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April 20, 2014

Search: Chemistry - Acid structure

Number of results: 106,652

Chemistry - Acid structure
I'm writing up a lab report for the an experiment in the separation and analysis of an unknown mixture (acid and neutral compound). The guideline I'm looking at states "You do need to include balanced reaction(s). Since you do not know the exact structure of your acid, you may...
Wednesday, November 17, 2010 at 8:11pm by Anonymous

Organic Chemistry
Cyanic acid is HOCN. The compound has the structure H-O-CN. It is isomeric with another acid, H-N=C=O, which is known as isocyanic acid. When you deprotonate cyanic acid the anion is: (-)O-CN <-> O=C=N(-) I can't show the arrows on here to move the electron along the...
Monday, September 6, 2010 at 10:24pm by Dr Russ

Chemistry
What aldehydes and primary alcohols might be oxidized to yield the following carboxylic acids: 1)p-methylhexanoic acid 2)pentanoic acid #1 should have been p-methylcyclohexanoic acid (p is para). My homework has the structure drawn out and I named it wrong. Sorry. It has a CH3...
Saturday, March 20, 2010 at 1:32pm by Jamie

science
Are there any related structure from an asprin? To show how important an asprin is from using a carboxylic acid. You need to clarify your question. I need to produce a related structure of the molecular features of carboxyli acid, size hydrocarbon group on ester and distance ...
Thursday, July 12, 2007 at 6:18pm by jake

chemistry
write the formula of each acid and identify each as a diprotic, a triprotic, or a monoprotic acid sulfuric acid,perchloric acid,phosphoric acid,hydrofluoric acid,acetic acid
Saturday, May 14, 2011 at 5:13pm by courtney

Chemistry - Acid structure
I'm not aware of one.
Wednesday, November 17, 2010 at 8:11pm by DrBob222

Chemistry
What is the lewis structure for Propanoic Acid?
Saturday, December 4, 2010 at 5:49pm by Eddie

Chemistry - Acid structure
Acids have H^+ in them (usually) somewhere and they have an anion of come kind. We usually write HA as a generic acid.
Wednesday, November 17, 2010 at 8:11pm by DrBob222

Chemistry - Acid structure
Thank you! Also, is there a "generic" neutral compound?
Wednesday, November 17, 2010 at 8:11pm by Anonymous

chemistry
How do you draw the structure of the reaction of 1-hexene with h2o in the presence of acid
Wednesday, November 13, 2013 at 10:38am by michelle

Chemistry
What is the strongest intermolecular force in a sample of butanoic acid, and why? H H H O . . . .. H .C .C. C .C .O.H . . . H H H Is this structure right?
Wednesday, November 16, 2011 at 10:38pm by Sam

Chemistry
Provide the name or chemical formula, as appropriate, for each of the following acids: a. hydrobromic acid HBr b. hydrosulfuric acid H2SO4 c. nitrous acid HNO2 d. H2CO3 carbonic acid e. HClO3 chloric acid f. HC2H3O2 acetic acid How'd I do? :)
Wednesday, September 16, 2009 at 9:46pm by Anonymous

science
If the amino acid is changed, the tertiary structure (interaction between R groups) will be changed. As a result, the protein's structure(/folding) and therefore function will be different.
Tuesday, December 18, 2012 at 10:49pm by TutorCat

Chemistry
Why does chloroform, under some conditions, dissolve in a mixture of acid acid and water? sorry, i meant acidic acid not acid acid.
Monday, March 26, 2007 at 5:33pm by Amy

O Chem
I need help with this question please. Draw the structure of triacylglycerol formed from oleic acid, linoleic acid, and stearic acid. Give balanced equation and show how much hydrogen would be needed to reduce the triacylglycerol completely, show the product.
Tuesday, October 19, 2010 at 12:55pm by David

chemistry
what is the formula for the following a) hydronitric acid b) nitrous acid c) phosphoric acid d) hydriochloric acid e) sulfuric acid?
Tuesday, March 4, 2008 at 5:43pm by john

