March 25, 2017

Post a New Question

Number of results: 93,741

Physical Sciences
I have a project practical investigation to do and I have no idea how to go about with it. The problem is: Calculate the mass of sodium hydroxide used to prepare a 0,5M NaOH solution in a 250ml volumetric flask. Determine the concentration of the acetic acid solution used (...
August 10, 2012 by Cindy

In a group 1 analysis, a student adds hydrochloric acid to the unknown solution to make [Cl-] = 0.15 M. Some PbCl2 precipitates. Calculate the concentration of Pb2+ remaining in solutions.
November 22, 2014 by fatima

the titration of 25.0 mL of a 0.040 M aqueous solution of maleic acid C2H2(COOH)2, with aqueous 0.10 M NaOH solution. For maleic acid, Ka1 = 0.013 and Ka2 = 8.5 x 10-7 How many milliliters of the 0.10 M NaOH solution are needed to completely react all the maleic acid in 25.0 ...
June 30, 2013 by sue

A solution buffered at a pH of 5.00 is needed in an experiment. Can we use acetic acid and sodium acetate to make it? If so, how many moles of NaC2H3O2 must be added to a 1.0L of a solution that contains 1.0 mol HC2H3O2 to prepare the buffer. The Ka of acetic acid is 1.8x10^-5...
June 20, 2014 by Veronica

Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats. * In a combustion analysis, a 1.054-\rm g sample of maleic acid yields 1.599 \rm g of \rm CO_2 and 0.327 \rm g of \rm H_2O. * When 0.609 \rm g of ...
April 24, 2012 by Shelby

chemistry HELP!
Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution: a solution that is 0.170 M in HC2H3O2 and 0.105 M in KC2H3O2
December 15, 2010 by Lisa

college algebra
a chemist needs to prepare 28 ounces of a 8% hydrochloric acid solution. find the amount of 14% solution and the amount of 7% solution he should mix to get this solution.
April 20, 2015 by anna

1.) Watch the animation, and observe the titration process using a standard 0.100 M sodium hydroxide solution to titrate 50.0 mL of a 0.100 M hydrochloric acid solution. Identify which of the following statements regarding acid-base titrations are correct Drag items A-F to: ...
November 19, 2015 by LuigiR

acids and bases
Give the formula of the conjugate base of each of the following acids: a.) citric acid b.)oxalic acid c.)dihydrogen phosphate ion d.)phenol
November 8, 2010 by jj reddick

College Chemistry
an iron ore sample was dissolved in Hydrochloric acid the iron was obtained as Fe2+. The solution was titrated with 41.08 mL of a 0.458 M solution of Ce+. Calculate the mass of iron in the original ore sample.
October 16, 2010 by Laura

AP Chemistry
A mixture of aluminum and zinc metal is used in 2 experiments described below: A- A 1.7 gram sample of the mixture is reacted with excess hydrochloric acid and the resulting hydrogen gas is collected over water. The reaction takes place at 750 mm Hg atmospheric pressure and ...
April 3, 2011 by Kate

what is the molarity of a sodium hydroxide solution if 26.0mL of the solution os titrated to the end point with 57.5mL of a 0.500M hydrochloric acid solution
March 8, 2013 by casey

Using the tables of enthalpies of formation and entropies of formation, estimate the boiling point for the following liquid: methanol (CH3OH), ethanol (C2H5OH) and acetic acid (CH3COOH). compare to their tabled boiling points. how would i go about working this question? table ...
October 7, 2007 by John

25 mL of standardized 0.45 mol/L NaOH is titrated with 21 mL of 0.35 mol/L acetic acid. Calculate the pH of the solution
April 9, 2008 by unknown

2. When preparing a NaOH solution, a student did not allow the NaOH pellets to completely dissolve before standardizing the solution with KHP. However, by the time the student refilled the buret with NaOH to titrate the acetic acid, the remaining NaOH pellets had ...
March 24, 2014 by anonymous

complete table for the following equation 2x+y=9 x y -3 1 4 5 -1
February 19, 2017 by sofia

