Explain molecules or ions that can alternitively behave

Assignment Help Chemistry
Reference no: EM13182447

1. What is the ph of a solution that results from adding 250 ml of .50 m naoh to 750 ml of .50 m hf?

2. What is the ph of a buffer composed of .035 m h2po4 and .65 m hpo4?

3. A buffer is prepared by combining 150 ml of .50 m naoh

And 250 ml of a .75 m weak acid HA. If the ph of the buffer is 5.50 what is the ka of the acid?

4. Molecules or ions that can alternitively behave as either bronsted Lowry acid or base are called?

Reference no: EM13182447

Questions Cloud

Explain the ph of a solution that results from diluting : What is the ph of a solution that results from diluting .30 mol acetic acid and .20 mol sodium acetate with water to a volume
Explain market-index portfolio : Based on current dividend yields and expected capital gains, the expected rates of return on portfolios A and B are 11% and 14%, respectively. The beta of A is .8 while that of B is 1.5. The T-bill rate is currently 6%, while the expected rate o..
State molar concentration of the hydrochloric acid solution : the humidity in the room is high. how will this affect the reported molar concentration of the hydrochloric acid solution? Will it be too high, too low, or unaffected
What happens to the equilibrium quantity : The U.S. government offers significant per unit subsidy payments to U.S. sugar growers. Describe the effects of the introduction of such subsidies on the market for sugar and themarket for artificial sweeteners. Explain whether the demand curve (D..
Explain molecules or ions that can alternitively behave : 1. What is the ph of a solution that results from adding 250 ml of .50 m naoh to 750 ml of .50 m hf? 2. What is the ph of a buffer composed of .035 m h2po4 and .65 m hpo4?
Which adviser was a better selector of individual stocks : Can you tell which adviser was a better selector of individual stocks (aside from the issue of general movements in the market)? If the T-bill rate were 6% and the market return during the period were 14% which adviser would be the superior stock..
Explain peyton mistakenly omitted the starch solution : When doing the kinetic trial, Peyton mistakenly omitted the starch solution from the kinetic trials. How will this omission change the appearance of the resultant solution (from mixing solutions A&B)
Explain when doing the kinetic trials : When doing the kinetic trials, someone mistakenly omitted the Sodium Thiosulfate solution. How will this omission change the appearance
What are the four stages of the product life cycle : What are the four stages of the product life cycle? How does product life cycle stage impact marketing strategy? The effectiveness of different marketing strategies varies according to product life cycle. The stages are listed below, along ..

Reviews

Write a Review

Chemistry Questions & Answers

  Vapor pressure of water at temperature

The temperature in the laboratory was 23°C and the barometric pressure was 621. mm Hg. You will need to look up vapor pressure of water at that temperature. Find the equivalent mass of this metal.

  Define what is the reaction order with respect to chloroform

What is the reaction order with respect to chloroform? What is the reaction order with respect to chlorine.

  What is the molarity of the solution

A solution has a volume of 2.0 L and contains 36.0 g of glucose. If the molar mass of glucose is 180 g/mol, what is the molarity of the solution

  Explain nitric acid is usually purchased in a concentrated

Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density of 1.41 g/mL

  What concentration of ammonia is necessary

Given Ksp {Fe(OH)2}= 1.6x10-14 and Kb(NH3)=1.8X10-5. What concentration of ammonia is necessary to start to precipitate ferrous hydroxide {Fe(OH)2} from a solution of 0.0030M FeCl2

  How could you quickly settle the issue

If, when you are extracting an aqueous solution with an organic solvent, you are uncertain as to which layer in the separatory funnel is aqueous, how could you quickly settle the issue?

  How many grams of o2 are produced

If 500 g of KCIO3, decomposes and produces 303 g of KCl, how many grams of O2 are produced?

  Explain what was the approximate mass of the methane

If the total mass of H2O produced is 22.0 grams, what was the approximate mass of the methane in the original mixture?

  State methanol is produced commercially by the catalyzed

Methanol (CH3OH) is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen: CO(g) + 2H2 (g) (equilibrium) CH3OH(g).

  State acid catalyzed hydrolysis of esters is usually better

acid catalyzed hydrolysis of esters is usually better than base catalyzed hydrolysis. True or False.............2. Borane selectively reduces a carboxylic acid while it leaves an ester alone.

  Describe stock solution of nacl

Describe how you would prepare 500mL of a single solution containing 250mM Tris, 50mM glucose, and 5mM NaCl.

  Determine the boiling point of a solution

Determine the boiling point of a solution of 22.5 g of fructose, C6H12O6 , in 294 g of phenol.

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