subject
Chemistry, 23.04.2021 19:30 Wolfzbayne

A solid weak acid is weighed, dissolved in water and diluted to exactly 50.00 ml. 25.00 ml of the solution is taken out and is titrated to a neutral endpoint with 0.10 M NaOH. The titrated portion is then mixed with the remaining untitrated portion and the pH of the mixture is measured. Mass of acid weighed out (grams) 0.771 Volume of NaOH required to reach endpoint: (ml) 18.17 pH of the mixture (half neutralized solution) 3.6 Calculate the following 1) What is the pKa of the acid

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 14:30
Urea, co(nh2)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. what is the maximum mass of urea that can be manufactured from the co2 produced by combustion of 1.00 x 104 grams of co2?
Answers: 1
question
Chemistry, 22.06.2019 05:50
What are transitions between a liquid and a solid called? identify which way they are transitioning
Answers: 2
question
Chemistry, 22.06.2019 12:20
Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
question
Chemistry, 22.06.2019 23:30
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
You know the right answer?
A solid weak acid is weighed, dissolved in water and diluted to exactly 50.00 ml. 25.00 ml of the so...
Questions
question
Mathematics, 26.01.2021 05:50
question
Mathematics, 26.01.2021 05:50
question
History, 26.01.2021 05:50
question
Mathematics, 26.01.2021 05:50
question
Mathematics, 26.01.2021 05:50
Questions on the website: 13722361