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If you had added 50 mL of distilled water to one the vinegar sample instead of 30 mL, would the titration have required more NaOH, less NaOH or the same amount of NaOH? Why?

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  1. Science(I guess)

    Could you help me find some websites that can tell me what the ingredients are in vinegar. http://en.wikipedia.org/wiki/Vinegar Vinegar is acetic acid. Some bottles are sold as 4% and some as 5%. White vinegar is straight acetic acid (distilled) and water.
  2. Chemistry

    If you had added 50 mL of distilled water to one the vinegar sample instead of 30 mL, would the titration have required more NaOH, less NaOH or the same amount of NaOH? Why?
  3. Chem

    The experiment is about titration of vinegar with NaOH. Before I start titration, I need to calculate how much of vinegar I will want to be using. I think I might use 50ml of distilled water to mix vinegar and I am gonna drop 3drops of phenolphthalein as
  4. chemistry

    In the following questions, assume that no excess distilled water was added from a wash bottle during the titration of 10.00 mL of vinegar with your standardized solution of NaOH. A. calculate the pH of vinegar. B. what was the pH of the solution after
  5. chemistry help

    In the following questions, assume that no excess distilled water was added from a wash bottle during the titration of 10.00 mL of vinegar with your standardized solution of NaOH. A. calculate the pH of vinegar. B. what was the pH of the solution after
  6. Chemistry

    When diluting the commercial vinegar, what would have been the effect on acetic acid molairty of failing to rinse the pooped with commercial vinegar, assuming there was some distilled water left in the piper from a previous student? ( think about how the
  7. Chem

    I'm doing a vinegar titration lab and i need to know how can my acetic acid in vinegar be affected if a few droops of NaOH solution is not washed down with distilled water
  8. Science

    A student performs an experiment by adding different amounts of vinegar to a mixture of water, dish soap, and baking soda. Why does adding more vinegar result in a greater temperature change in the water A- As more vinegar is added, there is a greater
  9. Chemistry

    A 10.0 mL sample of 12.1 M hydrochloric acid is added to 90.0 mL of distilled water and added to a sealed 1.04 L reaction vessel containing 1.463 g of calcium hydrogencarbonate at 22.1ºC and 743 mmHg. What is the pressure of carbon dioxide gas?
  10. Science need help

    A group of students are setting up the first experiments, looking at the growth of roots in water containing an added factor. They have decided to grow seeds in both in pure tap-water and in water with a defined amount of vinegar added. As part of their
  11. Science need help

    A group of students are setting up the first experiments, looking at the growth of roots in water containing an added factor. They have decided to grow seeds in both in pure tap-water and in water with a defined amount of vinegar added. As part of their
  12. Chemistry

    In Part B, we determined the water hardness of a water sample by combining the water sample with a 10.00 mL sample of calcium chloride, then titrating with EDTA. If we substituted distilled water for the water sample, how would our titration have been
  13. chemistry

    12.5g mass of the vinegar sample and the density of vinegar is 1.05g/mL determine the volume of the vinegar sample in liters?
  14. Chemistry

    Vinegar is a solution of acetic acid, CH3COOH, dissolved in water. A 4.69 g sample of vinegar was neutralized by 32.97 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar?
  15. science

    Which pair of substances would likely neutralize each other? A) lye and amonia B) vinegar and battery acid C) ammonia and calcium carbonate D) distilled water and rain water
  16. Chemistry

    A particular vinegar contains 4.0% CH3COOH by mass. It reacts with sodium carbonate to produce sodium acetate, carbon dioxide, and water. How many grams of carbon dioxide are produced by the reaction of 5.00 mL of this vinegar with an excess of sodium
  17. chemistry

    Several reactions are carried out using AgBr, a cream-colored silver salt for which the value of the solubility product constant, Ksp, is 5.0 x 10-13 at 298 K. a) Calculate the value of [Ag+] in 50.0 mL of a saturated solution of AgBr at 298 K. b) A 50.0
  18. chemistry

    The analysis of halogenated hydrocarbon gave the following results: A sample of mass m=255mg produces 273.7 mg carbon dioxide and 130.6 mg of water .A second sample of mass 87 is treated by hot molten sodium .The obtained mixture is dissolved in distilled
  19. quantitative chemical analysis