Chemistry...Help?
I believe the answer to part (B) can be found in your text in the chapter on Acid Rain. It that chapter, it states that Carbonic Acid acts in the environment to keep rainwater at a pH of between 5 and 7. It then goes on to dicuss the term acid rain as pertaining to ...
Tuesday, May 12, 2009 at 9:03am by Beth

chemistry
We can't draw structures on this board. You can google the amino acid in question and probably find a Lewis dot structure.
Saturday, March 24, 2012 at 8:52pm by DrBob222

Chemistry
1. How do intermolecular forces differ in different alcohols? 2. Why does oxaloacetic acid has a higher Ka than succinic acid? a. fewer carboxyl groups b. a less polar structure c. addtional functional groups that make it more soluble in water d. fewer hydrogen atoms that can ...
Wednesday, May 13, 2009 at 9:16pm by anonymous

chemistry(check my answer)
how do resonance structure related to its real structure? resonance structure is just another way to write the lewis dot with different formal charges and bond order
Thursday, April 8, 2010 at 1:21am by phys

Chemistry
Identify the true statement about Lewis structures. Select all the correct answers. 1. Hydrogen is usually surrounded by 4 electrons in a valid Lewis structure. 2. A single bond in a Lewis structure represents 2 electrons. 3. A double bond in a Lewis structure represents 2 ...
Tuesday, February 26, 2013 at 11:37am by will.i.am

biology
This is an educated guess using info thati already know and applying it, so it will probably need a 2nd opinion. Enzymes denature when they are introduced to too much heat because it breaks the hydrogen bonds in their 3D-globular structure (If you've learnt about that you ...
Wednesday, October 15, 2008 at 9:28pm by Benjy

Chemistry
What is the difference between an amino acid and a protein? How does this difference in structure affect biological function?
Monday, February 23, 2009 at 7:38pm by Laura

Chemistry
Is the structure for chlorous acid H O Cl O or H Cl O ? O I was thinking that both could be correct but I am not 100% sure.
Wednesday, November 9, 2011 at 6:21pm by Hannah

Chemistry
Is the structure for chlorous acid H O Cl O or H Cl O ? O I was thinking that both could be correct but I am not 100% sure.
Wednesday, November 9, 2011 at 8:25pm by Hannah

Chemistry
Need help with AP chemistry, specifically Acids and Bases The acid ionization constant, Ka, for propanoic acid, C2H5COOH, is 1.3  10 -5 . (a) Write the expression for the acid-dissociation constant, Ka for propanoic acid. (b) Calculate the hydrogen ion concentration, [...
Monday, April 9, 2012 at 8:59pm by Sam

Chemistry Check
yes, correct. Bromic acid would have been HBrO3. Bromic acid is a ternary acid, Hydrobromic acid is a binary acid.
Tuesday, June 22, 2010 at 9:08pm by bobpursley

science
I need to produce a related structure of the molecular features of carboxyli acid, size hydrocarbon group on ester and distance between oxygeeb atom joined to the ring and -oh group of the carboxylic acid? I have got no ideas on where to start. Start by rephrasing your ...
Friday, July 13, 2007 at 4:05pm by rain

Chemistry
If 20mL of a 0.100 M NaOH solution are required to titrate 0.25 grams of an unknown acid, what is the equivalent mass of the acid? If the acid actually contains 3 moles of H+ per mole of acid what is the molecular mass of the acid?
Tuesday, February 4, 2014 at 12:00pm by Linda

Chemistry
No, the true structure is a resonance hybrid of all of the possible Lewis structures that one can draw. Actually, no Lewis structure that we can draw is the correct structure.
Sunday, October 25, 2009 at 11:49am by DrBob222

chemistry
what transition metal complex is responsible for transporting oxygen in our blood? Also, what is its structure? The transition metal (there are several transition series---I assume you are referring to the 3d transition metals) is iron. As to its sturcure, the iron itself has ...
Tuesday, April 17, 2007 at 10:32pm by Bob

