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?

164,982 results

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 concentration of the ...

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?

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 b.what is the molarity ...

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. Apple cider vinegar ...

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 change. A. the moles of ...

chemistry

Calculate the mole fraction of acetic acid in vinegar, assuming that vinegar is 5.00% acetic acid(by mass) and that the density of vinegar is 1.05 g/mL

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 change. a. the moles of ...

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?

Chemistry

Assuming the density of vinegar is 1.0 g/mL ' what is the molarity of vinegar? (use the percent by mass of acetic acid to vinegar which is 5%.) The molar mass of acetic acid is 60.05 g/mol?

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

chem.

A 10.0 mL of vinegar, an aqueous solution of acetic acid (HC2H3O2), is titrated with .5062M NaOH, and 16.58mL is required to reach the equivalence point. A. What is the molarity of the acetic acid? B. If the density of the vinegar is 1.006 g/cm^3, what is the mass percent of ...

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 of acetic acid of ...

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 is 9.50% acetic acid ...

Chemistry

Acid-Base Titrations a) How will the concentration of NaOH be affected if during the titration some of the solid potassium hydrogen phthalate was spilled during the transfer? Will the concentration of the standardized NaOH increase, decrease, or have no effect? b) How will the...

Chemistry

We did a titration lab, and one of the post-lab questions says: "the manufacturer of the vinegar used in this experiment claims that the vinegar contains 5% acetic acid by weight. Use your results and a density of 1g/mL to determine if this claim is true or false. So the ...

Chemistry

We did a titration lab, and one of the post-lab questions says: "the manufacturer of the vinegar used in this experiment claims that the vinegar contains 5% acetic acid by weight. Use your results and a density of 1g/mL to determine if this claim is true or false. So the ...

CHEMISTRY PLEASE HELP

a) How will the concentration of NaOH be affected if during the titration some of the solid potassium hydrogen phthalate was spilled during the transfer? Will the concentration of the standardized NaOH increase, decrease, or have no effect? b) How will the molar mass of an ...

Chemistry

a) How will the concentration of NaOH be affected if during the titration some of the solid potassium hydrogen phthalate was spilled during the transfer? Will the concentration of the standardized NaOH increase, decrease, or have no effect? b) How will the molar mass of an ...

Chemistry

A solution of vinegar is 5.16% by mass aetic acid, CH3CO2H, in water. Assuming the density of vinegar is 1.00 g/mL, what is the molarity of the acetic acid?

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!

Chemistry

Vinegar is 5% acetic acid. If the density of household vinegar is approximately 1.00 g/mL, how many grams of acetic acid are contained in 10.0 mL of vinegar? So I started out with 10.0 mL of HC2H3O2 then multiplied by 1.00g/1mL. What do I do next? Is it done there?

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%...

chemistry

4. Vinegar is a dilute solution of acetic acid. What is the concentration of acetic acid in the vinegar if 26.5 mL of NaOH at 0.250 M are required to neutralize 10.0 mL of vinegar?

Chemistry

Vinegar is a dilute solution of acetic acid. What is the concentration of acetic acid in the vinegar if 26.5 mL of NaOH at 0.250 M are required to neutralize 10.0 mL of vinegar?

Chemistry

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 ...

Chemistry

If acetic acid is the only acid that vinegar contains [Ka = 1.8*10-5] , calculate the concentration of acetic acid in the vinegar. pH of vinegar is 3.20 _______________ First I got the antilog of the pH given, which turned out to be 6.309E-4. Then I did [(6.309E-4)^(2)]/(1.8E-...

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 (0.09890M)(0.04375L)=0.004327 moles Moles ...

Chemistry

what is the theoretical value for the M of acetic acid in vinegar if the vinegar is 5% acetic acid by a % mass value. Additional info: the experimental M of the acetic acid in vinegar is 0.80M Thank you!!

chemistry

what is the theoretical value for the M of acetic acid in vinegar if the vinegar is 5% acetic acid by a % mass value. Additional info: the experimental M of the acetic acid in vinegar is 0.80M Thank you!!

chemistry

A vinegar sample was analyzed and found to be 5.88% acetic acid by volume. The density of pure acetic acid is 1.049g/mL. What volume of 0.200M NaOH would be required to titrate a 2ml aliquot of this vinegar? Some help would be greatly appreciated! thanks

Chemistry

why would acetic acid concentration of a good vinegar need to be known for commercial reasons and regulatory health and safety reasons

chem

vinegar is 5.0% acetic acid, CH3COOH, by mass. vinegar has a density of 1.02 g/ml what is the madd of acetic acid in 50.0 ml of vinegar?

Chemistry

If acetic acid is the only acid that vinegar contains , calculate the concentration of acetic acid in the vinegar. if the pH of vinegar is 2.7

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 of acetic acid in the...

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 of acetic acid in the...