    A sample of chlorides weighing 0.2082 g is dissolved in water, transferred to a 100 mL volumetric flask and 50 mL of 0.1 M silver nitrate solution are added; after shaking the volume is made up to the mark with distilled water. Mix well and let it rest.
  20. chemistry

    1. Harry titrates vinegar with 0.952 M NaOH. The sample was 25.75 mL of vinegar, and it took 19.85 ml of 0.952 M NaOH to reach endpoint. What are the grams of acetic acid/100 mL of vinegar? Is this vinegar?
  21. chem-acid-base titrations

    Acetic acid (HC2H3O2) is an important component of vinegar. A 10.00mL sample of vinegar is titrated with .5052 M NaOH, and 16.88 mL are required to neutralize the acetic acid that is present. a.write a balanced equation for this neutralization reaction
  22. Chemistry

    I did a lab in which I added ionic solutions to tap and distilled water and another ionic solution. Distilled water is the control because it does not react to any solutions since it doesn't contain ions. But one of the lab questions I need to answer is:
  23. Chemistry

    I need help with how to do this! -If a 7.0mL sample of vinegar was titrated to the stoichiometric equivalence point with 7.5mL of 1.5M NaOH, what is the mass percent of CH3COOH in the vinegar sample?
  24. Chemistry

    In a crazy scenario, the Oylan Vinegar Company has 10,000 gallons of vinegar with 0.622% concentration. This vinegar solution cannot be sold because it's too weak, but the plant manager can't bear to discard it. OVC also has a large batch of vinegar that
  25. science

    A 30.84 cm3 volume of 0.128 M NaOH is required to reach the phenolphthalein endpoint in the titration of a 5.441 g sample of vinegar. Calculate the percent acetic acid in the vinegar. (Molar mass of vinegar is 60.05 g/mol)
  26. Chemistry

    Calculate the pH of a 25 mL distilled water sample after the addition of 2 mL of HCl Calculate the pH of a 25 mL distilled water sample after the addition of 2 mL of NaOH
  27. science

    The analysis of lead (Pb) in a sample of solder was carried out using atomic absorption spectroscopy as follows. 1.013 g of solder was completely dissolved in a small volume of nitric acid and the solution made up to 1.000 L with distilled water. A 50.0
  28. science

    Three equal-sized pans containing distilled (pure water),ocean water (3 percent salt),and water from the Great Salt Lake in Utah (about 20 percent salt)are placed in freezer. Which of the following would be the order in which these three liquids would
  29. science

    so would it be better to place a wilted flower in tap water or distilled water? Answer: I would say distilled water because it contains a lower cocnentration of solute than the flower and therefore the water would more easily diffuse into the flower. Tap
  30. SCI

    so would it be better to place a wilted flower in tap water or distilled water? Answer: I would say distilled water because it contains a lower cocnentration of solute than the flower and therefore the water would more easily diffuse into the flower. Tap
  31. Chemistry

    The data below was collected while performing a titration of acetic acid (in vinegar) to determine its concentration using sodium hydroxide. 150 ml of vinegar with unknown molarity 45.5 ml of .5 M NaOH was added to reach equivalence point Find the molarity
  32. Chemistry - help

    This is a test for chlorides in NaOH sample. 1.0g of NaOH was dissolved in 5ml of distilled water, acidified with 4ml of dilute nitric acid and diluted to 15ml with distilled water. This mixture was poured into a test tube containing 1ml of AgNO3 solution.
  33. Chemistry

    assuming the vinegar solution has a density of 1.01 g/mL, calculate the percent by weight of actic acid (CH3CO2H) in your sample of vinegar. How does the value compare with 5% the value for the % acetic acid in normal vinegar? Thanks!
  34. Chemistry

    So i had trouble finding the answers to these questions on a lab: Background: If we were using a burret/flask instead of a pipette and well plates. Before you started, the buret must be rinsed with 1 ml of distilled water and then 1 ml of NaOH solution.
  35. chemistry

    So i had trouble finding the answers to these questions on a lab: Background: If we were using a burret/flask instead of a pipette and well plates. Before you started, the buret must be rinsed with 1 ml of distilled water and then 1 ml of NaOH solution.
  36. Chemistry La

    An unknown solution may contain some of the cations listed below. One student preformed a series of experiments to determine what ions are in the solution. Based upon the experiments performed by the students, the results are as follows: a) On addition of
  37. Science URGENT PLEASE