Chemistry-Please help
You're supposed to write the acid. For example, the acid of Cl^- is HCl. The acid of SO4^2- is H2SO4. Therefore, the acid for AsO4^3- is H3AsO4.
Monday, November 5, 2012 at 11:51pm by DrBob222

Chemistry-help
If you mixed solid sodium carbonate with HCl (aq) the sodium carbonate dissolves in the water solution of acid, becoming (aq). Now if you use CaCO3 instead, it is not soluble in the water, so what happens is the acid attacks the ionic structure of the chalk, breaking it apart...
Friday, April 10, 2009 at 9:57am by bobpursley

chemistry
Methanol + Butanoic acid + Sulfuric acid = Pinapple Methanol + Salicylic acid + Sulfuric acid = wintergreen Ethanol + Methanoic acid + Sulfuric acid = rum How to write the chemical formulae for each?
Thursday, April 24, 2008 at 7:08pm by Anonymous

Chemistry
the primary structure consisted of beta-pleated sheet..so the secondary structure is where the structure coiled and characterized by an alpha-helix. i don't about random coils... i chose hydrogen bond but its wrong..so its alpha helix....
Friday, May 31, 2013 at 12:36pm by barco

Chemistry
The solubility of compounds containing the carboxylic acid group can be increased by reaction with a) sulfuric acid b) nitric acid c) sodium hydroxide d) water e) benzoic acid
Sunday, March 21, 2010 at 8:27pm by Kristin

chemistry
predict the order of increasing acidity of the compounds. Give a brief explanation why. Butanoic acid-Nexanoic acid-Benzoic acid-Acetic acid. thx
Saturday, November 6, 2010 at 12:26pm by david

Chemistry
which of the following statements are true? a) For an acid H-O-A : the greater the electronegativity of A, the weaker the acid HA b) For an acid H-A : the weaker the H-A bond, the stronger the acid H-A c) HF is a stronger acid than HCl d) HClO4 is a weaker acid than HClO2 e) ...
Thursday, October 15, 2009 at 2:20pm by Anonymous

Grade 12 Bio Please try to help me
Hopefully something in the following search will help you: http://search.yahoo.com/search?fr=mcafee&p=Hypothesis+the+structure+of+the+nucleic+acid. Sra
Monday, May 9, 2011 at 2:47pm by SraJMcGin

Chemistry
A 7mL triprotic acid was analyzed and found to contain 0.2572 grams of acid, evidence of phosphate group. Find the molecular weight of the acid, and identify acid. Thank you.
Wednesday, April 3, 2013 at 1:25am by Dan

chemistry
It is an organic acid, based on cyclic hydrocarbon structure, it is corrosive, covalent, and is used in derivative form in many cancer chemotherapy drugs. I have no idea what type of descriptor you were looking for.
Wednesday, November 28, 2007 at 4:52am by economyst

Chemistry
I need to be able to tie in acetic acid and boric acid. To decipher properties of acid-base chemistry and how they adhere to Le Chateliers principle. I appreciate any input....
Tuesday, November 30, 2010 at 3:49pm by Colleen

Chem
What structure do you get when you mix benzoic acid with H3O+? Where benzoic acid is a benzene ring with COOH attached to one of the hydrogens in the ring? Please help!
Thursday, February 7, 2013 at 12:15pm by Anonymous

College Chemistry
nicotinic acid (niacin) is a monoprotic acid with the formula HC6H4NO2. A solution that is 0.012M in the nicotinic acid has a pH of 3.30 at 25C. what is the acid-ionization constant, Ka and pKa for this acid at 25C?
Thursday, March 5, 2009 at 2:35pm by Anonymous

chemistry
a is ok. In SOLUTION this is hydrofluoric acid. b is ok. In SOLUTION this is hydrobromic acid. c. is nitric acid d. is sulfuric acid. e is phosphoric acid.
Monday, March 3, 2008 at 8:32pm by DrBob222

