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April 24, 2014

Search: grams of sodium chloride are..

Number of results: 9,483

Chemistry
Calculate the heat released when 1.61 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25C and 1 atm to form sodium chloride.
Saturday, October 2, 2010 at 12:30am by Trinh

chemistry
write a balanced chemical equation for the reaction that occurs when aqueous solutions of sodium chloride and sodium iodate are mixed
Tuesday, October 5, 2010 at 4:01pm by k

chemistry
Calculate the heat released when 3.10 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25C and 1 atm to form sodium chloride. 1 kJ
Wednesday, October 6, 2010 at 7:02pm by mylles

chemistry
Calculate the heat released when 3.10 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25C and 1 atm to form sodium chloride
Wednesday, October 6, 2010 at 7:21pm by Tits magee

chemistry
how many molecules of chlorine gas must be reated with excess sodium iodide if 32.2*10^22 formula units of sodium chloride are needed?
Wednesday, April 4, 2012 at 9:34am by kk

Chemistry
How would I calculate this? I have the answer because its from a previous test I just want to know how I would calculate it. How many grams of NaCI are contained in 350. mL of a 0.133 M solution of sodium chloride?
Sunday, June 30, 2013 at 9:10am by Mary

Chemistry
A sample of Manganese (II) Chloride has a mass of 19.8 grams before heating, and 12.6 grams after heating until all the water is driven out. Based on this information, how many water molecules were attached to each molecule of Manganese (II) Chloride?
Sunday, January 22, 2012 at 8:15pm by Diana

chemistry
How many grams of Ca will react with 15.0g of Cl to form calcium chloride? How many grams of calcium chloride will be formed? Explain step by step.
Thursday, January 12, 2012 at 7:47pm by Lena s

Ap-Chemistry
How many grams of Ca will react with 15.0g of Cl to form calcium chloride? How many grams of calcium chloride will be formed? Explain step by step.
Friday, January 13, 2012 at 9:51pm by Salena

Chemistry
Please help, I have been trying to figure this out for some time: For a lab I dissolved Calcium chloride with sodium carbonate each in water, then poured them into a funnel and filtered out a white pigment. I need to calculate the percent yield, but what is the white pigment. ...
Thursday, March 12, 2009 at 10:50pm by Anonymous

chemistry
calculate the theoretical mass (g) of hydorgen chloride formed in the reaction of sulfuric acid (2.00 mol) with sodium chloride (150g) 2NaCl(s) + H2SO4(aq) = 2HCl (g) + NaSo4(S)
Wednesday, December 7, 2011 at 8:43pm by payton

chemistry
Calculate the heat released when 4.260 L Cl2 with a density of 2.46 g/L at 25C reacts with an excess of sodium metal to form solid sodium chloride at 25C.
Friday, October 29, 2010 at 1:37am by caroline

chemistry
Calculate the heat released when 4.260 L Cl2 with a density of 2.46 g/L at 25C reacts with an excess of sodium metal to form solid sodium chloride at 25C.
Sunday, October 31, 2010 at 5:15pm by Emily

Chemistry 101 college
How many grams of chloride ions are in a 2.5L of a 1.0 M calcium chloride solution?
Tuesday, July 19, 2011 at 5:31pm by Katie

chemistry
A crystalline material containing 30 grams of barium chloride crystals was placed into an oven at 400 degrees c and heated for two hours. It was then cooled and weighed. the new mass was less than before it was heated, containing 20 grams if barium chloride. How is this possible?
Thursday, January 27, 2011 at 11:15pm by eric

Chemistry-Help!!!
How many grams of chloride ions are in 2.5L of a 1.0 M calcium chloride solution?
Tuesday, December 7, 2010 at 4:02pm by Beth

chemistry
According to the following reaction, how many grams of copper(II) chloride are necessary to form 0.984 moles silver chloride? silver nitrate (aq) + copper(II) chloride (s) silver chloride (s) + copper(II) nitrate (aq)
Friday, October 22, 2010 at 5:16pm by Gina

chem
A solution is prepared by dissolving 25 grams of sodium sulfate in enough water to give a total volume of 500. mL. The molar mass of sodium sulfate is 142 grams per mole. What is the molarity of the solution?
Wednesday, November 14, 2012 at 7:01pm by jennifer

chemistry
Solid sodium nitrate can be decomposed to solid sodium nitrite and oxygen gas. If the percentage yield for the reaction is 80.4%, calculate the grams of sodium nitrite that will result from the decomposition of 955grams of sodium nitrate. 2 NaNO3 2 NaNO2 + O2
Friday, May 15, 2009 at 6:04am by lama

chemistry
A solution contains 0.245 of dissolved lead (lead ion or Pb2+.) How many moles of sodium chloride must be added to the solution to completely precipitate all of the dissolved lead? What mass of sodium chloride must be added?
Monday, October 11, 2010 at 9:18pm by amy

