Explain what is the concentration of hac

Assignment Help Chemistry
Reference no: EM13193791

a. How many mL of a .1 N solution of NaOH must be added to a 25 mL solution of .1 N HAc to obtain a pH of 9.75? What is the concentration of HAc at this pH

b. Answer the same question with the following changes: [HAc]= .01 N in 25 mL and the normality of the titrant is .02 N. The final pH is 11.00

Reference no: EM13193791

Questions Cloud

Define the termpublic policy : What problems are associated with formulating crime policy based on crime perceptions rather than crime reality? On what characteristics must crime policy be based?
State net ionic equation for the neutralization reaction : Write a net ionic equation for the neutralization reaction of CH3CO2H(aq) with CsOH(aq). 2. Which of the following compounds is an Arrhenius base in water?
To calculate the firm''s total revenues change : You are the manager of a firm that receives revenues of $40,000 per year from product X and $90,000 per year from product Y.
Use the quadratic formula : A rocket is launched from atop a 95-foot cliff with an initial velocity of 119 ft/s.
Explain what is the concentration of hac : How many mL of a .1 N solution of NaOH must be added to a 25 mL solution of .1 N HAc to obtain a pH of 9.75? What is the concentration of HAc at this pH
Analyze the codes of conduct : Prepare a recommended list of at least 7 essential elements that must be included in your organization's code of conduct based on your analysis and assessment.
Find the dimensions of the corral with maximum area : Suppose that 646 ft of fencing is used to enclose a corral in the shape of a rectangle with a semicircle whose diameter is a side of the rectangle. Find the dimensions of the corral with maximum area (in terms of x and y)
What is the speed of the current : a boat can travel 124 mph in still water. if it travels 203 miles with the current in the same length of time it travels 133 miles against the current, what is the speed of the current?
Define what is the molar mass of pma : The stock solution is 500 ?g/mL and you want to obtain a final concentration of 1?M. What volume of the stock solution do you need to make 10 milliliters of the 1 ?M solution? Also: What is the molar mass of PMA?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what is its half life

Its activation energy is 262 kJ/mol. At 477 celcius its half life is 5 minutes. What is its half life at 527 celcius (in seconds)?

  State the pressure throughout the system

Both stopcocks are opened. The pressure throughout the system is 33.5 mmHg. How many moles of N2 are in the system? How many moles of CO2 are in the system?

  Explain what are the composition of the liquid

A mixture of heptane/decane at 1.8 bar, 120?C contains 80% by mol heptane. At what pressure should it be flashed to obtain a stream that is 90% rich in heptane? What are the composition of the liquid and the amounts of the two phases?

  Explain what was the original total concentration of cesium

what was the original total concentration of cesium and the corresponding radioactivity in Ci/L?

  What is the mass of the steel bar

85.0 mL of H2O is initially at room temperature (22. 0C). A chilled steel rod at 2.0 C is placed in the water. If the final temperature of the system is 21. 0C

  How many molecules of actin can a muscle cell hold

How many molecules of actin can a muscle cell hold. Given: cell is spherical and has no other components with a diameter of 50 micrometers. Diameter of actin is 3.8 nanometers.

  Make use of modified form of the clausius-clapeyron equation

Use the modified form of the Clausius-Clapeyron equation to estimate the boiling point of water at 24.0 torr pressure

  State titration analysis involving a titrant and titrand

Provide the following information for a titration analysis involving a titrant and titrand, where the titrand is a weak, diprotic acid (Ka1 = 1.00 x 10-4; Ka2 = 1.00 x 10-8; Vol=0.01000 L; FH2A=0.1000 M) and the titrant is a strong monoprotic base..

  What is an example of a hypothesis testing

what is an example of a hypothesis testing for the percentage of ethanoic acid in vinegar? Give me examples of hypotheses and how to test them. thanks :)

  What will be the volume of the gas sample

A gas sample has an original volume of 800 ml when collected at 710 mm and 30°C. What will be the volume of the gas sample if the pressure increases to 780 mm and the temperature increases to 35°C?

  What mass of iron would be required to cover a football

Iron has a density of 7.87 g/cm3. What mass of iron would be required to cover a football playing surface of 120 yds × 60 yds to a depth of 10 mm? (1 inch = 2.54 cm; 1 lb = 453.6 g)

  State how long in hours would this current

How long (in hours) would this current have to be applied to plate out 8.90 g of nickel?

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