    1. what would you expect the pH value for grapefruit juice to be? (>7, 7,
  38. chemistry

    I am trying to answer a bunch of lab questions about a lab I did and am stuck on finding the morality of the diluted vinegar solution? Can anyone help me? (I hope I gave enough info) Here where the lab procedures that I already went through: Transfer 10mls
  39. MOLARITY QUESTION

    I am trying to answer a bunch of lab questions about a lab I did and am stuck on finding the morality of the diluted vinegar solution? Can anyone help me? (I hope I gave enough info) Here where the lab procedures that I already went through: Transfer 10mls
  40. Analytical Chemistry

    Any help/advice on answering this question would be a big help! :) The analysis of lead (Pb) in a sample of solder was carried out using atomic absorption spectroscopy as follows. 1.013 g of solder was completely dissolved in a small volume of nitric acid
  41. Chemistry

    Help! I need to do this review question and don't know where to start ! The label on a bottle of vinegar claims that the bottle conatins 5% (m/v) of acetic acid. In order to test this claim, a 50ml sample is titrated with sodium hydroxide. 166ml of 0.25
  42. Chemisty

    16.72g of sodium acetate trihydride (MW=136 g/mol) is dissolved in 100mL water. To this, 4.00g glacial acetic acid (Ka=2.2x10-5, MW=60.0 g/mol) is added, and distilled water is added to to the 500mL mark. Find the final pH and the molar concentration of
  43. Chemistry

    Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH. 2) calculate the mass percent
  44. CHEMISTRY PLEASE HELP

    Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH. 2) calculate the mass percent
  45. Physical Science

    During which of the following chemical changes does a precipitate form? 1. vinegar is added to baking powder 2. Lemon Juice is added to milk 3. Lemon juice is added to water 4. A banana ripens
  46. 11th grade CHEMISTRY TITRATION LAB!

    i have a tritation lab due tomorrow and i am stumped on a couple things. its a titration lab using sodium hydroxide (NaOH)- 250 mL 0.300 M concentration, 10 mL of an unknown substance of vinegar, the avg. of titrated NaOH in the flask with vinegar is 27.7
  47. high school

    what factors change in experiment, when alkaseltzer is added to vinegar and diluted vinegar- does it speed up tto 45 seconds?
  48. Chemistry

    Calculate mass of iron in tablet by spectroscopy? I have to calculate the mass of iron in a tablet..The manufacturers claim it contains 60 mg elemental iron. background info: The tablet was crushed and dissolved in 25ml of 6M Hcl, filtered and added to a
  49. chemistry

    Distilled water normally contains dissolved CO2. When preparing NaOH standard solutions, it is important to use CO2 free distilled water. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution’s
  50. chemistry

    1. When performing this experiment, a student mistakenly used impure KHP to standardize the NaOH solution. If the impurity is neither acidic nor basic, will the percent by mass of acetic acid in the vinegar solution determined by the student be too high or
  51. chemistry

    Distilled water normally contains dissolved CO2. When preparing NaOH standard solutions, it is important to use CO2 free distilled water. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution’s
  52. chemistry

    I want to know HOW to do the problems, not just an answer please. 1.) How many moles of ions are released when 0.27 moles of CoCl2 is dissolved in water? 2.) A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100M NaOh. What is the precent (by
  53. Chemistry

    The volume of acetic acid in a sample of 500mL of vinegar is determined to be 1mL. What is the v/v percentage of the vinegar?
  54. chemistry

    Determine the molarity containing 10.6g of NaCO3 dissolved in:a)250cm^3 of distilled water.i got 1.06. b)500cm^3 of distilled water.i got 0.53.plz correct where i might be wrong
  55. chem

    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.
  56. chemistry

    3.30 mL of vinegar needs 43.0 mL of 0.150 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.70 qt sample of this vinegar?
  57. chemistry

    If 3.30 mL of vinegar needs 42.5 mL of 0.150 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.50 qt sample of this vinegar?
  58. Chemistry

    3.30 mL of vinegar needs 40.0 mL of 0.150M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.10 qt sample of this vinegar?
  59. chemistry

    If 3.15 mL of vinegar needs 42.5 mL of 0.115 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.40 qt sample of this vinegar?
  60. Chemistry