AP CHEMISTRY
The unit cells for most alkali metal halides are face-entered for both the cations and anions. In the case of NaCl the sodium ion is just a little too large for the chloride ions to touch each other along the face diagonal. The unit cell edge length is 564.0 pm. The sodium ion...
Thursday, January 24, 2008 at 3:59pm by Jake

CHEMISTRY
how many grams of sodium carbonate are needed to prepare 0.250 L of an 0.100 M aqueous solution of sodium ions? well normally you go moles=grams/molar mass than M= moles/L but when looking for grams? what do you do........multiple .250 by .100 than divide by the molar mass of ...
Monday, December 13, 2010 at 8:05pm by STACY

Chemistry
Given that the solubility of sodium chloride is 36 grams per 100 grams of water. Which of the following solutions would be considered supersaturated? A. dissolve 5.8 moles of NaCl in 1 L of water B. dissolve 1.85 moles of NaCl in 300 ml of water C. dissolve 3.25 moles of NaCl ...
Saturday, November 21, 2009 at 7:29pm by Coug

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
Wednesday, January 9, 2013 at 8:48pm by Anonymous

Chemistry College
A 79.1 g mixture of the compounds calcium chloride and sodium sulfide is 80.9 % by mass sodium sulfide. The compound sodium sulfide is 58.9 % by mass sodium. Calculate the mass (g) of sulfur in the mixture. thanks.
Thursday, May 3, 2012 at 11:43pm by Lance

College Chemistry
So i been trying to solve this question like for ever! so i hope you guys can help me , here is the question : the volume of a seawater on earth is about 330,000,000 mi3. if seawater is 3.5% sodium chloride by mass and has a density of 1.03g/mL, what is the approximate mass of...
Tuesday, January 19, 2010 at 11:30pm by Tasneem

Chem 219
If 48.9g of barium chloride dihydrate, BaCl2.2H20, was treated with excess silver nitrate solution. (show formula) a). how many moles of silver chloride precipitated? b). how many grams of silver chloride precipitated? thank you!
Tuesday, February 8, 2011 at 11:43pm by Chels

chemistry
What mass of lead (ii) trioxonitrate(v) would be required to yield 9g of lead(ii)chloride on the addition of excess sodium chloride(pb=207,N=14,O=16,Na=23,cl=35.5)
Sunday, January 20, 2013 at 11:43am by chi

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!
Wednesday, January 9, 2013 at 7:20pm by Anonymous

chemistry
you mix 60.0 mL of 1.0 M silver nitrate with 25.0 mL of .80 M sodium chloride. what mass of silver chloride should you form?
Sunday, January 10, 2010 at 5:15pm by kiran

chemistry
You mix 55 mL of 1.00 M silver nitrate with 25 mL of 0.81 M sodium chloride. What mass of silver chloride should you form?
Sunday, February 26, 2012 at 5:50pm by salena patel

Chemistry
copper(1) chloride reacts with hydrogen sulfide. if 9.90 grams of copper(1) chloride and 10.2 grams of hydrogen sulfide are reacted together, what is the limiting reactant?
Thursday, March 27, 2014 at 10:13pm by Anonymous

Chemistry
If you are a mixture of ammonium chloride, barium sulphate and sodium chloride how would you produce a pure dry sample of each of those chemicals for the mixture.
Wednesday, February 24, 2010 at 8:23pm by Jose-Ann

Chemistry
When sodium chloride reacts with silver nitrate, silver chloride precipitates. What mass of AgCl is produced from 192 g of AgNO3? Answer in units of g.
Tuesday, March 22, 2011 at 11:14pm by Anonymous

Chemistry
I forgot to post this one with the other What is the freezing point of a solution containing 4.0 Mol of sodium chloride in 1200 grams of water? (kf for water is 1.86 C/M) I don't really want the whole answer, just where I would plug in the numbers. I keep forgetting what ...
Wednesday, April 27, 2011 at 11:55pm by Laura

Chemistry
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 3.60 MJ of energy (in the form of heat) if the temperature of the sodium is not to increased by more than 10.0 C? Use CP = 30.8 J/(Kmol) for Na(l) at 500 K.
Monday, October 15, 2012 at 8:23pm by Garcia

chemistry quick help!
In the balanced double replacement reaction of calcium chloride CaCl2 and aluminum sulfate Al2(SO4)3, how many grams of calcium sulfate can be produced if you start the reaction with 4.19 grams of calcium chloride and the reaction goes to completion?
Friday, January 25, 2013 at 2:03pm by thad

Chem hwk
In the balanced double replacement reaction of calcium chloride CaCl2 and aluminum sulfate Al2(SO4)3, how many grams of calcium sulfate can be produced if you start the reaction with 18.97 grams of calcium chloride and the reaction goes to completion?
Monday, January 28, 2013 at 2:58pm by Thad

Chemistry
here is the question. it is a fact that when you add acetone to saturated sodium chloride, the equilibrum shifts towards the right. what observation supports this fact? what is the role of acetone in shifting the equilibrium towards the right side? What reaction conditions ...
Sunday, March 21, 2010 at 10:53pm by Dalala

Chemistry
In a mountainous location, the boiling point of pure water is found to be 95C. How many grams of sodium chloride must be added to 9 kg of water to bring the boiling point back to 101C? Assume that i = 2.
Sunday, January 27, 2013 at 2:59pm by flame

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.
Monday, February 28, 2011 at 1:09pm by Jeff

Chemistry
Will a double replacement reaction take place if a solution of sodium hyrdrogen carbonate is added to a solution of sodium chloride?
Thursday, April 21, 2011 at 9:48am by Jes

physical science
find the mass of sodium chloride formed when 6.9g of sodium burns in a gas jar filled with chlorine gas.
Wednesday, February 22, 2012 at 3:17pm by winston

Chemistry
which of the following compounds dissolve in water?? -Sodium Nitrate (NaNO3) - Sucrose (C12H22O11) - Sodium Chloride (NaCl) - Potassium Sulfate (K2SO4) - Ethanol (C2H5OH) - Sodium Bicarbonate (Baking Soda)(NaHCO3) - Calcium Sulfate (CaSO4) i did an experiment, but I was not ...
Friday, September 25, 2009 at 6:43pm by Liz

chemistry
predict the outcome of mixing aqueous solutions of the following reactions. write the ionic equations of each. mercury (ll) nitrate + ammonium iodide manganese (ll) chloride + sodium sulfide lead (ll) nitrate + sodium sulfate barium nitrate + lithium sulfate aluminum sulfate...
Monday, October 3, 2011 at 11:06pm by TROUBLED

science
Are the following data sets on chemical changes consistent with the law of conservation of mass? (a) A 15.0 g sample of sodium completely reacts with 19.6 g of chlorine to form 34.6 g of sodium chloride. the answer is yes, because 15 and 19.6 add up to 34.6 right?
Thursday, September 9, 2010 at 7:24pm by reid

chemistry
why is the osmotic pressure of 10 mole solution sodium chloride larger than that of sodium nitrate solution
Monday, May 24, 2010 at 5:58am by taher

Chemistry Gd 11
How many moles of chlorine gas would reacht with 10 moles of sodium to form sodium chloride?
Tuesday, November 9, 2010 at 12:05am by Tarkan

chemistry
What is the balanced equation for sodium bicarbonate + sulfuric acid producing carbon dioxide + water + sodium sulfate and sodium bicarbonate + hydrochloric acid producing carbon dioxide + water + sodium chloride. Also are these two the correct word equations for neutralizing ...
Saturday, November 6, 2010 at 7:47pm by Anonymous

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
Thursday, December 13, 2007 at 10:26pm by sam

Chemistry
How does the strength of the attraction between water molecules and sodium and chloride ions compare with the strength of the attraction between the sodium ions and chloride ions? How Do You Know?
Wednesday, February 17, 2010 at 1:10am by Laverne

