A solution containing 0.40 M B (a weak base) and 0.20 M BH+ (the salt of the weak base) has a pH = 10.30. What is the pH after 25 mmol of HCl is added to 250 mL of this

33,762 questions
1. Chemistry

If an equal number of moles of the weak acid HOCN and the strong base KOH are added to water, the resulting solution will be acidic, basic or neutral? There is a complicated answer and a sensible answer. Both arrive at the same answer. But here is the

asked by Joel on April 27, 2007
2. analytical chemistry

A solution containing 0.40 M B (a weak base) and 0.20 M BH+ (the salt of the weak base) has a pH = 10.30. What is the pH after 25 mmol of HCl is added to 250 mL of this solution?

asked by axy on May 22, 2014
3. Chemistry

Why is the equivalence point of a weak acid-strong base titration above 7.0? How can the data reflect this? The titration of a weak acid with a srong base produces a salt of the two. The anion is hydrolyzed in water solution but the cation is not. A^- +

asked by Anonymous on April 23, 2007
4. Chemistry

I have an assignment Q A 0.1 mol L-1 water solution of NH4CH3CO2 has a pH of approx 7. Explain this using two equations. I have one equation CH3COO-(aq) + H2O(l) --> CH3COOH(aq) + OH-(aq) What could the other equation be? NH4CH3CO2 is the salt of a weak

asked by Fiona on May 18, 2007
5. Chemistry

A buffer is prepared by mixing 110. mL of 0.442 M HCl and 0.545 L of 0.400 M sodium acetate. How many grams of KOH must be added to 0.500 L of the buffer to change the pH by 0.10 units? The pH I have calculated to be 5.28. What do I to figure this out? I

asked by Christina on April 2, 2007
6. chem

Can someone please help me by explaining and correcting me? 1) A 0.057M solution of a weak acid has a pH of 4.93. Determine the ionization constant, Ka, of the acid. a) 2.1 x 10^-4 b) 2.4 x 10^-9 c) 4.1 x 10^-8 d) 2.8 x 10^-7 e) 1.4 x 10^-10 -- To be

7. chemistry

Hello! Please correct me if I'm wrong. For the following compound, predict whether the solution is acidic, basic, or neutral and why: NH4Cl. a) acidic, NH4Cl is the salt of a weak base b) neutral because there is no hydrolysis c) acidic, NH4Cl is a strong

8. Chemistry

NH3 is a weak base (Kb = 1.8 × 10–5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.050 M in NH4Cl?

asked by Jefferson on March 9, 2013
9. Chemistry

NH3 is a weak base (Kb = 1.8 × 10–5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.049 M in NH4Cl at 25 °C?

asked by Todd Mike on October 16, 2015
10. CHEMISTRY

HOW CAN U TELL IF HNO3 +KNO3 IS A BUFFER SOLUTION A buffer solution must contain a weak acid and its conjugate base OR a weak base and its conjugate acid. HNO3 is a strong base and KNO3 is the salt of a strong base (KOH) and a strong acid (HNO3);

asked by CANDY on February 27, 2007
11. Chemistry

In the titration of a weak acid with a strong base, the pH at the equivalence point is affected mostly by a.hydrolysis (reaction with water) of the weak acid b.the dissociation of water molecules c.the presence of excess base d.the hydrolysis of the

asked by Cheryl on May 26, 2011
12. chemistry

A. Strong Base 1.) What is the concentration of a solution of KOH for which the pH is 11.89? 2.) What is the pH of a 0.011M solution of Ca(OH)2? B. Weak Acid 1.) The pH of a 0.060M weak monoprotic acid HA is 3.44. Calculate the Ka of the acid. 2.) The pH

asked by jaycab on January 20, 2011
13. chemistry

hello, I can't seem to solve this question. i tried to look up someone else who may have asked this question. I found this girl named Sara,but her answer didn't really help me much because it did not answer the question. What is the pH when enough 0.10 M