Chemistry
What chemical feature in the protein dictates the local secondary structure? α-helix β-pleated sheet random coils amino acid sequence pH hydrogen bonding
Friday, May 31, 2013 at 12:36pm by jo

chemistry
What chemical feature in the protein dictates the local secondary structure? α-helix β-pleated sheet random coils amino acid sequence pH hydrogen bonding
Saturday, June 1, 2013 at 8:19am by Pebble

chemistry
Pure acetic acid (HC2H3O2) is a liquid and is known as glacial acetic acid. Calculate the ient M 1) Explain why the lattice energy of MgS is approximately 4 times as large as that of NaCl. 2) Draw the Lewis structure for the acetate ion, CH3CO2, including any important ...
Saturday, July 16, 2011 at 2:01pm by oria

chemistry(correction)
I have been informed by DrBob222 that the structure of ethanol is actually CH3CH2OH, rather than what I wrote. Nevertheless, it is true that an asymmetrical structure is the source of the diple moment. Chemistry is not my field of expertise; I apologize for the error
Saturday, March 8, 2008 at 6:35am by drwls

chem
an (aq) ammonium chloride solution, rather than H2SO4, is used in the hydrolsis of the magnesium complex of 1,1-diphenylethanol to ensure that no acid catalyed dehydration occurs. write the chemical structure of the dehydration product from 1,1-diphenylethanol? -so isnt the ...
Saturday, March 7, 2009 at 9:35pm by yen

Chemistry
It's done with moles. You have acid acid for the acid so I don't know which acid you are using. mols base = M x L = 0.1 x 0.002 L = xx mols acid = M x L = 0.1 x 0.008 L = yy There will be xx mols salt formd. There will be xx mols acid - yy mols base = excess acid unreacted. ...
Monday, April 14, 2008 at 2:35am by DrBob222

chemistry
Methanol + Butanoic acid + Sulfuric acid = Pinapple Methanol + Salicylic acid + Sulfuric acid = wintergreen Ethanol + Methanoic acid + Sulfuric acid = rum
Wednesday, April 23, 2008 at 11:30pm by Anonymous

Chemistry
For acids of the same general structure but differing electronegativities of the central atoms, acid strength decreases with increasing electronegativity of the central atom. True or false
Thursday, November 15, 2012 at 2:22pm by Josh G.

Chemistry (polarity)
I have to determine whether these certain chemicals are polar or not: Beta- sitosterol Methyl cinnamate Lapachol Ethyl p-hydroxy cinnamate Betulic acid 3,4,5- trihydroxy-7-methoxy flavone Veratric acid p-anixic acid If there is a website that could make determining whether ...
Sunday, January 7, 2007 at 7:11pm by Jennifer

Chemistry
For fluoracetic acid the highest Boltzmann distribution is when the dihedral angle is at 0 degrees. However, going from chloro- to bromoacetic acid, an increasing dip in the Boltzmann distribution occurs at 0 degrees. What is responsible for this "dip?" (HINT: look at how the...
Monday, July 12, 2010 at 7:34pm by Anth

College chemistry
Pure acetic acid (HC2H3O2) is a liquid and is known as glacial acetic acid. Calculate the ient M 1) Explain why the lattice energy of MgS is approximately 4 times as large as that of NaCl. 2) Draw the Lewis structure for the acetate ion, CH3CO2, including any important ...
Friday, July 1, 2011 at 7:59pm by oria

chemistry
I'm looking for the Lewis structure but not PbCl2. I need the Lezis Structure of PbCl3.
Tuesday, November 24, 2009 at 9:45am by Jeremy

Chemistry
Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral? Al(ClO4)3-Acid LiCl-Neutral KClO2-BAse C6H5NH3NO2-Acid CH3NH3Br-Acid KCl-Neutral NaClO-Base NH4ClO-Acid Fe(ClO4)3-Acid C2H5NH3NO3-Acid Is this right?
Saturday, October 23, 2010 at 2:19pm by Anonymous