The ΔH per mole of CaCl2 is -81.0 kJ. Calculate the final temperature of an aqueous solution if 30 g of CaCl2 are added to 100 g of water at 23oC. Assume that the specific heat of the solution is the same as that of water
October 7, 2010 by Felicia

chemistry(PLease Help)
An aqueous solution contains 0.223 M carbonic acid and 0.112 M hydrobromic acid. Calculate the carbonate ion concentration in this solution. [CO32-] = mol/L. Can you please help me how to solve this problem?
April 25, 2012 by Rick

Help in Chemistry!!
You are given an aqueous solution of hydrofluoric acid. (Recall that hydrofluoric acid is a weak acid; When you are given an aqueous solution of a weak acid you always assume that the dissociation reaction of the acid in water has reached equilibrium) Predict whether the ...
November 26, 2011 by Mary

Qualitative analysis
Aqueous sodium hydroxide is added to a mixture of an aqueous solution of X with some aluminium alloy. On warming, ammonia gas is evolved. When X is treated with aqueous ammonia, a white precipitate that is soluble in excess aqueous ammonia is obtained. What could be the ...
November 17, 2016 by Cheezel

250-mL volumetric flask, 125 mL of a 6.0 M hydrochloric acid was added. This was then diluted with more water to reach the 250-mL mark. What is the molarity of the acid at this time? Initial: M1 = 6.0 M hydrochloric acid V1 = 125 mL = 0.125 L Diluted: M2 = ? M hydrochloric ...
February 8, 2008 by Kally

Using the tables of enthalpies of formation and entropies of formation, estimate the boiling point for the following liquid: methanol (CH3OH), ethanol (C2H5OH) and acetic acid (CH3COOH). compare to their tabled boiling points. how would i go about working this question? table ...
October 7, 2007 by John

a titration experiment 20 mL solution of hydrochloric acid required 15.2mL of a .879 M barium hydroxide solution. What was the molar concentration of the HCl solution?
October 11, 2011 by Chris

calculate the volume of 0.050 acetic acid needed to prepare 4.0 L of aceic acid solution with a PH of 3.80 L=
December 2, 2011 by saud

calculate the volume of 0.080 acetic acid needed to prepare 4.0 L of aceic acid solution with a PH of 4.00 L=
December 3, 2011 by saud

Calculate the freezing point depression of an aqueous solution prepared by mixing 22.0 g C6H12O6, with 600 ml of water
February 20, 2012 by Kristen

Chemistry(Please help)
Calculate the pH of an aqueous solution of 0.15 M potassium carbonate. I know that pH = -log(H30+) but I am not sure how to start this problem.
April 14, 2012 by Hannah

Chemistry(Please help)
Calculate the concentration of HC6H6O6- in an aqueous solution of 0.0851 M ascorbic acid, H2C6H6O6 (aq). I do not know how to start this
April 15, 2012 by Hannah

calculate the mass in mg of solid chromium nitrate needed to make 250 ml of an aqueous solution with a pH OF 4.00. The Ka of [cr(H2O)6]+3 IS 1.0*10-4.
September 15, 2014 by ashok

How would you prepare 150.0 mL of a 0.200 M aqueous solution of potassium chloride from a 0.500 M aqueous solution of potassium chloride?
November 21, 2010 by Kiesha

chemistry 1046
Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution. a solution that is 0.266 M in CH3NH2 and 0.134 M in CH3NH3Br. Kb = 4.4e-4
July 3, 2012 by Anonymous

Convert the information described below into balanced equation: (a) When a mixture of copper(II) oxide and carbon is heated, elemental copper forms and carbon monoxide evolves into the atmosphere. (b) When a concentrated solution of sodium hydroxide is added to an aqueous ...
March 12, 2017 by Dan

the concentration of aluminium sulfate in an aqueous solution at certain temperature is 2.7x10^-8 mol/l a) calculate Ksp for this salt at this temperature should i assume it is in a saturated solution and just use the given concentration?
April 5, 2010 by fe

A 100.0mL solution containing aqueous HCl and HBr was titrated with 0.1290M NaOH. The volume of base required to neutralize the acid was 47.56mL. Aqueous AgNO3 was then added to precipitate the Cl- and Br- ions as AgCl and AgBr. The mass of the silver halides obtained was 0....
November 19, 2012 by Melia

Acetic acid is a polar molecule and can form hydrogen bonds with water molecules. Therefore, it has high solubility in water. Yet acetic acid is also soluble in benzene (C6H6), a nonpolar solvent that lacks the ability to form hydrogen bonds. A solution of 3.8g of CH3COOH in ...
February 17, 2012 by James

A buffer is made by mixing 52.1 mL of 0.122 M acetic acid with 46.1 mL of 0.182 M sodium acetate. Calculate the pH of this solution at 25 degrees C after the addition of 5.82 mL of 0.125 M NaOH
May 1, 2010 by Chemistry Problem

Which of the following is a nonelectrolyte? a) C3 H8 (propane gas) b) H2 SO (sulfuric acid) c) HCL (hydrochloric acid) d) HNO 3 (nitric acid) e) NaCL (table salt)
May 1, 2008 by Nathaly

Calculate the PH concentrated hydrochloric acid if this solution is 24.8% HCL by weight and has a density of 1.16g/ml. I do not understand the right answer 0.90PH Why? Please help My calculation 1.18g/ml x 1000ml x 0.248/36.5 = 7.8M I cannot do?
July 29, 2012 by Fai

Calculate the number of moles in each of the following: 0.150 g of salicylic acid 0.30 mL of acetic anhydride (density = 1.08 g/mL)
February 24, 2012 by Pat

Physical chemistry 2
50 ml of 0.02M acetic acid is titrated with 0.1M NaOH.Calculate the pH of the solution when 10ml of NaOH is added
March 12, 2013 by Anonymous

Human Biology
Why can phosphorus-32 be used to detect the presence of nucleic acids, but not amino acids? Nucleic acids contain the phosphorus atom, but amino acids do not.
January 1, 2007 by Jen

General Chemistry
Vinegar is a 5.0% solution by weight of acetic acid in water. Given that the pH for vinegar is 2.41 and that Ka= 1.8E-5 and the density s 1.00g/mL, what is the percent dissociation of acetic acid in vinegar? I know the % dissociation equals the amount which did dissociate 5.0%...
February 27, 2008 by Matt

Commercial vinegar was titrated with NaOH solution to determine the content of acetic acid, HC2H3O2. For 20.0 milliliters of the vinegar 26.7 milliliters of 0.600-molar NaOH solution was required. What was the concentration of acetic acid in the vinegar if no other acid was ...
May 23, 2007 by Sarah

******* Please check. Also check sig figs. Ion Concentrations 1.) A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water...
October 25, 2013 by Anonymous

HOBr (aq) <----> H+ (aq) + OBr- (aq), Ka = 2.3 x 10^-9 Hypobromous acid, HOBr, is a weak acid that dissociates in water, as represented by the equation. (a) Calculate the value of [H+] in a solution of HOBr that has a pH of 4.95. Ans: 1.1 * 10^-5 M (b) Write the ...
April 10, 2012 by Confused

How many milliliters of a 3.00 M solution of hydrochloric acid are needed to completely react with 25.0 g of zinc sulfide according to the chemical reaction shown below? ZnS(s) + 2HCl(aq) ? ZnCl2(aq) + H2S(l) (Answer to three significant digits.) _____ mL of 3.00 M ...
December 28, 2011 by joe walker

1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ...
January 10, 2017 by David

write word equations and balanced chemical equations for each of the following reactions: a)calcium bicarbonate reacts with hydrochloric acid. b)magnesium hydroxide reacts with hydrochloric acid. c)Aluminum hydroxide reacts with hydrochloric acid.
June 22, 2016 by Adivhaho

A teacher prepares a saturated NaCli solution at 55 Degree C. What is the % by mass 9m/m0 of this solution? what is the concentration of this solution expressed in ppm? What is the molality of this solution? If the density of the solution is 1.07 g/ml, what is the % m/v of ...
March 21, 2007 by nancy

calculate the isoelectric point of each of the following amino acids: glutamic acid, serine, histidine, lysine, tyrosine, and arginine
October 25, 2010 by nicole

Analytical Chemistry
A 22.617 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 70.407 g of water. A 10.883 g aliquot of this solution is then titrated with 0.1072 M HCl. It required 29.32 mL of the HCl solution to reach the methyl red ...
February 28, 2013 by Sam

Suppose you were asked to determine the exact acetic acid concentration in an acetic acid solution that was about 50% acid?
November 4, 2010 by Myisha

Given that the pKa for Acetic Acid is 4.77, calculate the expected pH of the buffer solutions using the Henderson-Hasselbalch equation and the concentrations of Acetic Acid and Acetate added to the 250 ml Erlenmeyer flask
March 18, 2011 by M_Joe

Calculate the volume 0.1 M of acetic acid and 0.1 M sodium acetate required to prepare 300 mL of 0.05 M acetate buffer solution at pH 5.5.
October 26, 2015 by Anonymous

What volume of a 5.0% (v/v) Acetic Acid solution will contain 40.mL of Acetic Acid?
April 12, 2016 by Michaela

Calculate the molality of acetone in an aqueous solution with a mole fraction for ace- tone of 0.171. Answer in units of m
September 16, 2012 by cheri

The pH of a 0.164 M aqueous solution of dimethylamine is 11.98. Write the ionization equation, calculate the values of Kb and pKa and comment on strength of the
September 27, 2013 by nica

Calculate the mass of anhydrous sodium carbonate Na2Co3 required to prepare 2.5 litres of 0.50M aqueous solution.(Na=23,C=12,O=16)
September 29, 2015 by sharon

Assuming that the total volume does not change after 0.200 g of KCl is added to 1.0 L of a saturated aqueous solution of AgCl, calculate the number of moles of Ag+ ion in the solution after equilibrium has been reestablished. For AgCl, Ksp = 1.8 × 10¯10
November 16, 2011 by Stacy

How do I do this problem, I am very confused on how to even begin: An aqueous solution contains 0.167 M ascorbic acid (H2C6H6O6) and 0.194 M hydroiodic acid. Calculate the ascorbate (C6H6O62-) ion concentration in this solution. [C6H6O62-] =? mol/L.
April 28, 2012 by Dan

A buffer contains 5.00 M acetic acid and 5.00 M acetate anion. Gaseous HCl (0.010 mole) is added to 1.00 L of this buffer solution (the total volume does not change). For this buffer solution, the initial pH is_______and the final pH after the addition of the HCl gas is_______...
May 2, 2010 by Ivana

a patient receives 250 mL of a 4.0% (m/v) amino acid solution twice a day. a) how many grams of amino acids are in 250mL of solution? b) how many grams of amino acids does the patient receive in one day? For a) I came up w/10g and for b) I came up w/ 20g in 1 day. Is this ...
May 4, 2011 by Connie

Buffer Solution
You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 93 mL of 1.00 M NaOH solution?
April 13, 2011 by Nicole

Consider 100g of 5.5% (mass) solution of NaNO3. Complete the following table, before calculating molarity, molality and mole fraction of NaNO3. Solute(NaNO3)|Solvent(H2O|Soln Mass(g) 100g Moles ---- RefInfo 85g/mol 18.02g/mol Density=1.00g/mol (This goes under "soln" as ...
March 3, 2011 by Kate

What are the solute particles present in aqueous solutions of each compound? (Select all that apply.) acetic acid
January 9, 2011 by Anonymous

When an aqueous solution of sodium hydroxide, NaOH, is added to an aqueous solution of chromium(III) nitrate, Cr(NO3)3, a precipitate of chromium(III) hydroxide, Cr(OH)3, forms. Write a balanced net ionic equation for this reaction.
March 1, 2016 by Tina

An aqueous solution of calcium chloride contains 2 g of calcium chloride (molar mass 110.98 g mol-1) in 100 ml. Calculate the concentration of chloride ion in the solution any help their
January 20, 2009 by Slaysliver

What is the PH of a solution that results from mixing together equal volumes of a 0.150 M Solution of acetic acid and a 0.0750 M solution of sodium hydroxide?
March 30, 2010 by Ginger29

how do you do this question An aqueous solution of calcium chloride contains 2 grams of calcium chloride ( molar mass 110.98 g mol-1) in 100 ml calculate the concentration of chloride ion (Cl-) in the solution
January 22, 2009 by Slaysliver

How do you calculate the following: Starting with a liter of 1M sodium acetate (pka of acetic acid = 4.75 ), calculate the number of moles of strong acid or strong base needed to make a pH buffer effective at pH = 4.o ? Thank you!
June 29, 2011 by Maria

A 2% solution of Hydrochloric acid is required for a procedure. A 5% solution is availabe. How much of the 5% solution will be required to make 1 L of solution?
April 14, 2009 by Jessi

Help --->Chemistry
1) Complete and balance the following chemical reactins: 2HCI(aq)+Pb(NO3)2(aq)---> 2HI(aq)+K2SO3(s)---> Pb(NO3)2(aq)+2KCI(aq)---> Ba(NO3)2(aq)+Na2SO4(aq)---> K2CO3(aq)+Ba(NO3)2(aq)---> HCI(aq)+AgNO3(aq)---> 2) How could you separate gold from a mixture of ...
February 26, 2012 by melek

Prepare 500mL of a 0.200 M acetate buffer at pH 4.90 using only pure acetic acid, 3M NaOH, and water. 1) Add acetic acid to ~400mL of water in a 500 mL beaker. How many grams of acetic acid are needed? 2)Add 3 M NaOH solution until pH is 4.90. What volume of NaOH is needed? (...
September 5, 2011 by Ryn

Five (5.00) grams of glucose, C6H12)6, is dissolved in 500.0 grams of acetic acid. What is the new freezing point and boiling point for the solution? Kf acetic acid = 3.90, Kb acetic acid = 3.07 (normal freezing point for acetic acid = 16.60 dg C, boiling point = 118.5 dg C) f...
August 9, 2007 by lana

From the following: 1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of CaCl2 Choose the one with the largest van't Hoff factor and hence the lowest freezing point.
February 9, 2010 by CC

From the following: 1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of CaCl2 Choose the one with the largest van't Hoff factor and hence the lowest freezing point.
February 9, 2010 by CC

How much of each solution will you need to mix to obtain 100 – 120 ml of 20 mM buffer pH 4.0? A. 35 ml sodium acetate + 90 ml acetic acid B. 100 ml sodium acetate + 16 ml acetic acid C. 16 ml sodium acetate + 100 ml acetic acid D. 90 ml sodium acetate + 35 ml acetic acid
September 12, 2014 by saraly

If 0.60 mg of KCl is present in 3.0 L of aqueous solution, what is the concentration in terms of the following?
July 25, 2010 by Norma

1.000 g of bronze was dissolved in the mixture of acids. The solution was transferred into 100 ml volumetric flask and filled to the mark. 10 ml aliquote of this solution was transferred into another 100 ml flask and diluted to the mark. 10 ml of the resulting solution was ...
September 16, 2016 by EMEKA

1- the vinegar soltion sold in the store is about 5% acetic acid. Assuming that the solution has a density of 1.01 g/mL, calculate the pH of vinegar.
May 20, 2013 by JOJO

Given that the density of the supplied vinegar solution in this experiment is 1.025 g/mL, calculate the % acetic acid found in the vinegar sample.
April 15, 2014 by john

in an experiment 5.00ml of 0.1440 mol L^1- aqueos KIO3 was reacted with an excess of aqueous iodide and the molecular iodine I2, Formed was titrated against 0.1000mol L^1- aqueous S2O3^2- the equation for the titration reaction is: I2(aq)+ 2 S2O3^2-(aq)---->S4O6^2-(aq)+ 2I...
November 17, 2011 by Yulieth

25ml of a solution of na2c03 having a specific gravity of 1.25g ml required 32.9ml of a solution of hcl containing 109.5g of the acid per litre for complete neutralization. Calculate the volume of 0.84N Hes04 that will be completely neutralized by 125g of nac03 solution The ...
February 16, 2013 by Fai

Titration was used to determine the molarity of acetic acid in vinegar. A primary standard solution of KHP was used to standardize the NaOH. 1. When performing this experiment, impure KHP was used to standardize the NaOH solution. If the impurity is neither acidic or basic, ...
March 11, 2014 by Sandy

