Supposing the various solutions are used without dilution

Assignment Help Chemistry
Reference no: EM13187307

have available .1 (N) NaOH and .1 solutions N solutions of H2SO4, acetic acid (pk=4.76), lactic acid (pK=3.86), and phosphate (pK=7.2) and ammonium chloride (pK=p.25).

a) Assuming the various solutions are used without dilution with water,how would you prepare 50ml of a buffered medium to keep pH essentially constant at 5.40 in an enzyme experimement in which acid will be produced?

b) If .1 milliequvalent of acid id produced in 50ml reaction mixture by the enzymatic reaction, what will be the final pH of the solution?

Reference no: EM13187307

Questions Cloud

Calculate the population growth rate in the period : The table below presents the populations of Uganda, Ghana, India and Brazil in 2000 and 2010. For each of these countries, calculate the population growth rate in the period. What is the rank of countries with respect to their population growth rat..
Discuss how the new technology works : Discuss how the new technology works, what method or product the new technology is designed to replace, why the new technology is preferable to the old method or product, how this new technology benefits a print media corporation, the public, or both..
State solid copper hydroxide from copper nitrate : Solid copper (II) hydroxide from copper nitrate. First, add 30 mL of 3.0M sodium hydroxide to the solution in the Erlenmeyer Flask.Take a stirring rod and place the end about 1 cm into the solution; then tough the end to a 2 cm piece of red litmus..
Activity diagram for information gathering component : The prototype program should be running without errors throughout the two Phases: Information Gathering and Information Presenting.
Supposing the various solutions are used without dilution : Assuming the various solutions are used without dilution with water,how would you prepare 50ml of a buffered medium to keep pH essentially constant at 5.40 in an enzyme experimement in which acid will be produced?
Environmental issues of database management system : discuss five Indirect or direct environmental issues of database management system. discuss five Positive or negative economic effects of database management system.
Determine loan without interest for four years : The market interest rate is 10 percent and is expected to stay at that level. Explain your choice in each of the following situation: a. Would you prefer $500 gift today or $540 gift next year b. Would you prefer a $100 gift now or $500 loan without..
Compute ph and the concentration of acetate ion : Calculate pH and the concentration of acetate ion resulting from the mixtureof 400ml of 0.1M formic acid and 100ml 0.1 sodium acetate.
Explain chemicals available for crystallization : Chemicals available for crystallization: ethyl ether, 95% ethanol, methanol, isopropyl alcohol, aceton, hexane, toluene and methylene chloride.

Reviews

Write a Review

Chemistry Questions & Answers

  What volume will that gas occupy at stp

a chemical reaction produces 0.884mol of H2S gas. what volume will that gas occupy at STP?

  Why does dropwise addition of acetophenone

Why does dropwise addition of acetophenone to a grignard reagent warrant precautions in lab?

  Explain electrolytic cell of the molten salts- nacl

How to write half reactions what would occur if you made an electrolytic cell of the molten salts: NaCl,

  State what would be the product if dimethyl maleate

What would be the product if dimethyl maleate (cis-MeCCH=CHCO2Me) was heated in the presence of 3-sulfolene?

  What is the molarity of h+

Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.066 moles of sulfuric acid is mixed with water to make 192 mililiter of solution, what is the molarity of H+?

  Gasoline is combusted in car according chemical reaction

Gasoline (assumed to be 100% octane) is combusted in your car according to the following chemical reaction:

  State what is the edge length of the unit cell in nm

Suppose the radius of an atom in a simple cubic unit cell is 0.27 nm. What is the edge length of the unit cell in nm.

  Calculate the molarity of the solution

A sugar syrup solution contains 15.0% by mass of sucrose C12H22O11. The syrup has a density of 1.06 g/ml

  How many grams of glucose of the final solution

How many grams of glucose are in 100. rm mL of the final solution?

  What is the unit cell edge length in pm

Chromium crystallizes in a body-centered cubic lattice (the Cr atoms are at the lattice points only). If the density of the metal is 7.19 g/cm3, what is the unit cell edge length in pm?

  Why does the presence of cfcs in the stratosphere interfere

Under what conditions of pressure and temperature do real gases most closely approximate ideal-gas behavior?

  Find the temperature of the coffee after the ice melts

The heat of fusion of ice(the heat associated with ice melting) is 6.0 kJ/mol. Find the temperature of the coffee after the ice melts.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd