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September 19, 2014

Search: What volume of 0.5 nitric acid would be required to completely nuetralize 300 ml 0f 1.0 N of sodium hydroxide?

Number of results: 70,020

Chemistry II
A total of 30.6 g of potassium hydrogen phthalate is needed to completely neutralize a 500.0 mL solution of sodium hydroxide. What is the molarity of the sodium hydroxide solution?
October 21, 2009 by Mandy

Titration/Acid-base chem
a .4000 M solution of nitric acid is used to titrate 50.00 mL of .237 M barium hydroxide (Assume that volumes are additive). a) Write a balanced net ionic equation for the reaction that takes place during titration. b) what are the species present at the equivalence point? c) ...
May 6, 2007 by Keith

Chemistry
How many mL of .150 M sodium hydroxide is required to neutralize 25 mL of .125 M of phosphoric acid?
March 26, 2012 by Kate

Chem
How many mL of .150 M sodium hydroxide is required to neutralize 25 mL of .125 M of phosphoric acid?
March 26, 2012 by Kate

Chemistry
I have no idea how to approach this problem. Given sodium hydroxide, sulfuric acid, sodium silicate and magnesium hydroxide, which has low solubility? Please help, I'm reviewing for a test.
December 17, 2009 by Jan

Chemistry
At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of oxygen gas and excess water to produce nitric acid according to the following equation: 2NO(g)+(3/2)O2(g)+H2O(l)-->2HNO3(g) If all of the nitric acid produced by this reaction is dissolved into 25 mL of...
March 31, 2010 by Claire

chem
On Easter Sunday, April 23, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate. 2 HNO3(aq) + Na2CO3(s) 2 NaNO3(aq) + H2O(l) + CO2(g) (a) Calculate H for this reaction. kJ Approximately 1.0 104 gal nitric ...
November 26, 2007 by mel

chemistry
How much 0.150 M sodium hydroxide would be required to just neutralize 15 mL of 0.175M hydrochloric acid? 15mL x 0.150M/0.175M=12mL correct!
June 29, 2010 by Jetta

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 ...
June 3, 2008 by john( ignore last post sorry)

Biochem
You have prepared a 400 mL of a .210 M acetate buffer solution with a pH of 4.44. 1. Determine the concentration of both the acetate and acetic acid in the solution. 2. If you made this solution using solid sodium acetate (MW = 136 g/mol) and liquid acetic acid (17.6 M, ...
September 24, 2013 by Ross

Chemistry
Experiment on Titration of Acids and Bases Suppose some deionized water was left in the buret before it was filled with the oxalic acid solution you were using as a primary standard. When you perform the standardization of sodium hydroxide in Part 3, how would the excess water...
December 7, 2010 by Jerome

chemistry
If 100 mL of a 3 M solution of sodium hydroxide is diluted to a total volume of 600 mL with distilled water, what will the final concentration of sodium hydroxide be?
February 17, 2010 by Brittany

physical science(chemistry change)
Experiment of tiratic oxilic acid wih mass 4,5g and volume of 25ml,nd concentration of 0,05mol.dm.3 against volume of 14ml and 1,79mol.dm3 sodium hydoxide to determine the concentration of sodium hydroxide,,show all the working,aim,results,observation of result,discussion
June 12, 2014 by dineo

Chemistry
What volume of 3.0M sodium hydroxide will be needed to neutralize 2.0 L of 1.0M hydrochloric acid?
March 21, 2012 by Laurie

ap
If aqueous hydrofluoric acid is reacted with sodium hydroxide, which of the following sub- stances are in the net ionic equation? 1. fluoride ion, hydronium ion, and water 2. hydrofluoric acid, sodium ion, hydroxide ion, and fluoride ion 3. hydrofluoric acid, hydroxide ion, ...
October 1, 2012 by cheri

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 ...
June 3, 2008 by john

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 mL firstly its a ...
December 14, 2008 by student

algebra
Two acid solutions are available to a chemist. One is 10% nitric acid solution, the other is 4% nitric acid solution. How much of each type of solution should be mixed together to form a 600 ml of a 6% nitric acid solution?
September 17, 2014 by Ahna

chemistry
Find the false statement(s) about the thermochemistry experiment in which nitric acid is reacted with sodium hydroxide, and the enthalpy of the reaction is measured using an ice calorimeter. i. Regardless of which strong acid and strong base are used for the neutralization ...
November 16, 2008 by Anonymous

chemistry
At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of oxygen gas and excess water to produce nitric acid according to the following equation: O (g) H O(l) 2 HNO (g) 2 2NO(g) 3 + 2 + 2 ⎯⎯→ 3 . If all of the nitric acid produced by this ...
March 21, 2010 by bob

chemistry
what volume of .5 m sulfuric acid is needed to react completely with 10 mL of 2m potassium hydroxide
April 26, 2010 by Sadie

College Chemistry
calculate the average volume of sodium hydroxide required for the titration of 25.00mL of the standard sulfuric acid solution. From my data i have trial 1 and 2 to be 19.80ml and 19.80ml of NaOH used so do i just add them and divide it by two to get the average?
September 28, 2012 by Anonymous

Biochemistry
Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use.
March 12, 2013 by Jen

Biochemistry
Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use.
March 13, 2013 by Jen

Chemistry-please help
"Use a 10% w/v nitric acid solution." How to prepare 10% w/v nitric acid solution? Do I just weigh 10g of conc nitric acid (65%) and dilute to 100ml with water?
October 11, 2011 by jessie

Chemistry
Stomach acid is 0.02M HCl. A 330mg antacid tablet is 41% magnesium hydroxide and 36.2% sodium Bicarbonate. What is the volume of acid that can be neutralized by one tablet?
May 21, 2011 by Alex

Chemistry
Stomach acid is 0.02M HCl. A 330mg antacid tablet is 41% magnesium hydroxide and 36.2% sodium Bicarbonate. What is the volume of acid that can be neutralized by one tablet?
May 21, 2011 by Alex

Organic Chemistry
What is the product formed from a reaction of butanal and sodium hydroxide? cyclopentanone and sodium hydroxide? acetophenone and sodium hydroxide? Thanks. You want to look up information about the Aldol condensation.
March 6, 2007 by Rob

chemistry
how would i create a 100mL solution of 0.1N nitric acid using 6.25N nitric acid?
February 26, 2008 by lisa

chemistry
A 25 mL solution of nitric acid was placed in a flask and a few drops of phenolphthalein were added. Dilute sodium hydroxide was added util the indicator changed colour. It was found that 28 mL of the alkali was used. (a) What colour was the solution in the flask at the start ...
August 7, 2014 by Shane

chem
Sulfuric acid reacts with sodium hydroxide according to this equation: H2S04 + 2 NaOH Na2(SO4) + 2 H2O A 10.00 mL sample of the H2SO4 solution required 13.71 mL of 0.309 M NaOH for neutralization. Calculate the molarity of the acid.
November 21, 2012 by Liang9506

chemistry
calculate the mass of oxalic acid dihydrate C2H2O4.2H2O required to react with 30 ml of 0.20 M sodium hydroxide solution?
October 27, 2009 by lou

Chemistry
What volume of 18.00 M HCl is required to completely neutralize 750.0 kg of barium hydroxide at 25.0 degrees C and 760 mm Hg?
June 8, 2010 by Sean P.

chemistry
hello!!! what volume of hydrochloric acid concentration 0.1 mol is required to neutralise 100 cm3 of sodium hydroxide solution concentration 0.1 mol can you please expalin this question step by step i really dont understandand how to do it thank you very much
December 1, 2008 by lila

Chemistry
1.The Volume of oxygen required for the complete combustion of 500ML of ethyne at STP..A)2.00ML B)1.25 C)1.71 D)1.00 2.A Chemical Engineer finds that 250ml CuSO4 reacts with excess NaOH to create 2.37g of precipitate.Calculate the Concentration of copper(II) Sulphate solution...
June 4, 2009 by Alex

chemistry
what volume of .025 M hydrochloric acid will neutralize 150 milliliters of .0133 M sodium hydroxide?
January 24, 2013 by jessica

chemistry
write ionic equation for : potassium carbonate and sodium sulfate sulfuric acid and strontium chloride potassium phosphate and sodium hydroxide sodium hydroxide and strontium chloride
October 23, 2011 by ceezale

Chemistry
I don't know how to reply to an answer. First of all thank you! For the question I just asked about the titration curves. Would that mean that titrating with barium hydroxide would take half the volume that is used when titrating with sodium hydroxide? Oh and there was a ...
March 6, 2012 by Niki

Chemistry
How to make 10% nitric acid? wouldnt it be 10 mL nitric acid + 100 mL of solvent, making it 10%? What molarity is used it to make 10% nitric acid?
February 3, 2013 by Merlina_Lyn

Chemistry
What volume (mL) of a concentrated solution of sodium hydroxide (2.00 M) must be diluted to 600.0 mL to make a 0.860 M solution of sodium hydroxide? Express your answer to the nearest tenth mL.
March 10, 2010 by Camarra

Chemistry.. help plz
3. How much 0.10 M Base (in mL) is required to neutralize 8.00 mL of the 0.10 M acid? Base Acid Base Volume (mL) NaOH HCl ____________ NaOH HC2H3O2 _____________ 4. How would the volume of base change from problem three if the 8.00 mL of 0.10 M Acid was first diluted with 100...
May 1, 2008 by Amy

Chemistry
If aqueous hydrofluoric acid is reacted with sodium hydroxide, which of the following substances are in the net ionic equation? 1. fluoride ion, hydronium ion, and water 2. fluoride ion, hydroxide ion, hydronium ion, and water 3. hydrofluoric acid, sodium ion, hydroxide ion, ...
October 16, 2010 by Elva

Chemistry
Calculate the molarity of the solutions made by dissolving the following amounts of solute in water and making the volume up to the stated value. 5.0mol nitric acid in 2.0L Do I just find the molarity for nitric acid only, because when I write out the balanced equation, the ...
August 28, 2012 by Jiskhaa

Chemistry
Hello, I had a lab about calorimetry and one of the questions was if the reaction of acetone with hypochlorite is an oxidation/reduction or acid/base. Would the answer be: oxidation/reduction because the oxygen from the hydroxide from the Sodium hydroxide detaches and joins ...
May 16, 2012 by Robert

chemistry
if you are given a acid solution, how do you find the concentration of hydroxide .. solution is made of hydrochloric acid and sodium hydroxide
December 18, 2008 by Anonymous

chemistry
If you wanted to hydrolyze 1 mole of PLA into 1 mole of sodium lactic acid, how many moles of sodium hydroxide would you need?
February 22, 2011 by meg

CHemistry
a capsule of vitamin C.. a weak acid, is analyzed by titrating it with 0.425 M sodium hydroxide. it is found that 6.20 Ml of base is required to react with capsule weighing 0.628 g. what is the percentage of vitamin C (C6H8O6) in the capsule?( one mole of vitamin C reacts with...
October 22, 2008 by Komal

chem
Calculate the volume of 0.200 M acetic acid and the volume of 0.100 M sodium acetate required to make 200.0 mL of a buffer solution with pH = 5.00. The Ka for acetic acid at 298 K is 2.00 x 10-5.
April 4, 2011 by chem

chemistry
How much 0.10 M Base (in mL) is required to neutralize 8.00 mL of the 0.10 M acid? Base Acid Base Volume (mL) NaOH HCl ___________ NaOH HC2H3O2 ___________ How would the volume of base change from problem above if the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of ...
May 1, 2008 by Amy

chemistry
How much 0.10 M Base (in mL) is required to neutralize 8.00 mL of the 0.10 M acid? Base Acid Base Volume (ml) NaOH HCl ___________ NaOH HC2H3O2 ___________ How would the volume of base change from the problem above if the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of...
May 1, 2008 by Amy

Chem
In a titration process it takes 22.00 mL of nitric acid to neutralize 16.70 mL of 0.200 M calcium hydroxide solution. what is the balanced equation and what is the molarity of the acid. please explain
June 13, 2012 by Piper

chemistry
explain whether using solid sodium hydroxide pellets rather than aqueous sodium hydroxide would alter the enthalpy
July 11, 2014 by Liz

Chemistry
How many mL of 1.211 Molarity sulfuric acid is required to completely neutralize 10.0 mL of 3.210 Molarity calcium hydroxide?
March 23, 2011 by Bruce

chemistry
a solution of sulphuric acid is titrated (allquot 20.0ml) with a solution of sodium hydroxide (0.1234M) 26.73ml of the base being required to the end point with phenolphthalein. calculate the molarity of the sulphuric acid solution
November 19, 2011 by payton

Chemistry
I have to sort compounds into groups, separating them by if they are acidic, Ionic, or Covalent. Heres the list: Calcium Carbonate Sodium Hypochlorite Sodium Chloride Sodium Hydrogen Carbonate Acetic Acid Ammonium Hydroxide Silicon dioxide Magnesium Sulfate Carbon Dioxide ...
December 10, 2012 by Kaylee

Chemistry- HW Check
I have seven homework problems. I did them but I wasn't sure if I did them correctly. Did I do them correct? Thank you! Give the reaction that describes how the hydrazine, N2H4(aq), / hydrazinium ion, N2H51+(aq), buffer reacts with a strong base such as sodium hydroxide. N2H4(...
November 15, 2011 by Maegan G

Chemistry
A sample of solid monoprotic acid with molar mass equal to 137.9 g/mol was titrated with 0.1879 M sodium hydroxide solution. Calculate the mass in grams of acid to be used if the volume of NaOH to be used is 25 mL.
October 8, 2007 by Raj

Chemistry
This is for a titration, to measure the amount of acid that can be neutralised by gaviscon. I know how to work out the first 3 but I'm not sure on the others. I think i need to use the calculation c=n x v but i don't know where and why? Theory. How do you work them out? (i)...
December 9, 2008 by Anonymous

Chemistry II
What volume of .0500 M calcium hydroxide is required to neutralize 38.50 mL of .0400 M nitric acid? 1. Write the equation. 2. M HNO3 x L HNO3 = mols HNO3. 3. Use the equation to convert mols HNO3 to mols Ca(OH)2. 4. Now use M x L = mols to calculate volume (L) Ca(OH)2. I ...
April 25, 2007 by Jayd

Chem
The following questions refer to the following system: A total of 30.0 mL of a .10M solution of a monophonic acid (Ka = 1.0 x 10 ^-5) is titrated with .20M sodium hydroxide solution. 1) Before the titration begins, the pH of the solution is about A) 2 B) 5 C) 7 D) 9 E) 12 2) ...
April 6, 2014 by Charlie

bio chem
Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use. pH = pKa + log ([A-]/[HA]) Ka= [H+][A-]/[HA] Molarity = moles/L moles = g/molecular weight
March 12, 2013 by Anonymous

Chemistry
Hi there - I'm going to post the question as written in my book. Three 20.0 mL samples of nitric acid are titrated with a 0.200 mol/L solution of sodium hydroxide. The results for the three trials are shown in the table below. What is the concentration of the hydrochloric acid...
June 5, 2011 by Dexter

Chemistry
Barium carbonate and nitric acid reacts in a double displacement reaction. One of products also dissociates and evolves carbon dioxide. Write the net ionic reaction including the proper use of phase labels for this solution run in aqueous solution. After this the following ...
June 24, 2013 by Holly

chemistry / help please
For each reaction,which ion in the precipitate was responsible for the color 1-reaction of Sodium Hydroxide and Copper(II)Sulfate 2-reaction of Sodium Sulfate and Barium Chloride. 3-reaction of Sodium Hydroxide and Iron(III)Sulfate. 4-reaction of Sodium Hydroxide and Nickel(II...
May 10, 2012 by Marie

Chemistry
To assay silver content in an alloy, a 13.38 g sample of alloy was dissolved in nitric acid. The addition of 0.53 molar sodium chloride resulted in the precipitation of silver chloride. If the alloy were pure silver, what volume of sodium chloride is needed to precipitate the ...
September 30, 2008 by Trevor

Chemistry
Washing soda is added to hard water to allow soap to lather. A certain brand of washing soda contains partially hydrated sodium carbonate solid. A 0.300 g sample completely reacts with 20.0 mL of 0.250 M hydrochloric acid. a What mass of sodium carbonate was present? b ...
February 19, 2008 by Lauren

dr bob HELP PLEASE
thanks dr Bob got thru 6 now I am stuck again 1. Hydrochloric acid + Sodium hydroxide > sodium chloride + water 2. Magnesium hydroxide + hydrochloric acid > Magnesium chloride + water
December 13, 2007 by sam

chemistry
40grams of sodium hydroxide was reacted with sulphuric acid to give 35grams sodium sulphate.calculate the percentage yield of sodium sulphate.
April 25, 2011 by avril

chemistry
write the reaction for the neutralization of nitric acid with calcium hydroxide.
November 23, 2009 by rita

Chemistry Help Please
The concentration of hydroxide ions in a solution of nitric acid 0.2 M is: a. 2 x 10-14 M b. 5 x 10-14 M c. 5 x 10-7 M d. 2 x 10-1 M IS IT D)?
May 15, 2013 by scilover