Chemistry
Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral? Al(ClO4)3-Acid LiCl-Neutral KClO2-BAse C6H5NH3NO2-Acid CH3NH3Br-Acid KCl-Neutral NaClO-Base NH4ClO-Acid Fe(ClO4)3-Acid C2H5NH3NO3-Acid Is this right?
Saturday, October 23, 2010 at 4:15pm by Anonymous

chemistry
what is the lewis dot structure for SO4 -2 and the ideal bonds, mollecular structure and hybrid orbitals?
Thursday, January 15, 2009 at 5:06pm by Raj

Chemistry 101
The structure of oxalic acid is shown at: (Broken Link Removed) Each carbon atom is connected to 3 other atoms (1 double and 2 single bonds). That is sp^2 hybridization. The two double bonded oxygen atoms are also sp^2 hybridized (1 double bond and 2 nonbonding electron pairs ...
Wednesday, June 10, 2009 at 1:43pm by GK

chemistry
Describe the structure of the water molecule and indicate how this structure is responsible for many of the unique properties of this vital compound.
Monday, August 4, 2008 at 3:39pm by kayla

Chemistry-Polarity
Ok, having a different structure makes sense - so how would I know what the structure is like for a specific molecule?
Saturday, November 14, 2009 at 8:36am by Mary

Chemistry - Bond Order
I spent some time looking on the web for the Lewis structure for BN but had no luck. I would do it this way. B:::N: B has 3e and N has 5 and 8 total. The structure I have drawn has zero formal charge on both B and N. The structure I have drawn has no unpaired eletrons; ...
Sunday, May 2, 2010 at 9:35pm by DrBob222

chemistry
Which of these are acidic, basic or a salt...Why? Al(NO3)3 K2CO3 NaBr NaHSO4 NH4Cl Do you know of any website I can use to help me use the atomic structure to find out whether it is an acid or base? Thanks
Saturday, February 23, 2008 at 1:08pm by Jess

Chemistry
Automobile batteries contain sulfuric acid, which is commonly referred to as "battery acid." Calculate the number of grams of sulfuric acid in 0.650 L of battery acid if the solution has a density of 1.28 g/mL and is 38.1% sulfuric acid by mass.
Sunday, August 18, 2013 at 3:34pm by Anonymous

Chemistry
I'm looking at a protein in a 3D visualization program (PyMol). I have the full amino acid sequence list. How do I determine *where* there are hydrophobic interactions that are stabilizing the tertiary structure? I know what hydrophobic interactions are in general, and I can ...
Friday, October 17, 2008 at 7:20pm by chemstudent

chemistry
how to draw atomic structure for elements from scandium to zinc ?and what is their valency number.plz show me the shell structure.
Saturday, September 22, 2012 at 11:02pm by J.Nandhini

Chemistry
Yes and no. (acid) is not 1.8E-5; that's ka for acetic acid. You put 250*0.56 for base and mL*0.500 for acid; solve for mL acid.
Tuesday, April 10, 2012 at 10:43am by DrBob222

Grade 12 Chemistry
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 the...
Sunday, January 5, 2014 at 6:53pm by Anonymous

Chemistry
What is the pH of a solution that is .060M in potassium propionic and .085M in propionic acid? Ka=1.3E-5 for the acid. The answer is +4.73 but I don't know how to go about the problem. I thought that the potassium propionic was reacting with the acid to form their conjugate ...
Thursday, March 21, 2013 at 9:20pm by Jonah

chemistry
Polyglycolic acid, PGA, is a polymer that we know rather well how to control the structure of (even though there are currently only limited applications). So in the lab we have created two types of PGA for testing, a linear chain PGA and a branched chain PGA. Assume comparable...
Saturday, December 21, 2013 at 10:08am by Dick

Chemistry
But Dr.Bob,from what I refer,NH3+CH2COOH is the strongest acid since it has both acid and NH3 protonated.Acetic acid is a weak acid,I'm not sure about the CH3CONHCH2COOH. That's what confuses me
Monday, April 9, 2012 at 11:43am by Meenaakshi

