Calculate the ph of a buffer formed

Assignment Help Chemistry
Reference no: EM13146289

Calculate the pH of a buffer formed by mixing 95 mL of 0.13 M lactic acid with 85 mL of 0.15 M sodium lactate.

Reference no: EM13146289

Questions Cloud

Spend on security analysis : You are an investment manager who is currently managing assets worth $6 billion. You believe that active management of your fund could generate between an additional one tenth of one percent return on the portfolio. If you want to make sure your a..
Calculate the number of grams of acetic acid : calculate the number of grams of acetic acid per 10ml of the vinegar. Since vinegar has a density of about 1.00 gram/ml, 100 ml eighs about 100 g.
Draw the shape of the molecules and the orbital geometry : draw the shape of the molecules and give the orbital geometry around the central atom; the molecular geometry; and give the hybridization state
Perform five-step hypothesis test on data pertaining : Formulate both a numerical and verbal hypothesis statement regarding your research issue. Perform the five-step hypothesis test on data pertaining to your selection.
Calculate the ph of a buffer formed : Calculate the pH of a buffer formed by mixing 95 mL of 0.13 M lactic acid with 85 mL of 0.15 M sodium lactate.
“money market” debt instruments and “capital market” debt : Describe the difference between “money market” debt instruments and “capital market” debt instruments, and provide at least 2 examples of each type. Hint: See chapter 2 of the text.
One-half of retirement savings : You can tax shelter only one-half of your retirement savings. You want to invest one-half of your savings in bonds and one-half in stocks. How much of the bonds and how much of the stocks should you allocate to the tax sheltered investment?
Write the rate law for the reaction : the decomposition of N2O5 in carbon tetrachloride proceeds as follows: 2 N2O5 -> 4 NO2 + O2. The rate law is first order in N2O5. At 64 degree celcius the rate constant is 4.82 x 10^ 3 s ^ -1.
Why a score on the act test is better : Scores on the ACT test have a mean of 21.1 and a standard deviation of 4.8. which is relatively better: a score of 1840 on he SAT or a score of 26.0 on the ACT test? why?

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the number or calories of heat energy required

Calculate the number or calories of heat energy required for warming 34.6g of water from 18.9 celsius to 29.9 celsius

  How long will it take for the partial pressure

If a 2.5 L reaction vessel initially contains 725 torr of cyclopropane at 485C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr?

  How many moles of water are produced

When ethanol burns C2H5OH + 3O2 ==> 2CO2 + 3H2O , how many moles of water are produced as 48.380 moles of carbon dioxide are produced.

  How many milligrams of hydrazoic acid must be in soln

how many milligrams of hydrazoic acid ( ka= 1.9x10^-5) must be in a 5.0-L solution that has a pH of 4.90?

  Write lewis structures for reactants

Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps.

  Calculate the ph

A 20.0 ml sample of 0.200 M Hbr solution is titrated with 0.200M of NaOH solution. Calculate the pH after 16 ml of NaOH has been added.

  What is the molecular formula of didemnin a

In 1978, scientists extracted a compound with antitumor and antivirus properties from marine animals in the Caribbean Sea. A sample of the compound didemnin-A

  How much energy in joules would be absorbed

The density of liquid oxygen at its boiling point is 1.14 {kg/L} , and its heat of vaporization is 213 {kJ/kg} . How much energy in joules would be absorbed by 2.0 L of liquid oxygen as it vaporized? Express your answer numerically in joules.

  Write equations to show how nitronium ions sulfuric acids

Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids

  Calculate the diameter of a round swimming pool

A. Epinephrine, C9H13NO3, has a concentration of 10-10 M in circulating blood. Calculate the diameter of a round swimming pool with a water depth of 2.0 M that would be needed to dissolve 1.0 g (about a teaspoon) of epinephrine.

  What is the boyle temperature of methane

The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K

  What is the final concentration

75.0 mL of a 1.80 M solution is diluted to a volume of 258 mL. A 129-mL portion of that solution is diluted using 187 mL of water.

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