The quantity of antimony in an ore can be determined by an oxidation-reduction titration with an oxidizing agent. The ore is dissolved in hot, concentrated acid and passed over a reducing agent so that all the antimony is in the form Sb3 (aq). The Sb3 (aq) is completely ...
February 24, 2012 by Katie

Alyssa is a chemist with Gemco Pharmaceutical Company. She needs to prepare 12 ounces of 9% hydrochloric acid solution. The only solution she currently has available are 4% and 12% hydrocholoric acid. How much should she use of each solution to obtain the needed solution.
March 9, 2011 by John

Calculate the hydrogen ion concentration and the pH of each of the following solutions of strong acids. (a) 0.00010 M HCl if you could just explain how to do this that would be great! thanks
March 23, 2009 by lyne

An aqueous KNO3 solution is made using 72.5 grams of KNO3 diluted to a total solution volume of 2.00 liters. If the molarity of the solution is .359 M and the molality of the solution is .354, what is the mass percent of the solution?
February 19, 2012 by Adam

Organic Chemistry
calculate how much of 10% aqueous sodium carbonate would be required to neutralize the solution (This is during the preparation of benzocaine)
April 3, 2012 by Emma

Caprytic acid, also called octanoic acid, is an 8-carbon fatty acid that is used as a sanitizer on dairy equipment that comes in contact with milk. The acid has a molar mass of 144.21 g/mol. An aqueous solution of the sanitizer containing 12.25 g/L has a pH of 2.98. What is ...
January 5, 2014 by Anonymous

A 0.1943g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe 2+ (aq). The iron solution was titrated with Ce 4+ solution according to the balanced chemical reaction shown below.After calculation, it was found that 0.0237 g of iron from the ore ...
October 17, 2010 by matt

science 2
6. When aqueous solutions of table salt and silver nitrate are mixed, a white solid forms. This solid is ____. (1 point)soluble a precipitate an alloy a solute 7. Stainless steel is an example of a ____ solution. (1 point)liquid-solid solid-liquid solid-solid gas-solid 8. ...
April 17, 2012 by NIKE

For the following: a)give the reaction type; b)complete and balance the reaction; c)using your answer to part b, determine how much of the other reactant is needed, and how much of each product will be formed, for the given starting amount (below); and d) calculate the percent...
February 18, 2008 by stephen

a 10.0mL vinegar sample was completely neutralized by 22.5mL 0.2M NaOH solution. calculate molarity and % of acetic acid in vinegar. please help
April 26, 2010 by confused

chemistry buffer
Calculate the amount of sodium acetate to be added to 100ml of a 0.100M acetic acid (pka=4.76) solution to obtain a buffer of pH 4.50.
April 24, 2016 by Mansura

Calculate the formal concentrations of acetic acid and sodium acetate necessary to prepare a buffer solution of pH 5 that is 0.20M in total acetate?
February 5, 2017 by SAAD

ap chemistry
How many moles of sodium acetate (NaCH3COO) must be added to 1.000 liter of a 0.500M solution of acetic acid (CH3COOH) to produce a pH of 5.027? The ionization constant of acetic acid is 1.8 × 10−5. Answer in units of mol
February 4, 2014 by gabriella

If 20ml of glacial acetic acid (pure HC2H3O2) is diluted to 1.5L with water, what is the pH of the resulting solution. The density of glacial acetic acid is 1.08g/ml
August 2, 2010 by Kristen

Arrange the following aqueous solutions in order of increasing boiling point, explain your answer: 0.120 m glucose (C6H12O6), 0.05 m LiBr, 0.05 m Zn(NO3)2. Using data the boiling point constants given in the test book, calculate the boiling points of each of the above aqueous ...
February 15, 2013 by m

100 mL 0.1 M sodium acetate solution is mixed with 50 mL 0.1 M acetic acid. If now 0.937 mL of 1 M sodium hydroxide is added to the buffer what is the change in pH? pKa (acetic acid) = 4.76
January 9, 2016 by Jamie

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>

Post a New Question