Chemistry
What is the structure of a tripeptide where glycine is first, serine is second, and alanine is third. Draw the structure in the proper zwitterionic form.
Sunday, March 14, 2010 at 9:01pm by Holly

Chemistry
There is no set formula for this because you can have all kinds of acids together. In this particular case you have HCl (a strong acid that ionizes 100%) and acetic acid (a weak acid that ionizes only about 1%). Also, the strong acid represses the ionization of acetic acid ...
Monday, November 5, 2012 at 2:11pm by DrBob222

chemistry
14 is 1.42e9, 2.36e-10 15 is 7.23e-11, 2.48e-11 16 is 6.89 20 is structure A, decrease, increase Zm is wrong 29 is branched structure, branched structure, Linear, because the branches can become more entangled than the linear chain.
Thursday, December 19, 2013 at 7:37am by Tania

Chemistry
If you will type in the name in google sometimes it will give you a site showing the structure. If you get one with Wikipedia, that almost always shows a structure.
Wednesday, December 19, 2012 at 10:23pm by DrBob222

Chemistry
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 ...
Friday, February 17, 2012 at 8:08pm by James

chemistry
I am not exactly sure what you mean by "what is the explanation of the pure acetic acid?" Acetic acid or ethanoic acid is clear colourless liquid. Pure acetic acid is sometimes called glacial acetic acid because it forms ice like crystals when it solidifies at abut 16C.
Thursday, June 24, 2010 at 1:15am by Dr Russ

College Chemistry - Science
At room temperature (25C), 45 mL of a 0.002 M acid solution reacts with 30 mL of a NaOH (aq) solution (pH = 11.95), determine (through calculations) whether the acid is phosphoric acid (H3PO4), acetic acid (CH3COOH), or carbonic acid (H2CO3).
Sunday, March 2, 2014 at 7:54pm by Anonymous

O-Chem 253
I hydrolized the following compound: cis-norbornene-5,6-endo-dicarboxylic anhydride then took the cis-norborene-5,6-endo-dicarboxylic acid and added H2SO4 to it (warmed it up and cooled it) then added drop by drop water (then I reheated the mixture and crystallized it again). ...
Tuesday, June 8, 2010 at 2:12pm by Dmitry

Chemistry
Would heating a tertiary alcohol change its structure and reaction with hydrochloric acid and potassium permanganate (KMnO4)? Tertiary alcohols resist oxidation, but can be oxidised by reagents such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone.
Monday, October 9, 2006 at 6:57pm by Laura

chemistry
Which weak acid would be best to use when preparing a buffer solution with a pH of 8.50? 1) an acid with Ka=3.3x10^-9 2) an acid with Ka=5.0x10^-4 3) an acid with KA=6.3x10^-6 4) an acid with Ka=5.0x10^-7 5) an acid with Ka=4.0x10^-5 6) an acid with Ka=2.0x10^-10
Monday, April 8, 2013 at 3:31pm by Anonymous

Chemistry
Probably boric acid, H3BO3. But if you use concentrated H2SO4 for the acid, you also will get a lot of heat due to the heat of hydration of the acid, itself; so much so that the acid hydration reaction will overwhelm the boric acid formation, especially if you have a ...
Thursday, January 1, 2009 at 5:18pm by DrBob222

chemistry
Use the Henderson-Hasselbalch equation. You will need to look up Ka for formic acid and convert to pKa. Calculate the ratio Base/acid. Then acid + base = 1 and base/acid = from above. Two equations and two unknowns. Solve for acid and base. I get something like 600 mL acid and...
Tuesday, March 2, 2010 at 1:10am by DrBob222

chemistry
concentrated aqueous sulphuric acid is 98% sulphuric acid by mass and has a density of 1.80 g/l. Volume of acid required to make one litre of 0.1M sulphuric acid solution is
Wednesday, July 31, 2013 at 7:31am by Pooja

chemistry
Consider the Ka values for the following acids: Cyanic acid, HOCN, 3.5 10-4 Formic acid, HCHO2, 1.7 10-4 Lactic acid, HC3H5O3, 1.3 10-4 Propionic acid, HC3H5O2, 1.3 10-5 Benzoic acid, HC7H5O2, 6.3 10-5 Which of the following is the weakest base? is it propanionic i ...
Wednesday, May 26, 2010 at 1:31am by michael

Chemistry
Calculate the percent ionization of nitrous acid in a solution that is 0.311 M in nitrous acid (HNO2) and 0.189 M in potassium nitrite (KNO2). The acid dissociation constant of nitrous acid is 4.50 10-4.
Saturday, November 17, 2012 at 1:02am by Josh G.

