Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

Question- A student is presented with a 0.110 M solution of an unknown weak acid. The student measures the pH of that solution and determines a value of 3.25 for the unknown solution. What then, is the Ka of this weak acid? What is the pKa?

I am in hurry anyone is there provide me the answer in quick phase

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M91237315

Have any Question?


Related Questions in Chemistry

Determine the molecular formula of a compound that contains

Determine the molecular formula of a compound that contains 26.7% P, 12.1% N, and 61.2% Cl, and has a molar mass of 580.0 g/mol. Enter chemical formula as is HC2H3O2 as HC2H3O2.

A nutrition facts label on a food package indicates that

A Nutrition Facts label on a food package indicates that one serving contains 2% of the recommended daily allowance (RDA) of iodine. If the serving size is one cup and the RDA for iodine is 0.15 mg per day, calculate the ...

A photon of wavelength 200 nm strikes the surface of a

A photon of wavelength 200 nm strikes the surface of a metal causing an electron to be ejected with kinetic energy of 4.3 x 10-19 J. What was the threshold frequency of the metal?

When the concentration of a in areaction was changed from

When the concentration of A in areaction was changed from 1.20 M to 0.600M, the half -lifeincreased from 3-00min to 6.0 min at 250C. Calculate theorder of reaction and the rate constant.

Cesium-137 has a half-life of 3017 years the first atomic

Cesium-137 has a half-life of 30.17 years. The first atomic explosion at Trinity Site in New Mexico in 1945 generated significant amounts of cesium-137. It has been 73 years since this detonation. What fraction of the ce ...

What is the mass percent of oxygen in manganese iv

What is the mass percent of oxygen in Manganese (IV) phosphate? How many cubic feet (ft 3 ) are 5.14E+08 gallons (gal) of water? The density of water at ambient conditions is 1.000 g/mL

Label each of the following phase changes as either

Label each of the following phase changes as either exothermic or endothermic. i. H 2 O( s ) + heat  H 2 O( l ) (1 point) ii. H 2 O( g )  H 2 O( l ) + heat (1 point)

Explain why the mass of the crucible and anhydrous salt is

Explain why the mass of the crucible and anhydrous salt is less than the mass of the crucible and the hydrate. What is the chemical formula of copper (II) sulfate?

How do the colors seen by the naked eye compare to the

How do the colors seen by the naked eye compare to the emission spectra emitted by the flame

A student weighed out 174 grams of sodium hydroxide pellets

A student weighed out 1.74 grams of sodium hydroxide pellets and added them to 48.0 grams of water in a calorimeter. Extrapolating back to the time of mixing yielded a temperature change at the time of mixing equal to 9. ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As