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May 31, 2016

Search: treated with sodium iodide in acetone

Number of results: 5,133

Chemistry
copper sulfate reacts with sodium hydroxide producing copper hydroxide and sodium sulfate.. If sodium hydroxide is the limiting agent how many grams of copper hydroxide should precipitate out?
October 3, 2015 by Steve

Chemistry
A student starts with 25 grams of sodium chloride as the limiting reactant and obtained 17.9 grams of dry pure sodium carbonate. What is the theoretical yield of sodium carbonate? What is the percent yield obtained by the student?
October 22, 2012 by JaRad

Chemistry
A student starts with 25 grams of sodium chloride as the limiting reactant and obtained 17.9 grams of dry pure sodium carbonate. What is the theoretical yield of sodium carbonate? What is the percent yield obtained by the student?
October 22, 2012 by JaRad

Chemistry
Hydrogen iodine is a strong acid that is used in chemical synthesis to produce some common drugs as well as a source for iodine, I2. Data for the formation of hydrogen iodine was obtained as shown. The reaction was found to be first order with respect to hydrogen gas and ...
May 19, 2007 by Christian

Chemistry
If the volume of ocean water 7.41*10^20 L contains 2.9 percent sodium chloride ("salt") by mass and the density of the water is 1.26 g/mL, calculate the total mass of sodium chloride. (1 ton = 2000 lb, 1 lb = 453.6 g) Calculate the mass of sodium chloride in kg
September 8, 2013 by Jamie

Chemistry
Metallic sodium adopts a body-centered cubic structure at 25 degrees C and 1 atm. The density of sodium under these conditions is 0.97 g/cm^3. What is the unit cell length?
January 2, 2008 by David

chemistry
If you are given a .26g piece of sodium metal to react compltetely with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced?
November 17, 2009 by Jmhitt

chemistry
which of the following sets of quantum numbers (n,l,ml,ms) describes the electron which is most easily removed when a sodium aton is converted to a sodium ion? a)2,1,0,-1/2 b)2,0,0,-1/2 c)3,1,1,+1/2 d)3,2,1,-1/2 e)3,0,0,+1/2 can anyone explain this so I understand it?
November 9, 2010 by lavonne

chemistry
Write chemical formouls detailwise 1. Ammonium acelate 2.forric cyanide 3. Sodium sulphide 4.calcium corbonate 5.silver acelatep 6.sodium nitrate
October 2, 2011 by sai. college

Chemistry Urgent please help! Test tomorrow
if you have a mixture of sodium chloride and sodium bromide, could you use its conductance to determine the concentration of each solution? explain
January 9, 2013 by Anonymous

geometry
sodium has a body-centered cubic structure with a unit cell that is 430 picometers wide. estimate the radius of a sodium atom. please help me, I don't know how to get the solution. THank you
January 28, 2013 by lin

Chemistry
Can someone please help me figure out whether aqueous sodium sulfite is acidic or basic? I know it is a salt produced from sodium hydroxide and sulfur dioxide.
March 11, 2015 by Anonymous

Chemistry
Calculate the heat released when 1.00L of Cl2 (g) with a density of 1.88g/L reacts with an excess of sodium metal at 25 degrees C and 1 atm to form sodium chloride.
November 30, 2015 by Emily

chemistry
use and activity series to Identify two metals that will not generate hydrogen gas when treated with and acid write balanced molecular equations: aluminum metal with dilute nitric acid Write balanced molecular equations:Calcium hydroxide solution with acetic acid How many ...
April 14, 2008 by Katie

chemistry
use and activity series to Identify two metals that will not generate hydrogen gas when treated with and acid write balanced molecular equations: aluminum metal with dilute nitric acid Write balanced molecular equations:Calcium hydroxide solution with acetic acid How many ...
April 14, 2008 by Katie

Chemistry
Write the balanced net ionic equation for the following? a) Copper metal and zinc ion b) zinc and cupric ion c) Copper metal and hydrogen ion d) zinc metal and hydrogen ion e) iron metal and hydrogen ion f) Chlorine (Cl2) and bromide ion (Br-) g) Chlorine (Cl2) and iodide ion...
April 16, 2014 by Shannon

organic chemistry
What will happen to the Rf values of the pigments if you were to increase the relative concentration of acetone in the developing solvent
October 28, 2009 by Toby

chemistry
What is the molality of a solution composed of 192g of acetone ((CH3)2CO) dissolved in 416g of water
February 25, 2010 by Anonymous

science
the pneumoconiosis that is caused by inhalation of iron oxide is called A.anthracis B.toluene C.xylene D.acetone
September 30, 2010 by jamie

chemistry
if 10mL of acetone is diluted with water to a total of 200mL, what is the percent by volume in the propane solution?
November 17, 2011 by Anonymous

chemistry
What is the molality of a solution composed of 2.55g of acetone (CH3)2CO, dissolved in 200.g of water?
June 15, 2012 by punk480

Chemistry
Calculate the number of carbon atoms in 0.75 L of acetone (CH3COCH3). (density=1.3g/mL and boiling point=48.5 degrees)
October 22, 2012 by Erin

science
if i had mixture of sodium carbonate and sand, and spilled some sodium carbonate (no sand spilled) after weighing the mixture, would the spill affect the percentage of sand or sodium carbonate when we calculate it?
February 17, 2011 by chriss

chemistry
a) The combustion of an organic compound in the presence of excess oxygen produced a gas , which makes clear lime water turbid. What element can be identified? b) A sample of this compound is treated with hot molten sodium metal, the obtained mixture is dissolved in water and ...
February 13, 2016 by angy

chemistry
a) The combustion of an organic compound in the presence of excess oxygen produced a gas , which makes clear lime water turbid. What element can be identified?  b) A sample of this compound is treated with hot molten sodium metal, the obtained mixture is dissolved in water and...
February 13, 2016 by angy

chemisty
in a soda-acid fire extinguisher, concentrateed sulfuric acid reacts with sodium hydrogen carbonate to produce carbon dioxide, sodium sulfate and water. How many moles of sodium hydrogen carbonate would be neefed to react with 150.0 grams of sulfuric acid? How many moles of ...
February 21, 2008 by leslie

Chemistry
The reason why I think gglycerin and glycerol are 2 different molecules is glycerin formula is C3H5(OH)3 and glycerol is C3H8(OH)3. On the site you linked I do not see NaCl. I see sodium chlorate. Are sodium chloride and sodium chlorate the same? the reason why I say the NaCl ...
May 8, 2012 by April

Chemistry
You are asked to prepare a pH=4.00 buffer starting from 1.50 L of 0.0200 \; M solution of benzoic acid C_6 H_5COOH and an excess of sodium benzoate C_ H_5 COONa. How many grams of sodium benzoate should be added to prepare the buffer? Neglect the small volume change that ...
November 22, 2012 by Josh G.

chemistry
How many moles of excess reactant are present when 3.50 x 10^2 mL of 0.216 M sulfuric acid reacts with 0.510 L of 0.202 M sodium hydroxide to form water and aqueous sodium sulfate?
September 19, 2009 by larry

Chem
How many moles of excess reactant when 338mL of 0.226M sulfuric acid reacts with 0.493L of 0.211M sodium hydroxide to form water and aqueous sodium sulfate?
December 3, 2009 by Lindsey

chemistry
Find the mass of sodium hydroxide needed to neutralize enough nitric acid to create 2.0 grams of sodium nitrate? How do I write out equation and solve?
November 30, 2010 by Tosha

chemistry
Somewhat confused... my homework is asking me to calculate morality of sodium thiosulfate from a 55 ml solution. the sodium's volume is 50 ml and has a concentration of 0.25M. The rest of the 55ml comes from the 5ml of HCL.
September 16, 2011 by Molarity

Chemistry
if you have a mixture of sodium chloride and sodium bromide, could you use its conductance to determine the concentration of each solute ?explain I am not sure of how to answer this question please some help!
January 9, 2013 by Anonymous

chemistryhelp
how many moles of excess reactant are present when 3.20 x 10^2 mL of 0.226 M sulfuric acid reacts with 0.531 L of 0.185 M sodium hydroxide to form water and aqueous sodium sulfate
October 2, 2013 by sydney

Chem Help
You are given several grams of solid sodium chloride and water and asked to make a solution. Explain what happpens on a molecular level as sodium chloride dissolves in the water. The solid (which is a network of ions) breaks apart, and the sodium ions are attraced to the O end...
January 8, 2007 by Alisha

Chemistry
If I am titrating KMnO4 against a sample of Fe2+, but there is also I- in the sample which of the iron and iodine will be oxidised first? Unless something is present in the sample to complex the iodide ion, KMnO4 may titrate both. How are you titatrating it? What are you using...
March 10, 2007 by James