asked by THOMAS on July 12, 2010
14. Acid-Base chem

Which of the following would for a buffer if added to 250.0 mL of .150 M SnF2? a).100 mol HCl b).060 mol HCl c).040 mol HCl d).040 mol NaOH e).040 mol HF I figured I could find out the pH of the solution with HCl/NaOH/HF added, and then find the pH when

asked by Taylor on May 5, 2007
15. chem -repost for bobpursley

Posted by polkadot on Friday, April 8, 2011 at 8:46pm. Can someone please help me by explaining and correcting me? 1) A 0.057M solution of a weak acid has a pH of 4.93. Determine the ionization constant, Ka, of the acid. a) 2.1 x 10^-4 b) 2.4 x 10^-9 c)

16. AP Chemistry

A solution is prepared by titrating a 100.0 mL sample of 0.10 M HF (Ka = 7.2 × 10-4) with 0.10 M NaOH a. Does the solution contain a strong acid with a strong base, a strong acid with a weak base, a weak acid with a strong base, or a weak acid with a weak

asked by Anonymous on March 23, 2016
17. AP Chemistry

A solution is prepared by titrating a 100.0 mL sample of 0.10 M HF (Ka = 7.2 × 10-4) with 0.10 M NaOH a. Does the solution contain a strong acid with a strong base, a strong acid with a weak base, a weak acid with a strong base, or a weak acid with a weak

asked by jesse on March 23, 2016
18. chemistry

hello, I can't seem to solve this question. i tried to look up someone else who may have asked this question. I found this girl named Sara,but her answer didn't really help me much because it did not answer the question. What is the pH when enough 0.10 M

asked by THOMAS on July 12, 2010
19. Chemistry

Just some homework. Would like to know if I am right, thanks. 1. Adding salt of a weak acid to a solution of the weak acid: a)lowers the concentration of the nonionized acid and the concentration of the H30+ b)lowers the concentration of the nonionized

asked by Trish on March 26, 2007
20. Chemistry

When will a salt produce a neutral solution? 1-if it contains the conjugate base of a strong acid 2-if it contains the conjugate base of a weak acid 3-if it contains the conjugate acid of a weak base

asked by T on December 2, 2012
21. Chemistry

Classify the following as: Weak or strong acid, weak or strong base, salt (from weak/strong acid and base). If appropriate, split the formula into its component ions. HNO3 So far, all I have is: HNO3 + H2O -> NO3^- + H3O^+ And I know HNO3 is a strong acid.

asked by Raj on May 26, 2007
22. Chem. Again

28: You have a glass of pure water. Are chemical reactions occurring in the water? If so, what are they? If not, explain why not. 29: While investigating the effects of acid rain in your area, you discover a lake that is surprisingly resistant to changes

asked by Rachel on May 12, 2009
23. Chemistry (PLZ HELP)

1. Outline a procedure to prepare an ammonia/ammonium buffer solution. I'm confused how to start it off. This is an outline of how the steps should be: Step One - Calculate the concentration of hydronium ions in the solution that requires buffering. You

asked by Emily on May 24, 2018
24. Chemistry (repost)

Which of the following pairs of substances, when mixed in any proportion you wish, can be used to prepare a buffer solution? 1)NaCN and NaOH 2) HCl and NaOH 3) HCN and NaOH 4)HCl and NaCN 5) NaCN and HCN is the answer 1 and 5?? chem - DrBob222, Sunday,

asked by Rachel on April 10, 2011
25. chemistry

A 1.0 M acetic acid solution (CH3COOH, pKa = 4.7) is neutralized by dissolving NaOH(s) (a strong base) in the solution. Estimate the pH at the equivalence point of the neutralization process: 4.7 7.0 9.3 Which one of the following statements best explains

asked by bekah on March 31, 2014
26. chemistry

A 1.00M solution of a hypothetical weak acid (HB) has a pH of 2.85. A solution is created using 0.10M of a salt NaB ('B' being the anion of the weak acid HB) and 50.0 ml of 2.0M acid HB (assume no change in volume). What would be the pH of the solution and

