subject

Chemistry, 04.03.2020 00:10 Eltravieso

You determine that it takes 26.0 mL of base to neutralize a sample of your unknown acid solution. The pH of the solution when exactly 13 mL of base had been added was 2.75. You notice that the concentration of the unknown acid was 0.1 M.
a. What are the Ka and the pKa of your unknown acid? (Show work)
b. After finishing your calculations, you discover that the actual concentration of the unknown acid was 0.35 M. How would this affect your calculation of the pKa?

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 08:00

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Answers: 1

question

Chemistry, 22.06.2019 11:20

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

Answers: 2

question

Chemistry, 22.06.2019 17:30

What are the two largest greenhouse gases

Answers: 1

question

Chemistry, 23.06.2019 02:00

Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?

Answers: 2

You know the right answer?

You determine that it takes 26.0 mL of base to neutralize a sample of your unknown acid solution. Th...

Questions

question

Social Studies, 05.08.2019 22:10

Amy, a veteran aba technician who just got certified as an rbt is at the park with one of her clients. she is taking his lead and following him where...

question

Computers and Technology, 05.08.2019 22:10

Abiologic reaction is produced by 4 gyt of a test radiation. it takes 16 gyt of 250-kvp x-rays to produce the same biologic reaction. what is the rela...

question

Mathematics, 05.08.2019 22:10

Consider a binomial experiment with n trials and r successes. to construct a test for a proportion p, what value do we use for the z value of the samp...

question

Spanish, 05.08.2019 22:10

Complete the following sentences: (1) el paciente cuando le pusieron la inyección. (dormía/durmió) (2) las enfermeras miraban el monitor...

question

Social Studies, 05.08.2019 22:10

Purposive sampling means: a. selecting sample members to study because they possess attributes important to understanding a research topic. b. select...

question

Business, 05.08.2019 22:20

Land of many lakes (lml) sells butter to a broker in albert lea, minnesota. because the market for butter is generally considered to be competitive, l...

question

Physics, 05.08.2019 22:20

Galileo's observational contributionsgalileo galilei was the first scientist to perform experiments in order to test his ideas. he was also the first...

question

Chemistry, 05.08.2019 22:20

Consider the combustion of octane, a component of gasoline: c8h18(l)+252o2(g)→8co2(g)+9h2o(g) part a calculate δhrxn for the combustion of octane (c8...

question

Chemistry, 05.08.2019 22:20

Consider the cell described below at 287 k: pb | pb2+ (1.07 m) || fe3+ (2.13 m) | fe given the standard reduction potentials found on the sheet attac...

question

Biology, 05.08.2019 22:20

People who have severed corpus callosum are likely to have difficulty: 1) writing a poem, because the speech area of their brain has been damaged 2)...

question

Chemistry, 05.08.2019 22:20

Consider the chemical reaction below: co + cl2 cocl2 k = 4.6 x 109how do the equilibrium concentration of the reactants compare to the equilibrium con...

question

Physics, 05.08.2019 22:20

You are driving on a slippery road, in a car that does not have anti-lock brakes (abs). if your car starts to skid sideways when you step on the brake...

question

Physics, 05.08.2019 22:20

The spectrum of an excited gas is a series of discrete lines because a. in multielectron atoms, each electron emits a certain, unique wavelength...

question

Law, 05.08.2019 22:20

Illinois marriage and dissolution of marriage act...

question

Mathematics, 05.08.2019 22:20

The function f(x)=−5x2+3f(x)=−5x2+3 is defined over the domain −4< x< −1−4< x< −1. find the range of this function....

question

Mathematics, 05.08.2019 22:20

Rewrite the quadratic function in the form that best reveals the zeros of the function...

question

Mathematics, 05.08.2019 22:20

Mr. mole and bugs bunny started digging their way into the ground from different locations at the same time. they each dug at a constant rate. the fol...

question

Mathematics, 05.08.2019 22:20

Is this set of ratios equal? : 4/7 and 9/13...

question

Health, 05.08.2019 22:20

An alcohol awareness program sponsored by a local police department is an example of a...

question

Health, 05.08.2019 22:20

An alcohol awareness program sponsored by a local police department is an example of a...

More questions: Chemistry Another questions

Questions on the website: 13722367