Chemistry
You want to neutralize 6 mol of sulfuric acid with 6.0 M sodium hydroxide. How much 6.0 M sodium hydroxide must you add to react exactly with the sulfuric acid? 2NaOH(aq)+H2SO4(aq)-->2H2O(l)+Na2SO4(aq) 2 moles sodium hydroxide for every 1 mol sulfuric acid. I do not know ...
May 7, 2016 by Kierstin

chemistry
What is the BCA table for Potassium iodide and chlorine
May 20, 2012 by Lyle

chemistry
What are strongest intermolecular force in hydrogen iodide ?
March 29, 2014 by john

CHEM MOLES !@@!
Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles are in 2.3 grams of phosphorus? 6) How many ...
December 16, 2014 by Theresa

Titrations (chem)
In the titration of a 0.101 M sodium hydroxide solution, 19.02 mL of 0.130 M sulfuric acid solution was required to neutralize the sodium hydroxide in reactions that replace both hydrogen ions of the sulfuric acid. Calculate the number of milliliters of sodium hydroxide ...
April 3, 2011 by Sarah

chem
At hihg temperatures Sodium chlorate decomposes to form Sodium Chloride and Oxygen gas. A 0.8765 gram sample of sodium chlorate was heated until the reaction ended when Oxygen gas production was ceased. The Oxygen gas collected over water occupied 57.2 ml at temperature of 295...
March 16, 2008 by Anonymous

Chemistry Lab
So I did a kinetics lab on the rate of reaction of peroxydisulfate ion with iodide ion. Part 1 was the effect of concentration. One of the questions asked is to calculate the amount of thiosulfate consumed in moles. My results for trial 1 were (Times taken for consumption of 1...
February 2, 2014 by Anonymous

Chemistry
Recently I solved for how many mL of 5% BaCl2.2H20 solution was required to precipitate sodium sulfate. Now the question asks what if the sodium sulfate was potassium sulfate instead. Would the volume required be higher or lowered than the sodium sulfate and why? I got that ...
October 10, 2011 by Mika

Chemistry
Nitrogen gas and sodium liquid are produced by the decomposition of sodium azide NaN3 (s). what volume of nitrogen gas, measured at 25 C and 0.980 atm, is produced by the decomposition of 62.5 g of sodium azide
June 17, 2012 by Anonymous

chemistry
how could you find the mass and volume from this info Acetone (fingernail-polish remover) has a density of 0.7857 g/cm3.
August 26, 2010 by Sara

chemistry
Calculate the number of carbon atoms in 0.75 L of acetone (CH3COCH3). (density = 1.3 g/mL and boiling point = 48.5 degrees Celsius)
October 31, 2010 by Bob

chemistry
how do I write this equatio out and is it stoichiometry problem. Find the mass of sodium hydroxide needed to neutralize enough nitric acid to create 2.0 gram of sodium nitrate?
November 30, 2010 by Tosha

Chemistry
What mass, in grams, of sodium carbonate is required for complete reaction with 8.35g of nitric acid to produce sodium nitrate, carbon dioxide, and water? [Show work]
February 12, 2014 by Melissa

Are my answers correct? Chem
I really need help with balancing these equations: Can you check if my answer are correct? Please 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride NaHSO3 + HCl = SO2 + H2O + NaCl 2. Sodium nitrate reacts with ...
March 14, 2011 by Anonymous

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

chemistry
1. Calculate pH of an acetate buffer containing 27.5 mM acetic acid (pKa is 4.74) and 50 mM sodium acetate. When a 30 mM aq solution of sodium acetate was prepared in the lab it had a pH of 8.8. Calculate the amount of acetic acid (in g) to be added to 0.5 L of this sodium ...
April 12, 2014 by Nick

Chemistry
Calculate pH of an acetate buffer containing 27.5 mM acetic acid (pKa is 4.74) and 50 mM sodium acetate. When a 30 mM aq solution of sodium acetate was prepared in the lab it had a pH of 8.8. Calculate the amount of acetic acid (in g) to be added to 0.5 L of this sodium ...
April 12, 2014 by Sarah

College Chemistry
Sodium hydroxide is used extensively in acid-base titrations because it is a strong inexpensive base. A sodium hydroxide solution was standardized by titrating 27 mL of 0.1628 M standard hydrochloric acid. The initial buret reading of the sodium hydroxide was 2.44 mL, and the ...
October 3, 2010 by KELLY

Chemistry
Solid sodium peroxide (Na2O2) reacts with carbon dioxide gas to form solid sodium carbonate and oxygen gas. If I have 56.2 g of Na2O2 and I treat it with 2.4 L of carbon dioxide at 675 Torr and 23.6 „aC, how many grams of sodium carbonate will be produced?
June 6, 2015 by Loren

ap bio
10 . Which one of the following statements is NOT true about the resting potential? A. The neuron's plasma membrane is much more permeable to potassium than to sodium. B. The concentration of sodium is much higher inside the cell than outside. C. The sodium-potassium pump ...
November 13, 2008 by carol

chemistry
A 20.0 gram sample is a mixture of sodium phosphate ,sodium mono-hydrogen phosphate,sodium dihydrogen phosphate and sodium chloride. The sample is dissolved in 100.0 ml of deionized water and titrated with 1.5 M hydrochloric acid. The initial pH of the solution is pH= 12.9. ...
May 22, 2012 by bill

chemistry
A 20.0 gram sample is a mixture of sodium phosphate ,sodium mono-hydrogen phosphate,sodium dihydrogen phosphate and sodium chloride. The sample is dissolved in 100.0 ml of deionized water and titrated with 1.5 M hydrochloric acid. The initial pH of the solution is pH= 12.9. ...
May 22, 2012 by bill

Chemistry
The reaction of sodium hydrogen carbonate (baking soda), NaHCO3 and vinegar is a safe and effective method of opening a clogged drain a) Write the chemical equation for this reaction b) Explain why using sodium hydrogen carbonate and vinegar may be a greater alternative to ...
January 11, 2015 by Mike

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

Chemistry
The concentration of a certain sodium hydroxide solution was determined by using the solution to titrate a sample of potassium hydrogen phthalate (abbreviated KHP). KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol. In the titration 34.67 mL of the ...
October 7, 2014 by melbell

Chemistry
Why do bromine and iodide have similar chemical properties?
October 22, 2008 by Rachel

chemistry
If the molar solubility of lead iodide is 2.4 x 10^-3M. Calculate the Ksp.
August 15, 2010 by Anonymous

biology lab
-rate of photosyhthesis in presence of light intensity & CO2. ~A : sodium bicarbonate in darkness pH b4 xperiment-9 " @ 20 min- 8 " 60 min- 8 ~B: sodium bicarbonate in room light pH b4 xperiment-9 " @ 20 min-9 " 60 min-8 ~C: sodium bicarbonate 20 cm from light source pH b4 ...
July 30, 2011 by Yuni

chem
Explain why ethanol and acetone are not suitable solvents for extracting organic compounds from aqueous solutions. does it have to do with their density?
October 14, 2008 by Jason

chemistry
Calculate the molality of acetone in an aqueous solution with a mole fraction for ace- tone of 0.171. Answer in units of m
September 16, 2012 by cheri

chemistry
What mass, in grams, of sodium hydroxide (NaOH) is produced if 20 grams of sodium metal(Na) reacts with excess water?
April 20, 2010 by Anonymous

chemistry
calculate the volume in milliliters of 3.6 mol/L sodium nitrate solution that contains 325 mmol of sodium nitrate
March 8, 2011 by Mal

chemistry
What is the pH of a sodium acetate solution prepared by adding 0.820g of sodium acetate to 100.0mL of water at 25 degrees?
March 29, 2011 by Natalie

chemsitry
Calculate the mass in grams of sodium bromide, NaBr, are needed to prepare 250.0 mL of a solution of sodium bromide that is 3.50% (m/v).
March 20, 2011 by allen

Chemistry
What is the mole fraction sodium acetate of a solution made by adding 0.145 g of sodium acetate to 119 ml water?
November 2, 2012 by Steve

Chemistry
The differnece in the mass of 100 moles of each sodium atoms and sodium ions is 5.48002 g. Compute the mass of an electron.
December 15, 2012 by Mohit

Science 9
write formulas for each of these compounds: potassium phosphate ammonium sulfate sodium oxide For sodium oxide i got: Na 2 O
February 15, 2013 by Molly

chemistry
How ml silver nitrate solution (0.05 mol / l) K = 1.0000 consumed for titration of sodium chloride, 0.0500 g. MW Sodium chloride 58.44.
March 25, 2014 by ULIA

chemistry
How many grams of sodium hydroxide (NaOH) are needed to prepare 250 mL of a 0.20 M (mol/dm3) sodium hydroxide solution?
May 5, 2014 by pippiserra

Science
How much quantity of sodium chloride is needed to make 30 ml of a 2% isotonic drug (sodium chloride equivalent 0.20) solution? A. 0.60 B. 0.15 C. 0.27 D. 0.12
July 4, 2014 by Abhishek chouhan

Science
What is the mass percent of sodium hydroxide in a solution that is made by dissolving 8grams of sodium hydroxide in 50 grams of H2O?
July 7, 2014 by Araceli

Chemistry
How many grams of sodium carbonate are in a sodium carbonate sample that contains 1.773x10^17 carbon atoms? How do I work this out?
September 22, 2014 by Sam

Chemistry
Find the molarity of a sodium hydroxide solution obtained by dissolving 125.0 mg of sodium hydroxide in 50.ml volumetric flask.
March 10, 2015 by Allison

biology
Total body sodium content determines extracellular fluid volume, and is regulated by the balance between sodium intake and sodium loss. Oubain is a poison that causes blockage of the Na+/K+ ATPase. Which of the following would occur after administration of oubain? Explain why...
February 14, 2012 by jack bauer

Chem Help
Consider a solution that contains Ag+ , Ba2+, and Pb2+ each at a concentration of .2M a) You add NaCl until the concentration of Cl- is 5.0 x 10^-3 M. A white precipitate forms. How do you determine whether that precipitate was AgCl or PbCl2? b) If you seperated the ...
April 6, 2014 by Anonymous.

chemistry
A SOLUTION OF 0.05METER ACID PKA 6.10 IS MIXED WITH AN EQUAL VALUE 0.1 SODIUM SOLUTION OF SODIUM SALT WHAT IS THE PH OF THE FINAL MIXTURE.
March 30, 2010 by ronke

Chemistry
a certain brand of laundry aid called "Oxydoodle" is 12.5% (w/w) sodium percarbonate and 87.5% (w/w) sodium carbonate. Calculate the % (w/w) h2o2 in Oxydoodle
November 22, 2010 by Shannon

Chemistry
A student reacts 20.0 grams of sodium hydroxide with hydrochloric acid and obtains 25.0 grams of sodium chloride. What is the percent yield?
April 3, 2011 by Lisa

Chemistry
Will a double replacement reaction take place if a solution of sodium hyrdrogen carbonate is added to a solution of sodium chloride?
April 21, 2011 by Jes

CHEMISTRY.
Knowing that bleach contatins 5% aqueous sodium hypocholirte, how much sodium hypochlorite does 700ml of 10% bleach contain? (in grams)
September 14, 2011 by ROSE

Chemistry
Suggest chemical tests to identify 3 solid samples of sodium chloride, sodium carbonate and calcium chloride respectively.
October 23, 2011 by A

physical science
find the mass of sodium chloride formed when 6.9g of sodium burns in a gas jar filled with chlorine gas.
February 22, 2012 by winston

Chemistry
If you have 250 mL of 2 M of sodium sulfate diluted to make 0.500 M of sodium sulfate, how would you figure out the volume?
April 10, 2012 by Julia

Chemistry
if we mix 25 grams of sodium bromide with a large amount of potassium chloride, what will our theoretical yield of sodium chloride be?
February 4, 2013 by Enrique Loza

Physical Science
When sodium metal combines with chlorine gas, solid sodium chloride forms. is this a physical or chemical change?
May 11, 2016 by Larissa

Chemistry
Calculate the number of moles of sodium oxide, Na2O, that should be produced when 11.50 moles of sodium, Na, react with oxygen gas
May 18, 2016 by Zywan

Chem
what product could you see in a flask when you cobined copper and sodium. basically what is the name for copper and sodium when combined
October 22, 2008 by Ellie

chem
What is the volume of 0.25M PMSF & volume of 14.3M 2-mercaptoethanol needed in 25 mL of 20 mM sodium phosphate? MW of sodium sulfate = 137.99
March 7, 2010 by Estelle

Chemistry
Calculate the amount of sodium acetate trihydrate needed to prepare 100 mL of 0.2M sodium acetate solution.
April 26, 2011 by Georgia

chemistry
if 30 grams of sodium (Na reacts completey with 28 grams of water, what is the mass of Sodium hydroxide (NaOH)formed?
October 12, 2011 by Anonymous

chemistry
if 30 grams of sodium (Na reacts completey with 28 grams of water, what is the mass of Sodium hydroxide (NaOH)formed?
October 12, 2011 by Anonymous

Chemistry
a solution is 0.0300 m in Sodium. How many grams of sodium carbonate are necessary to prepare 900.0 ml of this solution? I don't know where to start on this.
September 28, 2012 by Alex

Chemistry
If 25g of lead phosphate reacts with an excess of sodium nitrate, how many dreams of sodium phosphate is produced?
February 27, 2014 by Emy

chemistry 113
How many grams of sodium sulfate do you need to create 750 mL of a 0.250 M solution of sodium sulfate
January 24, 2015 by ALEX GOLD

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