asked by Hoot on July 31, 2011
27. chemistry

#1)hydrochloric acid is a relatively strong acid . imagine that HCl is added to a buffer solution containing the weak acid phosphoric acid and a salt a)will HCl react with weak acid (H3PO4), or will it react with the salt (Na2HPO4)? b)one product of this

asked by sandy on August 23, 2011
28. Chemistry 12

name a compound that acts as a weak base? methanol? define the term weak bronsted-lowry base im not sure how to put this in words, but a weak base is found when you got a strong acid, when your ka is high, kb will be low.

asked by Shreya on January 25, 2013
29. Chemistry

When 23.5 mL of 0.12 M HCl are added to 50.0 mL of a 0.15 M solution of a weak monoprotic base, the pH of the solution is 10.00. What is the Kb of the weak base?

asked by . on March 10, 2019
30. chemistry

is C8H7O2COONa an acidic salt or basic salt? basic because the C8H7O2 is a weak acid, and Na is part of a strong base.

asked by katie on June 13, 2007
31. chemistry (buffers)

How can weak acid nitrous acid HNO2 form a buffer solution with equal concentrations and volumes with weak base NH3? I thought that buffer solutions only occured between weak acids and strong bases or vice versa. The example above as two weak soltuions.

asked by mike on September 1, 2008
32. Chemistry

When 23.3 mL of 0.14 M HCl are added to 50.0 mL of a 0.16 M solution of a weak monoprotic base, the pH of the solution is 10.50. What is the Kb of the weak base? do u find moles of both and then add the moles for HB+ and then just use the B- moles for the

asked by Chris on March 8, 2009
33. Chemistry

i. Which of the following solutions has the lowest pH (more acidic). Explain you answers. a. a 0.1 M solution of a strong acid or a 0.1 M solution of a weak acid. b. a 0.1 M solution of an acid with Ka=2×10-3 or one with Ka=8×10-6 c. a 0.1 M solutions of

asked by m on April 6, 2013
34. Chemistry

i. Which of the following solutions has the lowest pH (more acidic). Explain you answers. a. a 0.1 M solution of a strong acid or a 0.1 M solution of a weak acid. b. a 0.1 M solution of an acid with Ka=2×10-3 or one with Ka=8×10-6 c. a 0.1 M solutions of

asked by m on April 6, 2013
35. Chemistry

i. Which of the following solutions has the lowest pH (more acidic). Explain you answers. a. a 0.1 M solution of a strong acid or a 0.1 M solution of a weak acid. b. a 0.1 M solution of an acid with Ka=2×10-3 or one with Ka=8×10-6 c. a 0.1 M solutions of

asked by m on April 7, 2013
36. IR chemistry - instrumental anaylsis

my last instrumental analysis lab was basically about becoming familiar with using an IR spectrometer. I used a salt solution with a sodium chloride salt plate although it was not stated in the procedure to do so. the IR spectra seems to have come out fine

asked by Instrumental on October 7, 2013
37. Chemistry

Two of the questions my teacher put on the review sheet for our Acid/Base test are 1) what is the characteristic property of a buffer solution? and 2) what does a buffer solution contain? i think a buffer solution contains a weak acid and its conjugate

asked by Alison on May 15, 2010
38. math

You are a lab technician and must create 250 ml of a 17% salt solution. You have available three stock solutions. You have a one liter container of a 5% salt, a 500 ml container of a 28% salt solution, and a 400 ml container of a 40% salt solution. Show

asked by Fatih on February 15, 2012
39. Calc

You are a lab technician and must create 250 ml of a 17% salt solution. You have available three stock solutions. You have a one liter container of a 5% salt, a 500 ml container of a 28% salt solution, and a 400 ml container of a 40% salt solution. Show

asked by Fatih on February 16, 2012
40. Chemistry: Equilbrium

2. Which of the following statements are true about a strong base and a weak base at a pH of 11? HCl will not bring the pH of either solution to pH 7. Both bases require the same amount of HCl to reach pH 7 because they are both at the same initial pH. The

asked by Esmerelda on May 5, 2018
41. Chemistry-Dr Bob help!!