Chemistry
Since benzoic acid is an acid and quinine is a base, there is the possibility of them reacting to produce a salt. I don't have a set of tables, perhaps you do, that will give you the conjugate acid strengths. Bacid + quin ==> Bconj base + qconj acid acid + base ==> conj ...
Tuesday, March 31, 2009 at 7:29am by DrBob222

chemistry
Lactic acid, HC3H5O3(aq) is a weak acid that gives yougurt its sour taste(Yeeeeecccckkk). Calculate the pH of a 0.0010 mol/L solution of Lactic acid. The Ka for lactic acid is 1.4 x 10^-4
Saturday, April 5, 2008 at 6:37pm by Geroge B.

Chemistry
A 0.23 M solution of a weak acid has a pH of 2.89. What is the Ka(acid ionization constant)for this acid?
Tuesday, November 16, 2010 at 5:03pm by Sarah

Chemistry
A 0.23 M solution of a weak acid has a pH of 2.89. What is the Ka(acid ionization constant)for this acid?
Tuesday, November 16, 2010 at 8:52pm by Sarah

Chemistry
Predict whether the Ph endpoint is =7 >7, or<7 for each of the following acid-base titrations. Justify you predictions a) hydroiodic acid with sodium hydroxide. b)boric acid with sodium hydroxide c) hydrochloric acid with magnesium hydroxide d) hydrochloric acid with ...
Sunday, June 13, 2010 at 1:53pm by Adeola

Chemistry please help
How would an HA acid behave in water if it were a strong acid, weak acid, and non-electrolyte?
Saturday, March 31, 2012 at 10:02pm by Robert

chem
How many structural isomers of dicloro,hydroxy,butanoic acid are there? Is there a website that has the structure with names??? The point of this question is to get you to draw the compound, then move the cloro and hydroxyls and count the variations. So draw the butanoic acid...
Thursday, September 1, 2005 at 9:20pm by Nisar

chemistry
Ascorbic acid is a weak organic acid also known as vitamin C. A student prepares a 0.20 mol/L aqueous solution of ascorbic acid and measures its pH as 2.40. Based on this evidence, what is the Ka of ascorbic acid?
Sunday, April 6, 2008 at 12:46am by Laura

chemistry
when 1.00 g of stearic acid ( a saturated fatty acid) is dissolved in water, then diluted to exctly 10.00 ml, the PH of the resulting solution is 2.73.the fornula weight of steric acid is 284.5. calculate ka and pka for this acid
Saturday, December 3, 2011 at 3:41am by saud

Chemistry
Metals above hydrogen in the reactivity series react with dilute hydrochloric acid or dilute sulphuric acid to give metal chloride + hydrogen. 1)Is it correct to say that we use dilute acid,not concentrated acid because the reaction can take place with dilute acid & will be ...
Sunday, January 25, 2009 at 10:48pm by candy

Chemistry
A 0.60 M solution of a weak acid, HA, has a pH of 3.72. What is the percentage ionization of the acid? What is the value of Ka for the acid?
Wednesday, April 16, 2014 at 9:58pm by Anonymous

Chemistry
Citric acid H3C6H5O7, occurs in plants. Lemons contain 5% to 8% citric acid by mass. The acid is added to beverages and candy. An aqueous solution is 0.688m citric acid. The density is 1.049 g/ml. What is the molar concentration?
Thursday, February 7, 2008 at 8:09pm by Lauren

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