Evaluate the ka for the acid

Assignment Help Chemistry
Reference no: EM13228904

Enough of a monoprotic acid is dissolved in water to produce a 0.0197 M solution. The PH of the resulting solution is 6.41. Calculate the Ka for the acid.

Reference no: EM13228904

Questions Cloud

Is lynn a risk seeker or a risk avoider : (a) Which route will minimize Lynn's expected travel time? (b) Which route will maximize Lynn's utility? (c) When it comes to travel time, is Lynn a risk seeker or a risk avoider?
Explain the alpha fractions of the species of glutamic acid : Write simplified expressions in terms of [H+] and Kas and (with insignificant terms removed) for the alpha fractions of the following species of glutamic acid
What are some of the supply chian risk management tools : which ones, in your opinion, are the most difficult to overcome? 2. describe the major sources of supply base risk. what are some of the supply chian risk management tools available to avoid or mitigate supply chain risk?
Analyse and discuss differences between closing a project : Analyse and discuss the differences between closing a project that has met its objectives and closing one that was terminated early.
Evaluate the ka for the acid : Enough of a monoprotic acid is dissolved in water to produce a 0.0197 M solution. The PH of the resulting solution is 6.41. Calculate the Ka for the acid.
Explain the ammonia diffused from the soil : From the number if moles of ammonia calculated in part (a - below) determine the number of micrograms of mitrogen per gram of dry soil. Assum you have 2.753 f of soil and all of the ammonia diffused from the soil.
How to indicate that whether overflow occurs : A computer has a word length of 8 bits including sign. A= 10101011, B = 01101111 are 2's complement numbers. Perform the following operations and indicate whether overflow occurs: (2p) (a) A+B (2p) (b) A-B (2p) Give the decimal values of A and B
Compute the ph of the solution made by adding propanoic acid : Calculate the pH of the solution made by adding 0.50 mol of propanoic acid, (C2H5COOH or HC3H5O2) and 0.30 mol of sodium propanoate (C2H5COONa or NaC3H5CO2) to 1.00 L of water. The value of Ka for C2H5COOH is 1.3 x 10^-5.
What should he input for the seasonal factors : Unfortunately, Herman has not kept any historical data, but he estimates that first- quarter demand for the lights is about 30 percent below average, the second quarter demand about 20 percent below average, third-quarter demand about average, and..

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate its molar heat of vaporization

The vapor pressure of dichloromethane, rm CH_2Cl_2, at 0 rm ^{circ}C is 134 rm mmHg. The normal boiling point of dichloromethane is 40. rm ^C. Calculate its molar heat of vaporization.

  What was the initial concentration

A zero-order reaction has a constant rate of 1.70×10-4 . If after 65.0 seconds the concentration has dropped to 7.00×10-2 , what was the initial concentration?

  State the benzene-toluene system obeys raoult''s law

The benzene-toluene system obeys Raoult's law because benzene and toluene molecules have similar shapes and electronic structures

  How much heat will be given off

The equation for the combustion of acetone is: 2 C3H6O + 8 O2 ---> 6 H2O + 6 CO2 + 852.6 kcal How much heat will be given off if 0.87 mol of acetone is completely burned?

  What is the mass of the gas

You have a 1 L. container of a gas O2 at 20 degrees celcius and 1 atm. subtracting the weight of the container, what is the mass of the gas?

  What is the molality of a solution

What is the molality of a solution that is composed of 265 g of acetone ((CH3)2CO) dissolved in 177 g of water.

  Calculate the volume the gas will occupy

A fixed quantity of gas at 24 C exhibits a pressure of 745 torr and occupies a volume of 4.40 L. Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is held constant.

  What volumen of base will it take to reach equivalence point

A 36.3 ml aliquot of 0.0529 M H2SO4 (aq) is to titrated with 0.0411 M NaOH (aq) What volumen (ml) of base will it take to reach the equivalence point

  What is the pka for the acid

what is the PKa for the acid HA if a solution of 0.65 m and 0.85 M NaA has a PH 4.75

  What mass is grams of potassium chloride is produced

what mass is grams of potassium chloride is produced if 100. g of potassium chlorate decompose according to the following equation? 2KClO3>>> 2KCl+3O2

  State the equilibiurm constant kc for the reaction

The equilibiurm constant Kc for the reaction below is 4,2 at 1650 degrees Celcius. H2(g)+CO2(g)---->H2O(g)+CO(g). Initially 0.80 mol H2 and 0.08 mol CO2 are injected into a 5.0-L flask

  What is the total vapor pressure

What is the total vapor pressure 4 at 20° C of a liquid solution containing 0.30 mole fraction benzene, C6H6, and 0.70 mole fraction toluene, C6H5CH3? Assume that Raoult's law holds for each component of the solution.

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