0.100 M solution of a weak acid, HX, is known to be 15% ionized. The weak acid has a molar mass of 72 g/mol. 1. What is Ka for the weak acid? 2. What is the pH of the buffer prepared by adding 10.0 g of the sodium salt of the acid (NaX) to 100.0 mL of

asked by clayton on April 4, 2012
42. chemisty

0.100 M solution of a weak acid, HX, is known to be 15% ionized. The weak acid has a molar mass of 72 g/mol. 1. What is Ka for the weak acid? 2. What is the pH of the buffer prepared by adding 10.0 g of the sodium salt of the acid (NaX) to 100.0 mL of

asked by Clayton on April 4, 2012
43. Chemistry

Only a chemist can be trusted with the combination to the safe containing a ton of money. The combination is the pH of solution A, followed by the pH of solution C. (for example: is the pH of solution A is 3.47 and the pH of solution C is 8.15 the

asked by Danielle on April 30, 2007
44. titrations

I have to find the correct acid-base indicator to use for the following titrations (methyl orange with end point @ pH 4, bromthymol blue with end point @ pH 7, or phenopthanlein with end point @ pH 9). I have several problems given to me, but first I'm

asked by Taylor on May 5, 2007
45. chemistry

Is this a buffer system? NH3/(NH4)2SO4? It is formed by mixing NH3 (weak base) and a strong acid (H2SO4), but according to my worksheet it is not a buffer system. Why is this so? Isnt it a buffer as long as it consists of a weak base and its salt of a

asked by seth on January 13, 2011
46. SCIENCE PLZZ HELP!!!

Given equal concentrations, which of the following produces the fewest hydronium ions in an aqueous solution? strong acid weak acid strong base weak base This is the only question i need help on and i have no clue what ut is! any help?

asked by gabby on May 28, 2016
47. Chemistry

Which value is most likely to be the pH of a salt that is formed by the reaction of a strong acid and a weak base

asked by RESHONDA on July 26, 2016
48. math

Julia is a chemistry student. She is working on an experiment for which she needs 10 liters of a 20% salt solution. All she has in her lab are a 10% salt solution and a 40% salt solution. She decides to mix these to make her own 20% solution. How much of

asked by Anonymous on April 3, 2018
49. PH Calculation

Consider a 0.42 M solution of NaCH3COO CH3COO–(aq) + H2O(l) -> CH3COOH(aq) + OH–(aq) Calculate the pH of the solution at equilibrium. Try the weak acid or weak base approximation (as appropriate) and check the validity of the approximation. If the

asked by RZeal on April 26, 2012
50. chemistry

Captain Kirk, of the Starship Enterprise, has been told by his superiors that only a chemist can be trusted with the combination to the safe containing the dilithium crystals that power the ship. The combination is the pH of Solution A described below,

asked by Tom on May 27, 2008
51. Chemistr ll

A buffer solution is composed of 0.370M HA, a weak monoproctic acid, and 0.370M NaA, the sodium salt of the acid. The solution has a pH of 3.50. What is the Ka of the weak acid, Ha?

asked by Cayla on April 30, 2012
52. chemistry

A buffer solution is composed of 0.370M HA, a weak monoproctic acid, and 0.370M NaA, the sodium salt of the acid. The solution has a pH of 3.50. What is the Ka of the weak acid, Ha?

asked by Cayla on April 30, 2012
53. Chemistry

A solution contains 0.0273 M HNO3, 0.0302 M HI, and 0.320 M formic acid, HCOOH. What is the pH? A solution contains 0.160 M Ba(OH)2 (strong base) and 0.360 M ammonia, NH3 (weak base). What is the pH? I'm really not sure how to do this. I tried and got .443

asked by Anonymous on March 2, 2013
54. calculus

A research chemist has two different salt water solutions. Solution 1 is 25% salt and solution 2 is 20% salt. She wants to have 1 liter of 22% solution. How much of each solution should she mix together to get the desired solution?