Chemistry

A vinegar sample is found to have a density of 1.006 and to contain 4.7 acetic acid by mass.How many grams of acetic acid are present in 3.00 of this vinegar?

Chemistry

A vinegar sample is found to have a density of 1.006 {\rm{ g/mL}} and to contain 4.2\% acetic acid by mass.How many grams of acetic acid are present in 1.20L of this vinegar?

Chemistry

In this experiment NaOH is standardized to find out the percent by mass of the acetic acid in a sample of vinegar. A student had not allowed the NaOH pellets to dissolve completely before standardizing it with KHP, but when the student refilled the buret with NaOH to titrate ...

CHEM HELP PLEASE

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.

Chemistry

Vinegar is a dilute solution of acetic acid. In the titration of 5.00 mL of vinegar, 39.75 mL of 0.137 M sodium hydroxide solution was required to neutralize the vinegar to a phenolphthalein end point. Calculate each of the following of the vinegar. (a) the molarity : I got 1....

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 reach equivalence point= ...

Chemistry

Need some direction.. where do I start? Vinegar is a 5% (mass/mass) solution of acetic acid in water. If vinegar has a density of 1.06 g/mL, what is the concentration in molar?

chemistry

A certain vinegar is 5.0% acetic acid in water. What mass (in grams) of acetic acid is needed to mix with 185 grams of water to prepare this vinegar?

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 weight) of acetic acid ...

Gen. Chemistry lab

Trying to find mass percent of acetic acid in 25 drops of .683M NaOH solution are required to neutralize 10 drops of cleaning vinegar. Assume that the density of the cleaning vinegar is the same as the density of regular vinegar which is 1.05 g ml-1 You need to clean up the ...

Chemistry

Acetic acid, HC2H3O2, is the sour constituent of vinegar (acetum is Latin for "vinegar" ). In an experiment, 3.76 g of acetic acid was burned. HC2H3O2(l) + 2 O2(g) 2 CO2(g) + 2 H2O(l) If 54.6 kJ of heat evolved, what is ÄH per mole of acetic acid?

Chemistry

Could someone help me with this question? A vinegar sample was analyzed and found to be 5.88% acetic acid by volume. The density of pure acetic acid is 1.409g/ml. What volume of 0.200 M NaOH would be required to titrate a 2 ml aliquot of this vinegar.

Chemistry

Commercial vinegar usually has a concentration of 5%, per volume. a) Calculate the [H3O+] , if the density of acetic acid is 1.051 g/mL. b) Calculate the pH.

Chemistry

I need help please. The question is vinegar, or a dilute of CH3COOH (acetic acid), should have a molarity of around 0.83 M. Using the Ka for acetic acid, what should the pH of vinegar be?? Thank you!!

Chemistry

100.0 mL Vinegar (d=1.06g/mL) contains 4% acetic acid. a. How many moles of acid are in 100 mL of vinegar? b. How many mL of 0.11 M NaOH are required to neutralize the vinegar?

Chemistry

A 5.00 mL aliquot of vinegar (acetic acid, FW = 63 g/mol) was diluted and titrated with 0.1104 M NaOH requiring 32.88 mL. If the vinegar has a density of 1.055 g/mL, calculate its acidity as % acetic acid

Chemistry

To titrate the acetic acid in 10.0 mL of vinegar sample, 25.5mL of 0.5M sodium hydroxide solution is needed. What is the concentration of acetic acid in the vinegar?

Chemistry

Ok, in this question, the drops is throwing me off totally, can someone help! A nationally known company markets a product called "cleaning vinegar" that is not designed for human consumption. What is the mass percent of acetic acid in this product if 25 drops of .683M NaOH ...

ENGINEERING

a vinegar contains acetic acid,CH3COOH.Titration of 5.00g of vinegar with 0.100M of NAOH requires 33.00cm to reach the equivalence point.a)what is the weight percentage of CH3COOH in vinegar?

gen chem

a 10 ml vinegar sample was completely neutralized by 22.5 0.2M NaOH solution . calculate the molarity and percent acetic acid in vinegar I keep getting 2.7% acetic acid is this correct? my friend got 27% and if I am wrong where do you think I messed up?

Chemistry

How much vinegar at 5% acetic acid concentration would be required to neutralize 100mL of 0.01 M NaOH? (Assume a density of vinegar to be 1.01g/mL)

chemistry

Is this balanced properly 2H2O2----> 2H2O +O2 Thank you for the reactions of zinc and acetic acid. REAL QUESTION, if I was to rub all the copper off of a new penny down to the zinc, what would be the appearance of the zinc if I left it in vinegar (acetic acid ) for 30min. I...

Chem 151

Would my calculated molarity of HOAc in vinegar be too high, low, or unchanged if a) i forgot to rinse wet buret with vinegar b)delivered vinegar into a wet flask c)used a buret with a broken tip Any help please!!!

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 carbonate? The density of...

chemistry

2.) A particular vinegar is found to contain 5.9% acetic acid by mass. What mass of this vinegar should be diluted with water to produce 0.750 L of a solution with pH = 4.58?

