What is the ration of the concentrations of h2po4- and, Ask an Expert

Academics

What is the ration of the concentrations of H2PO4- and HPO42- at (a) pH 7.0; (b) pH 7.5; (c) pH 8.0?

Supposedly the pKa is 7.21 and the answers I calculated using the Henderson-Hasselbalch equation and my results were not the same as the back of the book answer.

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M91038971

Have any Question?Write your Review or question?

Related Questions in Chemistry

When 356 g of an unknown hydrocarbon was dissolved in 125 g

When 3.56 g of an unknown hydrocarbon was dissolved in 125 g of benzene, the freezing pointof the solution was found to be 4.41oC. Analysis of thehydrocarbon showed that it contained 93.71% carbon (by mass) and6.29% hydr ...

A chemist adds 3700 ml of a 0371m barium acetate bac2h3o22

A chemist adds 370.0 mL of a 0.371M barium acetate (Ba(C2H3O2)2) solution to a reaction flask. Calculate the millimoles of barium acetate the chemist has added to the flask. Round your answer to 3 significant digits.

What would an increase in the metal wire mass indicate when

What would an increase in the metal wire mass indicate when the metal wire starts to form copper on it from a chemical reaction from 6M HCl and copper (II) sulfate pentahydrate? What would a decrease in the metal wire ma ...

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)

A 0235g sample of a solid is 925 naoh and 75 caoh2 by mass

A 0.235g sample of a solid is 92.5% NaOH and 7.5% Ca(OH)2, by mass requires 45.6mL of a HCl solution for its titration. What is HCl molarity?

Please attach sourceswebsites used if any thanksdetermine

Please attach sources.websites used if any. Thanks! Determine the mass of chlorine in the original sample (39.096g) as the difference in mass between the anhydrous sample (38.585g) and the mass of copper. From the mass o ...

To standardize a solution of naoh one uses a primary

To standardize a solution of NaOH, one uses a primary standard called potassium hydrogen phthalate (KHP for short). It is a monoprotic acid that can be obtained extremely pure and dried to a constant weigh out 0.556g of ...

What is the chemical name for s6o and what is the chemical

What is the chemical name for S6O and what is the chemical name for S7O2?

Calculate the volume of 60m naoh solution that you would

Calculate the volume of 6.0M NaOH solution that you would need to prepare 500mL of a .15M NaOH solution. (formula weight of NaOH = 40.00g/m)

What is the density in gml of a ball that has a mass of 221

What is the density in g/mL of a ball that has a mass of 22.1 ounces and a diameter of 2.04 inches? Will it float if placed in a bucket of water? The answer is "no." Please can you help me Provide the calculations to pro ...

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

Recent Questions

Ask Chemistry Expert