asked by Anonymous on January 25, 2018
55. Chemistry

Select the statements that correctly describe buffers.? 1) The pH of a buffer solution does not change significantly when any amount of a strong acid is added. 2) The Ka of a buffer does not change when any amount of an acid is added to the buffer

asked by Aria on September 23, 2013
56. math

You are a lab technician and must create 250 ml of a 17% salt-solution. a. If you have 500 ml of 28% salt-solution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% salt-solution? b. If you have 400 ml of 40%

asked by Fatih on February 15, 2012
57. Calc

You are a lab technician and must create 250 ml of a 17% salt-solution. a. If you have 500 ml of 28% salt-solution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% salt-solution? b. If you have 400 ml of 40%

asked by Fatih on February 16, 2012
58. Chemistry

How many grams of solid KOH must be added to 100ml of a buffer solution which is 0.1M each with respect to the weak acid HA and its potassium salt KA in order to make the pH of the solution 6.0?

asked by Sandu on October 4, 2016
59. Chemistry

You are a lab technician and must create 250 ml of a 17% salt solution. You have available three stock solutions. You have a one liter container of a 5% salt, a 500 ml container of a 28% salt solution, and a 400 ml container of a 40% salt solution. Discuss

asked by Fatih on March 5, 2012
60. Chemistry

An aqueous sodium salt (NaCnH2n+1O3) solution has an osmotic pressure of 2.041 atm when 1.068 g of the salt are dissolved in 200. g of water at 25 degrees C. Assuming molality and molarity in such a dilute solution are the same and that the sodium salt is

asked by Ceamus Angelina on May 24, 2018
61. chem

Is lithium hydroxide a strong or weak base? It is 100% ionized so, by definition, it is a strong base. Try looking up Kb for LiOH in a set of tables. It won't be there, further proof that it is not a weak base. thank you!

asked by Anna on May 9, 2007
62. Chemistry

If a buffer solution is 0.190 M in a weak acid (Ka = 5.8 x 10^-5) and 0.550 M in its conjugate base, what is the pH? What if it said "if a buffer solution is ___ M in a weak base (Kb = ____) and ___ M in its conjugate acid, what is the pH? Would the steps

asked by Katherine on April 22, 2012
63. Chemistry 2 - pH

You are given an aqueous salt solution and have determined that its pH is 5.19 at 25°C. Predict which of the following three salt solutions it is most likely to be. solution (1): a solution of ammonium nitrate (NH4NO3) solution (2): a solution of

asked by Amy on February 28, 2018
64. chemistry

Can you tell if I'm correct. Which combination in titration has ph=pka and buffer region strong acid-strong base- no to both strong acid-weak base- yes to both weak acid-strong base- yes to both weak acid-weak base- I'm not sure about this one. Can anyone

asked by poet on November 8, 2010
65. chemistry

Can you tell if I'm correct. Which combination in titration has ph=pka and buffer region strong acid-strong base- no to both strong acid-weak base- yes to both weak acid-strong base- yes to both weak acid-weak base- I'm not sure about this one. Can anyone

asked by poet on November 7, 2010
66. chemistry

A 4.50e-2 M solution of unknown monoprotic weak base has a pH of 10.200 what is the value of kb for the base

asked by Nancy on April 28, 2010
67. Chemistry

A solution of the weak acid HA was titrated with 0.100 M NaOH. the pH measured when vb=ve was 4.62 mL was 4.62 mL. Calculate the Ka of weak acid. (vb= added base volume, ve= equivalence point reading)

asked by Chanu on August 1, 2018
68. science

the ph of a 0.280m solution of a weak base. B has been measured ph --8.69. using this information. calculate the base ionisationconstant kbof b