Chemistry
How does the strength of the attraction between water molecules and sodium and chloride ions compare with the strength of the attraction between the sodium ions and chloride ions?
Wednesday, April 13, 2011 at 4:56pm by Guillermo

chemistry
a mixture containing only sodium chloride and potassium chloride has a mass of 4 g. when this sample is dissolved in water and excess silver nitrate is added a white solid forms. after filreation and drying the solid silver chloride has the mass of 8.5904g. calculate the mass ...
Saturday, September 25, 2010 at 2:18pm by kelly

chemistry
4.0 g of sodium bicarbonate 84 g/mol) decomposes to form carbon dioxide, water, and sodium carbonate (106 g/mol). What is the theoretical yield in grams for sodium carbonate?
Thursday, January 26, 2012 at 6:35pm by Danae

Chemistry-help needed
I am asked to draw the 'dot and cross' diagram to show the ionic bonding in sodium chloride. I am asked to show only the outer electronic structure. Sodium has 2.8.1 electronic configuration. After losing 1 electron to chlorine, it has 2.8 electronic configuration. For sodium ...
Thursday, March 26, 2009 at 3:47am by carrie

College Chemistry 104
Students are attempting to construct a battery in the laboratory that will light up a light bulb. Compare the following lists prepared by students and determine which student will not be able to successfully build a "battery" that will light up the bulb. Student 1 large beaker...
Friday, May 10, 2013 at 10:28am by Claire

Chemistry
An aqueus solution of sodium mitrate(NaNO3) contains 0.85 grams of sodium nitrate and its concentration is 0.1mol L^-1. What is the volume. in millilitres, of the sodium nitrate solution?
Saturday, August 25, 2012 at 10:05pm by Jeconiah

Chemistry
Hi, I have a few questions that I am struggling with. Any help would be greatly appreciated. Question 1 Calculate the molar mass of calcium chloride dihydrate, CaCl2 2H2O. Please use the Periodic Table values rounded to the hundredths place for your calculation and round ...
Sunday, February 22, 2009 at 7:17pm by Bob

chemistry
If you have a solution that is 1.7 M sodium chloride and you have 1 L of that solution, how many moles of sodium chloride do you have?
Friday, October 28, 2011 at 6:40pm by emily

chem
100 grams of sodium phosphate contains how many sodium ions? what is the formula?
Thursday, December 16, 2010 at 8:59pm by shane

science
What mass of sodium cholride is produced when chlorine reacts with 0.29 grams of sodium iodide?
Monday, April 6, 2009 at 11:56am by Natosha

Chemistry
What mass of sodium oxide is produced from 4.23 grams of sodium and 20 liters of oxygen gas?
Wednesday, April 3, 2013 at 9:48am by Amanda

Science
Describe the procedure for preparing 250mL of buffer solution with a pH of 5.00 from acetic acid (CH3COOH) and sodium acetate. How many grams of acid do you have to mix with 3.6 grams of sodium acetate? (Given Ka for acetic acid = 1.8x10^-5)
Monday, October 25, 2010 at 12:29am by Chemisty-Buffers

Chemistry
How many grams of bromine are required to react completely with 37.4 grams aluminum chloride?
Thursday, March 21, 2013 at 10:58pm by Alejandra

science
calculate how many grams of chloride ions are present in 50 grams of ocean salts
Wednesday, April 17, 2013 at 3:24pm by T-perry

chemistry
What is the molar concentration of sodium in a 200mL solution prepared from 1.359 grams of sodium phosphate?
Tuesday, October 6, 2009 at 4:30pm by Anonymous

chemistry
a 3.00mole sample of fluorine reacts with sodium bromide to produce how many grams of sodium fluoride?
Friday, March 4, 2011 at 3:26pm by sharday

chemistry
What mass of sodium oxide could be made from 1,15 grams of sodium
Tuesday, May 8, 2012 at 3:13pm by Dilan

Chemistry
what is the molality of a solution made up of 20.5 grams of potassium chloride in 750 grams of water?
Tuesday, December 14, 2010 at 12:23pm by Larry

Chemistry
How many grams of bromine are required to react completely with 3704 grams aluminum chloride?
Thursday, March 21, 2013 at 10:57pm by Alejandra

