pushed out through 21 cm against an external pressure of 534 torr.

  What is the identity of the precipitate

A solution contains 0.021 M Cl? and 0.017 M I?. A solution containing copper (I) ions is added to selectively precipitate one of the ions. At what concentration of copper (I) ion will a precipitate begin to form? What is the identity of t..

  What is the mass percent of mgco3·3h2o

A mixture of MgCO3 and MgCO3·3H2O has a mass of 3.057 g. After heating to drive off all the water the mass is 2.790 g. What is the mass percent of MgCO3·3H2O in the mixture.

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