asked by Emily on September 14, 2012

Only a chemist can be trusted with the combination to the safe containing a ton of money. The combination is the pH of solution A, followed by the pH of solution C. (for example: is the pH of solution A is 3.47 and the pH of solution C is 8.15 the

asked by Tom on May 25, 2008
70. Chemistry

Captain Kirk, of the Starship Enterprise, has been told by his superiors that only a chemist can be trusted with the combination to the safe containing the dilithium crystals that power the ship. The combination is the pH of Solution A described below,

asked by Tom on May 27, 2008
71. Chemistry

Aniline, C6H5NH2, is a weak base. If the hydroxide ion concentration of a 0.201 M solution is 9.2 10-6 M, what is the ionization constant for the base?

asked by Harry on May 5, 2014
72. Chemistry

Aniline, C6H5NH2, is a weak base. If the hydroxide ion concentration of a 0.223 M solution is 9.7 10-6 M, what is the ionization constant for the base?

asked by John on May 1, 2014
73. chemistry

You have 20.00 mL of a 0.1M aqueous solution of the weak base (CH3)3N (Kb = 7.4x10^-5). This solution will be titrated with 0.100 M HCl. How do you find the pH of this solution before any acid has been added.

asked by laura on February 9, 2012
74. AP Chemsitry

A solution of an unknown monoprotic weak acid was titrated with 0.100 M NaOH. The equivalence point was reached when 37.48 ML of base had been added. From a second buret, exactly 18.74 of 0.100 M HCl were added to the titration solution. The pH was then

asked by Keith on April 1, 2012
75. Chemistry

Provide equations for each of the following: a. Dissociation of a strong base in water solution b. Ionization of a strong acid in water solution: c. Ionization of a weak acid in water solution: d. Ionization of a weak base in water solution: e.

asked by ASAP!! on April 29, 2014
76. chemistry

a salt solution is evaporated to dryness. If 25.7 g of the solution leaves 1,949 mg of dry salt, what is the percent concentration (w/w) of the salt in the solution

asked by Randy on April 29, 2012
77. Chemistry

A salt solution is evaporated to dryness. If 66.5 g of the solution leaves 1,492 mg of dry salt, what is the percent concentration (w/w) of the salt in the solution?

asked by Marsha on May 6, 2013
78. Chemistry

If the pH of a 0.46 M aqueous solution of a weak base is 9.2, estimate the Kb of the base:

asked by Damon on August 1, 2016
79. chemistry

A weak base that encompasses a concentration of 1.4 mol per litre has a percent ionization of 0.63%. Calculate the Kb of this weak base

asked by Laura on April 9, 2008
80. chemistry

a) What is fellesioneffekten?   Veronal is a barbiturate (structure see above). Barbiturates is a substance class which occur in a variety of drug classes, including sleep medications (hypnotikasedativa), in painkillers (anesthetics) and anticonvulsants.

asked by Maria on September 9, 2016
81. DON VASCO PATNA

A salt solution of 15 litres contains 20% salt.How much water must you add to salt solution in order to dilute it 15% salt?

asked by YATHART on November 21, 2014
82. math

A salt solution of 15 litres contains 20%salt. How much water must you add to salt solution, in order to dilute it 15% salt?

asked by HEMENDU KUMAR on December 19, 2016
83. chemistry

a) What is fellesioneffekten?   Veronal is a barbiturate (structure see above). Barbiturates is a substance class which occur in a variety of drug classes, including sleep medications (hypnotikasedativa), in painkillers (anesthetics) and anticonvulsants.

asked by Maria on September 9, 2016
84. chemistry

A weak base with a concentration of 1.3 mol/L has a percent ionization of 0.72%. What is the Kb of this weak base? could someone help me with this question or how to get started?

asked by samantha on April 14, 2008
85. Chemistry (Titration Curves)