Chemistry 1
Sodium carbonate reacts with a solution of HCl solution with the evolution of gas (CO2) to yield a solution that is neutral. If 0.265 grams of sodium carbonate are required to neutralize 1.00 mL of HCl solution, what mass (in grams) of sodium carbonate will be required to ...
Friday, February 5, 2010 at 1:34pm by Kay

chemistry
solution contains 5 grams of of a mixture of sodium hydroxide and sodium sulphate dissolved per 500 ml
Friday, January 21, 2011 at 12:22pm by wajid

Chemistry
Calculate the mass of sodium chloride (NaCl) produced when 5.50 moles of solid sodium reacts in excess chlorine gas. (Hint: Start by writing a balanced chemical equation) Please help me understand HOW to solve this problem.
Wednesday, May 27, 2009 at 6:48pm by Ryan

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?
Thursday, July 21, 2011 at 1:30pm by stephanie

Chem
a 0.2000 grams sample of aluminum metal is added to a solution containing 1.0000grams of an unknown compound made of platinum and chloride ion. the reaction results in the formation of aluminum chloride and platinum metal. when the reaction is complete, unreacted aluminum ...
Saturday, March 1, 2014 at 6:50pm by Carley

Chem
Determine the number of moles of silver chloride formed when three moles of sodium chloride are reacted completely with silver nitrate
Monday, November 15, 2010 at 6:08pm by JJ

Chemistry..
When sodium chloride reacts with silver nitrate, silver chloride precipitates. What mass of AgCl is produced from 75.0 g AgNO3? My answer: 63.3g AgCl
Monday, December 31, 2012 at 6:20pm by Anonymous

chemistry
How many grams of oxygen gas are required to react completely with 14.6 g of solid sodium to form sodium oxide, Na2O(s)?
Sunday, March 20, 2011 at 2:55pm by franci

chemistry
If you have 25.3 g of NaCl. a) how many moles of NaCl do you have? = .433 mol b) how many moles of sodium ions do you have? c)how many moles of chloride ions do you have? d) how many sodium ions do you have? e) how many chloride ions do you have? How do i solve these? Please ...
Monday, August 30, 2010 at 1:57pm by Sarah

Chemistry
2AgNO3 + BaCl2 --> 2AgCl + Ba(NO3)2 How many grams of sliver chloride are produced from 5.0g of sliver nitrate reacting with an excess of barium chloride?
Wednesday, March 13, 2013 at 7:03pm by Christie

Chemistry
Chlorine gas + aqueous sodium bromide --> aqueous bromine + aqueous sodium chloride. I got: Cl2+2NaBr2(aq)-> Br2(aq)+2NaCl2(aq) Is this right ?
Monday, January 7, 2013 at 4:52pm by John

Chemistry
A solution is made by dissolving 3.5 moles of sodium chloride (NaCl) in 155 grams of water. If the molal boiling point constant for water (Kb) is 0.51 C/m, what would be the boiling point of this solution?
Friday, January 14, 2011 at 4:22pm by Christi

Chemistry
Consider the following chemical equation. MnCl2(s) + H2SO4(aq) → MnSO4(aq) + 2 HCl(g) How many grams of manganese(II) chloride must react with sulfuric acid to release 50.0 mL of hydrogen chloride at STP?
Sunday, December 5, 2010 at 10:35pm by Kalen

Chemistry
Describe how you would obtain pure crystals of Sodium chloride from a muxture of solid sodium chloride and solid zinc carbonate Step1 Step 2 Step 3 1. Add HCl to react with the carbonate. The products are zinc chloride, CO2, and water. The CO2 leaves as a gas and the water is ...
Tuesday, April 24, 2007 at 11:37am by Ali

DrBob222 follow up
Thank you for your reply. The Zn in grams 1.80= .028 moles Zn and Cl in grams 0.90= .025 moles Cl The question was: What is the EXPERIMENTAL empirical formula of zinc chloride? Determine the simplest whole number ratio of moles of zinc used, to moles of chlorine reacted in the...
Monday, October 26, 2009 at 10:07pm by Madison

chemistry
If a student added 42.6 grams of sodium sulfite to 780.4 grams of water and determined that 3.40 grams of the new solution occupied 3.20ml, what is the weight percent, molality, and molarity of the solution produced?
Thursday, July 18, 2013 at 6:34pm by Sumaiyah

chemistry
How many grams of calcium chloride would you dissolve in water to make a total .111 M calcium chloride solution with 200 mL final volume?
Tuesday, July 13, 2010 at 4:30pm by fiath