    Hi, could someone help me with these calculations for my lab; Given: Volume of vinegar analyzed:5 mL Con'c of NaOH: 0.09890M Avg. V of NaOH from titration:43.75 mL Moles of NaOH required to reach the equivalence point: ? Would this be
  61. chemistry

    given that thee density of a supplied vinegar solution in an experiment is 1.025g/ml, what is the percentage acetic acid found in the vinegar sample?
  62. chemistry

    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
  63. Chemistry

    if a 100g sample of water at 60.0 C is added to a 100.0 g sample of water at 10.0 C, determine the final temperature of the water. Assume no heat is lost to the surroundings
  64. chemistry

    calculating the molarity of acetic acid in a vinegar sample given that 5.00 of vinegar required 43.50 mL of 0.1050 M NaOH to just reach the methyl red endpoint.
  65. chemistry

    10 ml sample of vinegar an aqueous solution 0f acetic acid( HC2H3O2) is titrated with 0.5062 M and 16.58 ml is required to reach equivalence point what is the molarity of the acetic acid b. if the density of vinegar is 1.006 g/cm3 what is the mass percent
  66. chemistry

    A 3.455 g sample of vinegar is titrated. It requires 16.83 mL of 0.2145 M NaOH to get to the phenolphthalein end point. Calculate the weight percent of acetic acid in this sample of vinegar. ____ % Note: calculate the molecular weight to one decimal place,
  67. Chemistry

    100 ml of 0.01N HCl is added to 0.9L of distilled water. What would the final pH of the solution be?
  68. AP Chemistry

    So i had trouble finding the answers to these questions on a lab: Background: If we were using a burret/flask instead of a pipette and well plates. Before you started, the buret must be rinsed with 1 ml of distilled water and then 1 ml of NaOH solution.
  69. JJ

    A 30.84 mL volume of 0.128 M NaOH is required to reach the phnolphthalein endpoint in the titration of a 5.441 g sample of vinegar. Calculate % acetic acid in the vinegar.
  70. CHEMISTRY

    A 31.43 mL volume of 0.108 M NaOH is required to reach the phnolphthalein endpoint in the titration of a 4.441 g sample of vinegar. Calculate % acetic acid in the vinegar.
  71. AP CHEMISTRY

    Please could you help me predict the products of the following reactions: ( I cant figure them out) THANX in advance! 1) CaO powder is added to distilled water. 2) Acetic acid solution is added to solid sodium hydrogen carbonate. 3) Potassium permanganate
  72. chem

    Calculate the final concentration of a. 4.0 L of a 4.0 M HNO3 solution is added to water so that the final volume is 8.0L b. Water is added to 0.35L of a 6.0M KOH solution to make 2.0L of a diluted KOH solution. c.A 20.0 mL sample of 8.0% (m/v)NaOH is
  73. chemistry

    Consider a mixture of , albumin solution, and starch solutions in a dialyzing bag. The dialyzing bag is then immersed in distilled water. Which of the following actions should be taken to remove the most salt from the mixture? Leave the dialyzing bag in
  74. Chem 2

    5 drops of 0.10M NaOH were added to 20mL of the buffer problem, the pHwent from 3.40 to 3.43. Write a net ionic equiation to explain why the pH did not go up to about 10, as it would have if that amount of NaOH were added to distilled water or to 20mL
  75. chemistry

    A student adds 25.00mL of distilled water to a 10.00mL sample of HCl of an unknown molarity and titrates this against a 0.085M NaOH solution. Will the addition of the water interfere with the determination of the molarity of the HCl sample? Why or why not?
  76. Science

    a biologist diluted a blood sample with distilled water. While observing the sample with a microscope, she noted that the red blood cells had burst. This bursting is most likely the result of which process?
  77. Chemistry

    My mind is bleeding again. I am trying to figure out the molarity of acetic acid in Vinegar. We used a standard solution of .613 Molars of NaOH. We added 33.75mL of NaOH to completely titrate/neutralize 25mL of Vinegar and we're supposed to be able to
  78. Chemistry

    Assuming that the lab procedure was conducted in an identical manner in all other respects, if a large quantity of vinegar had been taken initially for analysis, for example, a 50.0 ml instead of 25.0mL discuss briefly how each of the following would
  79. chemistry

    calculate the molarity of acetic acid in a vinegar sample,knowing that 5.00ml of vinegar requires 43.50ml of 0.105 M NaOH to just reach the phenolphthalein endpoint in a titration
  80. chemistry

    calculate the molarity of acetic acid in a vinegar sample,knowing that 5.00ml of vinegar requires 43.50ml of 0.105 M NaOH to just reach the phenolphthalein endpoint in a titration
  81. physical science