Which of the following Acid+Base titration combinations would have a buffering region in their plot? 1)Strong Acid+Strong base (HCl+NaOH) 2)Weak acid and strong base (Acetic+NaOH) 3)Strong Acid and weak base (HCl+NH3) 4)Weak Acid and weak base (Acetic+NH3)

asked by Anonymous on May 8, 2011
86. chemistry

Q.1 What will be the pH at the equivalence point during the titration of a 100 ml 0.2M solution of CH3COONa with 0.2M of solution of HCl?(Ka = 2*10^-5) Q.2 Aniline behaves as a weak base.When 0.1M,50ml solution of aniline was mixed with 0.1M,25ml solution

asked by gaurav on March 27, 2010
87. chemistry

a 5.55g sample of a weak acid with ka=1.3*10^-4 was combined with 5.00ml of 6.00 M NAOH and the resulting solution was diluted to 750mL. The measured pH of the solution was 4.25. what is the molor mass of the weak acid. if used the formula

asked by help on November 25, 2010
88. chemistry

a 5.55g sample of a weak acid with ka=1.3*10^-4 was combined with 5.00ml of 6.00 M NAOH and the resulting solution was diluted to 750mL. The measured pH of the solution was 4.25. what is the molor mass of the weak acid. if used the formula

asked by help on November 25, 2010
89. Chemistry

A concept map was to be created on acids and bases. The concept terms that were given to use were: aqueous solution,bases,acids,ions,weak bases, strong bases, strong acids, weak acids,dissociation, weak electrolyte, strong electrolyte,reaction,salt,

asked by Hannah on October 23, 2011
90. chemistry 1046

A.Determine the pH of the solution. a solution that is 1.17% HCl by mass (Assume a density of 1.01 g/mL for the solution.) B. Amphetamine (C9H13N) is a weak base with a pKb of 4.2. Calculate the pH of a solution containing an amphetamine concentration of

asked by Anonymous on July 3, 2012
91. Chemistry

A solution of acetic acid having a concentration of about 0.2M is to be titrated using 0.200M NaOH. Select an indicator for the titration. what salt will the solution contain at the equivalence point? what is the approximate concentration of this salt at

asked by Alison on May 15, 2010
92. General Chemistry

How do I calculate the ratio of weak base to weak acid in a methyl amine buffer solution at pH=10.645 and pH=11.645 and pH=9.645?

asked by Nhi Song on February 27, 2012
93. chemistry......plz help

A solution is prepared by dissolving 10.00g of a monobasic salt in a total volume of 1.00litres. Th pH of this solution was measured at 13.07 and a conductivity experiment determined that this salt was completely ionized in solution. What is the molecular

asked by tomi on March 24, 2009
94. chemistry

A solution is prepared by dissolving 10.00g of a monobasic salt in a total volume of 1.00litres. Th pH of this solution was measured at 13.07 and a conductivity experiment determined that this salt was completely ionized in solution. What is the molecular

asked by tomi on March 23, 2009
95. chemistry

A solution is prepared by dissolving 10.00g of a monobasic salt in a total volume of 1.00litres. Th pH of this solution was measured at 13.07 and a conductivity experiment determined that this salt was completely ionized in solution. What is the molecular

asked by tomi on March 23, 2009
96. chemistry

Acid, base, or salt? I have H2SO4= Acid, KOH= Salt, MgCl2= Salt, and NH3= Base Are these correct?

asked by Sarah on November 22, 2011
97. Chemistry

The pH of a 0.065 M solution of a weak base is 11.70. What is the value of Kb for this base?

asked by Brian on February 27, 2011
98. chemistry

The pH of a 1.2 M solution of an unknown weak base is 10.65. What is the Kb for the base?

asked by rodrigue on February 19, 2010
99. science

A 0.513 M solution of a weak base has a pH of 11.4. What is the Kb of the base?

asked by Martha on September 9, 2010
100. chemistry

A solution is prepared by dissolving 10.00 grams of a monobasic salt in a total volume of 1.00 litres. The pH of this solution was measured at 13.07 and a conductivity experiment determined that this salt was completely ionized in solution. What is the

asked by Temmi on January 29, 2014