Chemistry
How many moles of sulfuric acid are required to neutralize 0.80 mol of sodium hydroxide? H2SO4 + 2NaOH -> Na2SO4 + 2H2O I got 0.40 mol. Is this right?
May 13, 2013 by Anonymous

Chemistry
Determine the molarity of a sodium hydroxide solution? if 37.34 mL of it are required to neutralize 1.922 g of citric acid. balanced equation- 3NaOH(aq)+H3C6H5O7-->3H2O(l)+NaC6H5O7(aq ***Plesae show steps.
March 7, 2012 by Cynthia

GEN CHEM
make 200.0 mL of a pH 5.00 buffer from 0.200 M acetic acid and 0.100 M sodium acetate. Calculate the volume of 0.200 M acetic acid and the volume of 0.100 M sodium acetate required to make 200.0 mL of a buffer solution with pH = 5.00. The Ka for acetic acid at 298 K is 2.00 x ...
April 26, 2011 by GEN CHEM

Chemistry - Science
In an acid-base experiment at 25.0C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid present in coke. The ...
March 2, 2014 by Anonymous

NEED HELP WITH CHEMISTRY HW
Ascorbic acid (vitamin C) is a diprotic acid having the formula H2C6H6O6. A sample of a vitamin supplement was analyzed by titrating a 0.2894 g sample dissolved in water with 0.0215 M NaOH. A volume of 10.83 mL of the base was required to completely neutralize the ascorbic ...
October 1, 2011 by Anonymous

chemistry
200cm^3 of 1.0 mol dm^-3 sulphuric acid,H2SO4 is poured into a 250 cm^3 volumetric flask.Distilled water is then added to make 250 cm^3 of solution. (a)What is the molarity of the diluted acid solution? (b)What is the volume of 1.6 mol dm^-3 sodium hydroxide,NaOH solution ...
May 7, 2014 by mandy

Chemistry
How many liters of nitric acid are needed to neutralize 25mL of 4.2M calcium hydroxide?
June 5, 2013 by Anonymous

Chemistry
Calculate the volume of 2.45 M NaI that would be needed to precipitate all of the Hg+2 ion from 185 mL of a 2.44 M Hg(NO3)2. AND Calculate the molarity of an acetic acid solution if 47.81 mL of the solution is needed to neutralize 147 mL of 1.32 M sodium hydroxide.
May 6, 2013 by Marsha

chemistry
suppose you had 5 gallons of sodium hydroxide solution with a concentration of two pounds of sodium hydroxide per gallon.what is the total amount of sodium hydrolyte?
June 23, 2010 by Ana

Chemistry
Copper dissolves in nitric acid, producing copper (ll) nitrate. After reaction with sodium hydroxide and heating, copper nitrate changes to copper (ll) oxide. Calculate the percent yield of this process if 1.235 g of copper produced 1.452 g of copper oxide.
October 28, 2007 by Raj

chemistry
sodium carbonate and hydrochloric acid react to give sodium chloride, carbon dioxide and water. How many grams of sodium carbonate and hydrochloric acid would be required to produce 286g of carbon dioxide? step by step answers please:)
December 29, 2012 by sarah

College Chemistry - Science
In an acid-base experiment at 25.0C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid present in coke. The ...
March 2, 2014 by Anonymous

chemistry
an aqeous sollution of 6.3 g oxalic acid is made up to 250 mL. calculate the volume of 0.1 N sodium hydroxide needed to neutralise 10 mL of this sollution?
September 8, 2013 by Anonymous

Chemistry
If 25.0 mLs of 0.150M nitric acid was used, how many grams of barium carbonate would be required for complete reaction?
July 2, 2013 by Jessica

science
how do i balance this equation: sodium hydroxide reacting with sulfurous acid [1 mol sulfurous acid reacts with 2 moles hydroxide ion] my hydrogens aren't balancing right 2 NaOH + H2SO3 -> Na2SO3 + 2 H2O ah thx, i accidently wrote H3O Why are oxygen tanks and spacesuits ...
October 19, 2006 by Dan

