Answers
![pH = pka + dog [NazH POG) and [H₂PO4 PH = 6:55 pka = 7.2 [H3PO4) = 0.23M pH = pka + log In [MazhPou] [H₂PO4] 6:55 = 7.2 + lou](http://img.homeworklib.com/questions/026f3f90-709e-11ea-9f75-a742681652bd.png?x-oss-process=image/resize,w_560)
pH = pka + dog [NazH POG) and [H₂PO4 PH = 6:55 pka = 7.2 [H3PO4) = 0.23M pH = pka + log In [MazhPou] [H₂PO4] 6:55 = 7.2 + lou (Na2HPO4. [0.23] doo [Na₂Hpoy] = 0.65 dog 17023] dog [Na, 4t P06] – log (0:23) = 0.65 dog [Naz HP04] + 0.638 = 0.65 dog [Naz HP04] = 0.65-0.638 = 0.012 [Muz HPO4) = 4:02M So, molecular mass of Na2HPO4 = 141.95g mail . 141.95 g of [Naz HPO4] is required. Note : нем и Каи Рka vш и 7:2. Becatku Pursh buften system reaction - H3PO, Ht+ H2 pou - t + Hpon ut+pour 1 pk4, 22:2 Pkaz=7.2 p pk az = 1241 Pka = 7-2
.
Similar Solved Questions
1 answer
How do you find the asymptotes for #f(x)=x/(4x^2+7x-2)#?
How do you find the asymptotes for #f(x)=x/(4x^2+7x-2)#?...
1 answer
(5) 1 . Assume you have a sample of radioactive material that emits both α and γ radiation. Descr...
(5) 1 . Assume you have a sample of radioactive material that emits both α and γ radiation. Describe how you could study the y radiation without interference from the a radiation. (5) 2. Your own body is responsible for about 20% of the average yearly radiation dose that an average Ameri...
1 answer
Irections Read this arti ID: A Class: áth Grade Mid Winter Recess Packet Show Your Work...
irections Read this arti ID: A Class: áth Grade Mid Winter Recess Packet Show Your Work Monday 1. Determine if the relationship represents a function. Explain 2. Determine wbether the function is linear or non-linear Rx)x+I): Rewrite the function using the distributive property, then explain ...
2 answers
Spinning a wheel, the probability of landing in area A is .99 probability of landing in area B is .01. In 60 spins what is the probability of landing in area B?
Spinning a wheel, the probability of landing in area A is .99 probability of landing in area B is .01. In 60 spins what is the probability of landing in area B?...
1 answer
Westmore MBA Program The MBA program at Westmore University has undergone several dramatic changes over the past five years. During this time, the goal of the business school was to recruit as many st...
Westmore MBA Program The MBA program at Westmore University has undergone several dramatic changes over the past five years. During this time, the goal of the business school was to recruit as many students as possible into the MBA program in order to build up their student base and credit hour prod...
1 answer
Please define these terms in a psychoanalytic concept (in the most simple way possible) and provide...
Please define these terms in a psychoanalytic concept (in the most simple way possible) and provide an example. 1. Projection- 2. Sexuality- ...
1 answer
A corporation has 14,000 shares of 13%, $104 par noncumulative preferred stock outstanding and 22,000 shares...
A corporation has 14,000 shares of 13%, $104 par noncumulative preferred stock outstanding and 22,000 shares of no-par common stock outstanding. At the end of the current year, the corporation declares a dividend of $220,000. What is the dividend per share f...
1 answer
In an atom, an electron jumps from an energy level of n = 5 to an...
In an atom, an electron jumps from an energy level of n = 5 to an energy level of n = 2. During this process, a photon was emitted by the atom. a photon was absorbed by the atom. a proton was emitted by the atom. a proton was absorbed by the atom. Now, compare the energy either emitted or absorbed b...
1 answer
Please help!! Give the product of the bimolecular elimination from each of the following isomeric halogenated...
please help!! Give the product of the bimolecular elimination from each of the following isomeric halogenated compour ou + HOIBU -Br One of these compounds undergoes elimination 50x faster than the other. Which one and why? There is additional feedback available! rmation needed for elimination Inco...
1 answer
Academic Assignment (week 1) CHM-1033 Student's Name: 1. A substance that have the same composition and properties...
Academic Assignment (week 1) CHM-1033 Student's Name: 1. A substance that have the same composition and properties wherever found is called 2. Which of the following is not a chemical? a. salt b. water c. light d. carbon dioxide e, sugar f. copper 3. A bag of gumdrops contains 16 orange gumdrops...
1 answer
Choose the one of question and answer at least 200 words describe well plz NOT JUST...
choose the one of question and answer at least 200 words describe well plz NOT JUST COPY FROM ONLINE!!!! 1. List three ways in which professional work differs from nonprofessional work. 2. Why is it important for professionals to attend professional conferences and read the professional literature?...
1 answer
How do you solve #-\frac{4}{7}v=-8\frac{2}{3}#?
How do you solve #-\frac{4}{7}v=-8\frac{2}{3}#?...
1 answer
Linear algebra do both drawing in part A and B 2. Consider the set and let...
linear algebra do both drawing in part A and B 2. Consider the set and let addition and scalar multiplication be the standard operations on vectors in R2 (a) State a specific numerical example that shows that V is not closed under vector addition, then draw a sketch for your example, shading th...
1 answer
Which one of the following compounds is consistent with the following IR spectrum? % Transmittance turum...
Which one of the following compounds is consistent with the following IR spectrum? % Transmittance turum 08077 1500 Ποόο soo Wavenumber (cm) H I Ο Ι II Ο Ο Ο Ο Ο III IV O v If the frequency of vibration for a C-F bond corre...
1 answer
M and let f : Iml-Ik] be a surjective map. Show that Σ,f()s mik-()s (":1). 2....
m and let f : Iml-Ik] be a surjective map. Show that Σ,f()s mik-()s (":1). 2. Let 1 k m+1...
1 answer
Draw the missing curved arrow notation for the bimolecular elimination (E2) step shown below. Include all...
Draw the missing curved arrow notation for the bimolecular elimination (E2) step shown below. Include all lone pairs and nonzero formal charges. V 1st attempt . See Periodic Table D See Hint Draw the missing curved arrow notation for the bimolecular elimination (E2) step shown below....
1 answer
All of the statements below are not false, except: 1. Changes in interest rates represent a risk for both bor...
All of the statements below are not false, except: 1. Changes in interest rates represent a risk for both borrowers and investors because of diminishing investment prospects and increased cost of borrowing; II. Failure to pay accounts receivable on time by customers may have a significant negative i...