Honor Stoichiometry
2AgNO3 + BaCl2 ==> 2AgCl + Ba(NO3)2 How many grams of silver chloride are produced from 5 g of silver nitrate reacting with an excess of barium chloride?
Wednesday, March 23, 2011 at 10:48am by Brit

Chemistry
Question: the conversion of one precipitate to another by the addition of a suitable reagent is a process that involves heterogeneous equilibrium system. for example, silver chloride can be coverted to silver bromide by the additino of aqueous sodium bromide to a sample of ...
Wednesday, May 6, 2009 at 9:58pm by Anonymous

Organic Chemistry
separation and purification scheme how would i begin this? we have a mixture of the following:50% benzoic acid, 40% benzoin, 10% dibromobenzene they give us 1M NaOH, 6M NaOH, 1M HCl, 6M HCl, 1M NaHCO3, saturated sodium chloride, diethyl ether, 95% ethanol, methanol, isopropyl ...
Friday, October 1, 2010 at 11:05pm by Jen

chemistry
An aqueous solution of silver nitrate contains 5.00 g of silver nitrate. To this solution is added sufficient barium chloride to precipitate all the silver as silver chloride. What mass, in grams, of dry silver chloride can be obtained?
Sunday, September 21, 2008 at 10:03pm by Erika

Chemistry
A precipitate will be formed when an aqueous carbonic acid soution is added to what other aqueous solution? A. ammonium chloride B. calcium hydroxide C. Sodium Chloride D. Potassium carbonate E. Nitrous acid
Saturday, June 19, 2010 at 1:48pm by Ellie

Chemistry
A person suffering from hyponatremia has a sodium ion concentration in the blood of 0.118 Mand a total blood volume of 4.6 L.What mass of sodium chloride would need to be added to the blood to bring the sodium ion concentration up to 0.138 M, assuming no change in blood volume?
Monday, October 31, 2011 at 1:13am by Anon

chemistry
How many grams of aluminum would react completely with 17.50 grams of copper (II) chloride according to the following equation? Al(s) + CuCl2(aq) ---> AlCl3(aq) + Cu(s
Saturday, June 19, 2010 at 6:54pm by andrea.

Chemistry...Please Help
The Chemicals are: Baking Soda- NaHC03 Calcium Chloride- CaCl2 Bromothymol Blue - (acid base indicator) _______________________________________ What is: (a) The equations for the dissolution of calcium chloride and sodium bicarbonate in water (b) Look up the heats of solutions...
Tuesday, January 6, 2009 at 7:54pm by Saira

Chemistry
35 grams of sodium phosphate are mixed with enough water to make 3.5L of solution having a densityof 1.045g/mol. Find the concentration of sodium phosphate in ppm. Using the same information, find the molarity of the sodium and phosphate ions.
Wednesday, February 15, 2012 at 2:07pm by Kristen

Chemistry- urgent!
When a solution of sodium oxalate (Na2C2O4) is added to a solution of lanthanum (III) chloride, lanthanum oxalate (molar mass 541.86 g/mol) The balanced net ionic equation for the reaction is: 3C2O4^2- (aq) + 2La^3+ (aq) --> La2(C2O4)3 (s) Thirty ml of 0.2000 M sodium ...
Thursday, December 15, 2011 at 11:45pm by Gabby

Chemistry
0.12 g of rock salt(NaCl and impurities) was dissolved in water and titrated with 0.1 M silver nitrate. 19.7 mL was required to titrate all the chloride ion. How many moles of sodium chloride were in the original sample and what percent of the sample are impurities?
Friday, March 26, 2010 at 8:58pm by Mary

chem
I am pretty confused on this. 1. Pick the appropriate solvent to dissolve A) Sodium Chloride (ionic) B) Sodium Nitrate (ionic) both have the choices of 1) water 2) acetone 3)ethanol 4)methanol 5)carbon tetrachloride 6)toluene 7)hexane
Tuesday, September 18, 2012 at 11:33pm by michelle

chemistry
2 moles of aqueous Barium Nitrate is combined with 1 mole of aqueous Sodium Sulfate. Assuming 100% yield, what mass of Barium Sulfate precipitate would be produced. 1. 175.043 grams 2. 233.391 grams 3. 466.781 grams 4. 116.953 grams
Friday, October 21, 2011 at 10:51pm by chelsy

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