CHEMISTRY> HELP QUICK! pls
1. What is the amount of oxalate in 2 mL of 0.035M solution? a) 7 10C2 mole b) 1.75 10C2 mole c) 7 10C5 mole d) 1.75 10C5 mole 2. Sodium oxalate may be prepared by titrating oxalic acid (C2H2O4) with sodium hydroxide, according to the equation: C2H2O4(aq) + ...
August 28, 2010 by Lucinda

chemistry
The amount of lactic acid, HC3H5O3, produced in a sample of muscle tissue was analyzed by reaction with hydroxide ion. Hydroxide ion was produced in the sample mixture by electrolysis. The cathode reaction is given below. 2 H2O(l) + 2 e ‾ → H2(g) + 2 OH ‾ (aq...
May 3, 2010 by Long

chemistry
If you wanted to standardize an approximately 0.1 M solution of hydrochloric acid by titrating 10.00 mL (delivered from a pipet)with approximately 30mL of sodium hydroxide solution (delivered from a buret), what should be the approximate concentration of the sodium hydroxide ...
April 22, 2010 by Peter

chemistry
how many liters of 0.100 M HCL would be required to react completely with 5.00 grams of calcium hydroxide?
March 6, 2008 by mac

chemistry
How many liters of 0.250 M HCl would be required to react completely with 7.50 grams of magnesium hydroxide?
November 28, 2010 by Justin

chemistry
For the reaction between nitrogen and oxygen to form nitric oxide, beginning with 0.067 mol of N2, N2(g) + O2(g)= 2 NO(g) a. how many moles of O2 are required to completely consume the N2? b. how many moles of NO are obtained when the N2 is completely reacted?
February 13, 2012 by krystal

chemistry
if a small piece of sodium is dropped into water,it begins to react, forming hydrogen gas and sodium hydroxide. In the equation, 2Na(s)+2H2O(l) 2NaOH(aq)+H2(g),the sodium hydroxide that is formed is a..
August 5, 2012 by debbie

chemistry
Run # Volume NaOH used (mL) 1 4.1 2 4.3 3 2.8 Concentraion of NaOH: 0.113 M pH of acid: 2.84 the questions are: #moles of NaOH: ? initial acid concentration: ? Determine the Ka and pka of the weak acid: ? So here is what I did: Shaked for several minutes about 1 g of the acid ...
July 15, 2012 by fenerbahce

chemistry
suppose 5.00g of sodium carbonate reacts completely with excess of hydrochloric acid. Show how to calculate the mass (g) of sodium chloride that would be formed. Na2CO3 + 2HCl = 2NaCl + CO2 + H2O What is the limiting reagent?
July 21, 2011 by stephanie

chemistry
Nitric acid can be prepared from ammonia by the following steps; 4nh3 + 5o2 = 6h2o + 4no 2no + O2 = 2no2 2no2 + h2o = hno3 + hno2 3hno2 = hno3 + 2no + h2o If all the steps take place consecutively, completely and without recycling, what mass of ammonia is needed to give 6.3g ...
March 20, 2013 by Agashre

Chemistry
Ascorbic acid (vitamin C) is a diprotic acid having the formula H2C6H6O6. A sample of a vitamin supplement was analyzed by titrating a 0.3252 g sample dissolved in water with 0.0284 M NaOH. A volume of 13.27 mL of the base was required to completely neutralize the ascorbic ...
February 25, 2014 by Anonymous

Chemistry
Ascorbic acid (vitamin C) is a diprotic acid having the formula H2C6H6O6. A sample of a vitamin supplement was analyzed by titrating a 0.3252 g sample dissolved in water with 0.0284 M NaOH. A volume of 13.27 mL of the base was required to completely neutralize the ascorbic ...
February 25, 2014 by PM

Chem
What is the PH range between 58 grams and 87 grams of Sodium Hydroxide in 6 oz by volume of water. What is the PH range of that amount of Sodium Hydroxide in 8 oz of water. I need this information to learn to make soap using wood ash.
February 28, 2011 by Jeff

Chemistry
Are these correct also? Ammonium Chloride : NH4Cl Nitrogen Dioxide : NO2 Hydroiodice Acid : HI Stannous Iodide : SnI2 Perchloric Acid : HClO4 Sulfur Trioxide : SO3 Chromium (III) Oxide : Cr2O3 Nitric Acid : HNO3 Diphosphorous Pentoxide: P205 Mercurous Chloride : Hg2Cl2 ...
January 12, 2011 by Anonymous

chem
which of these substances dissolve in water? and are they elements or compounds? copper nitrate sodium hydroxide copper hydroxide copper oxide hydrochloric acid aluminum copper chloride hydrochloric acid
October 8, 2007 by Sar

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