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 of the vinegar.

Chemistry

What effect on the molar mass of the unknown acid would each of the following have-that is-would it make the calculated molar mass high, low, or would it have no effect? 1. Adding 5 drops of phenolphthalein instead of 1 drop. 2. Using a standard NaOH solution that has been ...

chemistry

A particular vinegar is found to contain 5.8% acetic acid,CH3COOH , by mass. What mass of this vinegar should be diluted with water to produce 0.750L of a solution with pH= 4.54?

chemistry

vinegar is 5% acetic acid by mass and has a density of 1.02g/mL.what mass of acetic acid ,in grams, is present in 185 mL of vinegar.

Science

I am doing an extension to get into the AP Biology course offered by my school. This particular extension asked me to use vinegar and baking soda aswell as some basic scientific tools to find the concentration of acetic acid in vinegar. I wanted to know what a procedure for ...

Chemistry

Greetings: I was wondering how to calculate the weight/volume % of vinegar using the formula ---------------w/v Per Cent = g/100 mL or grams per deciliter: WHAT WEIGHT DO I USE NaOH, Acetic ACID? the data include: volume of NaOH needed to neutralize Vingegar : 14.24 mL Volume ...

chemistry

A 12.6 mL sample of vinegar, containing acetic acid, was titrated using 0.542 M NaOH solution. The titration required 24.1 mL of the base. what is the molar concentration of acid in the vinegar?'

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?

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 mol/l is added when the...

chemistry

This soidum hydroxide solution was then used to determine the amount of acetic acid in vinegar. Three titrations of the sodium hydroxide solution against exactly 5mL of vinegar using phenolphthalein indicator required 22.85Ml, 22.67mL and 22.93mL of the sodium hydroxide ...

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 neither acidic or basic, ...

Chemistry

Titration of an Unknown Acid... What effect on the molar mass of the unknown acid would each of the following have... Would it make the calculated molar mass high, low, or would it have no effect? 1. Adding 5 drops of phenolphthalein instead of 1 drop... Answer: No effect. 2. ...

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?

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?

chemistry

If you assume that there is 5% acetic acid in vinegar, how much vinegar should you weigh out so that the endpoint requires 25.0 mL of 0.186 M NaOH?

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.

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?

chemistry

hi, I am trying to find the solubility of Sodium Acetate by using 0.100 mol Hydroxide(base) and 0.837 mol acetic acid( vinegar). The theoretical solubility of sodium acetate is 82.3g/100ml at 25C. Doing calculations we would want NAOH concentration of 10.47mol/l to react with ...

chemistry

If one-fourth cup of vinegar contains 0.049 mole of HC2H3O2, how many grams of baking soda will react with this amount of acetic acid? What would be the percent by weight of HC2H3O2 in this one-fourth cup of vinegar solution? (assume density of vinegar is 1.00 g/mL and that...

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

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.

Chemisty

A total of 31.3 ml of 0.15 N NaOH was required to reach a phenolphthalein endpoint in titrating 6.00 g of vinegar. Calculate the number of equivalents of acetic acid in vinegar.

lab

A total of 31.3 ml of 0.15 N NaOH was required to reach a phenolphthalein endpoint in titrating 6.00 g of vinegar. Calculate the number of equivalents of acetic acid in vinegar.

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?

chemistry

Could someone help me with this please? In chemistry, we did a lab in which he put brands of commerical vinegar in a microplate. We put in 10 drops of each vinegar in each plate thinger then we added 1 drop of phenolphthalein and then put in as many drops of NaOH as it took to...

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.

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 indicator. Please help...

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 too low? Justify ...

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.

algebra

If i have the cost per quart of vinegar and the % of acetic acid for each of 4 brands, what would be an equation i could use to find out which brand has the most acetic acid for the money?

CHM 105

Vinegar contains ethanoic acid (CH3OOH).titration of 3.00g of vinegar with 0.12M NAOH Solution requires 23.0cm3 to reach the equivalent ppoint.what is the weight percentage of the ethanioc acid in vinegar?

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 (Vc)of vinegar to a ...

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 figure out the molarity ...

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

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

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 (Vc)of vinegar to a ...

chemistry

vinegar is made by adding 33 g of acetic acid to 625 if water what is the percent by mass of acetic acid in this solution of vinigar

chemistry

hi, I am trying to find the solubility of Sodium Acetate by using 0.100 mol Hydroxide(base) and 0.837 mol acetic acid( vinegar). The theoretical solubility of sodium acetate is 82.3g/100ml at 25C. Doing calculations we would want NAOH concentration of 10.47mol/l to react with ...

Science

Vinegar contain ethanoic acid.titration of 3.00g of vinegar with 0.12mol NaOH solution requires 23.0cm to reach the equivalence point.what is the weight percentage of the ethanoic acid in vinegar

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?

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