    Hypothesize how the pH of white vinegar would change if an ammonia solution was added to it a drop at a time. White vinegar has a pH of 3.1
  82. Chemistry

    Assuming that the lab procedure was conducted in an identical manner in all other respects, if a large quantity of vinegar had been taken initially for analysis, for example, a 50.0mL instead of 25.0 mL discuss briefly how each of the following would
  83. Maths

    Two identical jars are filled with mixtures of water and vinegar in the ratios of 2 to 1 and 3 to 1 respectively. If both jars are emptied into another container then the ratio of water to vinegar in the resulting mixture is.
  84. Chemistry

    What volume of distilled water should be added to 400cm3 of 2.0mol/dm 3 H2SO4 to obtain 0.20mol/dm3 of solution
  85. Chemistry

    1. Commercial vinegar is a solution of acetic acid in water. How would you determine which brand of vinegar contains more acetic acid in a given volume of vinegar?
  86. chemistry

    I am doing a home lab experiment about acid-base neutralization. I just need a little help to see if I am doing it correctly. I completed the experiment and recorded the data. We were to add 25 ml of vinegar and the 1 ml of cabbage indicator, the add i ml
  87. Chemistry

    The cafeteria decides to save money by using concentrated acetic acid (CH3COOH at 17.5 mol/L) and diluting it with water toproduce vinegar (5.00% m/v aceticacid). a) What is the concentration of vinegar in mol/L?b) What volume of vinegar can the cafeteria
  88. Gr 11 Chemistry-Dilutions

    The cafeteria decides to save money by using concentrated acetic acid (CH3COOH at 17.5 mol/L) and diluting it with water toproduce vinegar (5.00% m/v aceticacid). a) What is the concentration of vinegar in mol/L?b) What volume of vinegar can the cafeteria
  89. chemistry

    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
  90. chemistry

    Some distilled water is added to an empty beaker. A gram of copper(II) nitrate is added to the beaker with stirring. After a few minutes, what is in the beaker? a. solid copper(II) nitrate and water b. nitrogen gas, copper atoms, electrons, and water c. a
  91. chemistry

    why were you instructed to add distilled water in step 12, and possibly more distilled water in step 15? what purpose does the water serve?
  92. chemistry

    a 100g sample of wate at 90oC is added to a 500g sample of water at 10oC. what is the final temperature of the water
  93. Chemistry

    An excess of Ca(s) is added to 180g of distilled water at STP. What volume of H2 gas can be produced? a) 448 L b) 224 L c) 112 L d) 22.4 L
  94. Nutrition

    What is the difference between drinking water and distilled water? Can we make our own distilled water?
  95. Chemistry

    Thanks for your help; I am still have a few problems, could you check my work: Given: Volume of vinegar analyzed-5mL Con'c of NaOH-0.09890M Avg. Volume of NaOH from titration-43.75mL Density CH3COOH: 1.049g/mL Calculations: 1.Moles of NaOH required to
  96. math

    A jar is half full of vinegar and another jar twice its size is one quarter full of vinegar. Both jars are then filled with water. The contents are mixed in a third container. What part of the mixture in the third container is vinegar?
  97. Analytical chemistry

    A water sample was analysed using a sodium selective electrode. The electrode response was 75.0 mV. A 10.00 mL aliquot of standard 0.50 mmol/L NaCl solution was added to 10.00 mL of water sample. The well-mixed solution gave a response of 98.0 mV. What is
  98. Inorganic chemistry

    A 50ml sample of vinegar is titrated with 0.774M NaOH(aq). If the titration requires 41.6ml of NaOH(aq), what is the concentration of acetic acid in the vinegar?
  99. Chemistry

    A student synthesized 6.895 g of barium iodate monohydrate by adding 30.00 mL of 5.912 x 10-1 M sodium iodate, NAIO3. 125 mL of distilled water as used to wash and transfer the precipitate, rather than 20 mL of chilled distilled water (at 4* C). The
  100. Chemistry

    A student determined the calorimeter constant of the calorimeter. The student added 50.00 mL of cold water to 50.00 mK of heated , distilled water in a styrofoam cup. The initial temp of the cold water was 21,00C and the hot water, 29.15C. The maximum temp

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