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April 20, 2014

Search: molarity of a solution prepared by diluting 35.39 mL of 0.217 M potassium chloride to 150.00 mL

Number of results: 26,637

Chemistry
determine the approximate molarity of a solution of NaOH prepared by diluting 10ml of 6M NaOH to a volume of 400 ml. using the solution in the first part, 24.5ml of NaOH solution was required to neutralize 26.4ml of a .150M HCl solution. find the molarity of NaOH
Thursday, February 28, 2008 at 10:37pm by Chuck

Chemistry
What is the molarity of this dichromate solution? A potassium dichromate solution of an unknown molarity was used to titrate a solution of FeSO4 prepared by dissolving a 0.350g of pure iron wire in H2SO4 and reducing the FE3+ produced to FE2+. 36.24 mL of the dichromate ...
Sunday, December 2, 2012 at 12:10am by ANONYMOUS

Chemistry
What is the molarity of H2SO4 in a solution prepared by adding 15.0 mL of 6.0 Molarity H2S04 to enough water to make 100.0 mL of solution?
Wednesday, October 5, 2011 at 10:41pm by Andrea

chemistry
A solution is prepared by dissolving 0.5842g of oxalic acid (H2C2O4) in enough water to make 100.0ml of solution. A 10.00ml aliquot (portion) of this solution is then diluted to a final volume of 250.0ml. What is the final molarity of thus prepared oxalic acid solution?
Friday, November 18, 2011 at 1:00pm by NONO

Chemistry
Calculate the concentration, in molarity, of a solution prepared by adding 9 mL of water to 1 mL of 0.1 M HCl solution. If 2.0 mL of 0.010 M NaOH is mixed with enough water to make the total volume 8 mL, what is the molarity of the resulting solution?
Monday, October 3, 2011 at 6:09pm by Nico

Molarity
Determine the molarity and normality of a solution prepared by dissolving 55 mg of sodium bicarbonate (NaHCO3) in 750 mL of water.
Thursday, January 14, 2010 at 5:10pm by joe

chem
A solution is prepared by dissolving 75.0 grams of sucrose (C12H22O11) in enough water to produce 1.00L of solution. What is the molarity of this solution?
Monday, December 3, 2012 at 2:29am by antu

chem
A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 13.0 mg of fluoxymesterone in enough water to give a total volume of 500.0 mL. A 100.0 ÁL aliquot (portion) of this solution ...
Sunday, November 4, 2007 at 12:07am by mel

chemistry
A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 13.4 mg of fluoxymesterone in enough water to give a total volume of 500.0 mL. A 100.0-ÁL aliquot (portion) of this solution ...
Tuesday, November 26, 2013 at 10:42pm by quincy

chemistry
Finding molarity and molality(best answer)? An aqueous solution is prepared by diluting 3.30 mL acetone,(d= 0.789g/mL) with water to a final volume of 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity, molality and mole fraction of acetone in this solution?
Friday, October 7, 2011 at 3:11am by sam

chemistry
A solution is prepared by dissolving 23.7g of CaCl2 in 375.0g of water. The density of this solution is 1.05g/mL. determine the concentration (molarity) of Cl in solution.
Monday, March 14, 2011 at 3:11pm by jim

chemistry
Calculate the molarity of a solution prepared by dissolving 25.0 g NaCl in 1.0 L solution.
Wednesday, April 6, 2011 at 4:06pm by Marilyn

chemistry
Q: A 1.5L solution is prepared using 75g of calcium chloride. What is the molarity of this solution?
Monday, December 5, 2011 at 1:33pm by Anonymous

chemistry help asap
what is the molarity of a solution prepared by diluting 500ml of a 6.0 M solution to 750 ml?
Monday, February 6, 2012 at 8:20pm by Abdul

chemistry help asap
what is the molarity of a solution prepared by diluting 500ml of a 6.0 M solution to 750 ml?
Monday, February 6, 2012 at 8:20pm by Abdul

Chem II
A solution is prepared by dissolving 12.7 g Ca(NO3)2 in enough water to make 100.0 mL of stock solution (molar mass is 164.09-1). What is the molarity of the solution?
Wednesday, January 23, 2013 at 10:08pm by vera

chemistry! URGENT
A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 10.0 mg of fluoxymestrone in enough water to give a total volume of 500.0 ml. A 100.0 micro liter aliquot (portion)of this ...
Wednesday, December 7, 2011 at 1:39am by Lindsay

chemistry
What is the molarity of a solution prepared by dissolving 8.5 g NaCl in enough H2O to give 600 ml of solution?
Wednesday, October 27, 2010 at 3:14pm by mica

chemistry
2.36 L of an aqueous solution containing 39.0 g of KCl dissolved in pure water is prepared. The molarity of the solution is?
Tuesday, February 8, 2011 at 11:45pm by Jen

chemistry
calculate the molarity of a solution prepared by dissolving 5g of sodium hydroxide in water to make 1l of solution
Wednesday, May 11, 2011 at 3:33pm by dann mavado

Chemistry
One liter of Saline solution is prepared by dissolving 25.0 g NaCl in water. Find the molarity of this solution.
Monday, February 20, 2012 at 11:18pm by Kristen

Chemistry
What is the molarity of a solution prepared by dissolving 2 moles of BaCl2 in enough water to make a 4.0 L solution? M= mols/L a. 0.5 M b. 8.5 M c. 17.1 M
Thursday, June 7, 2012 at 8:51pm by Anonymous

chemistry
what is the molarity of a solution prepared by dissolving 63.0 g NaF in enough water to make 250.0 mL of solution?
Tuesday, October 16, 2012 at 12:56pm by Gloria

chemistrey
What is the molarity of a solution prepared by dissolving 8 grams of BaCl2 in enough water to make a 450.0 mL solution?
Thursday, March 7, 2013 at 11:37am by Anonymous

Chemistry
1.69 L of an aqueous solution containing 25.00 g of KCl dissolved in pure water is prepared. What is the molarity of the solution?
Friday, April 22, 2011 at 6:56pm by Lori

chemistry - science
calculate molarity of NaOHin the solution prepared by dissolving its 4g in enough water to form 250ml of this solution ?
Friday, February 17, 2012 at 7:31am by tania

chemistry
you dissolve 0.70 moles of HCI in enough water to prepare 250ml of solution. what is the molarity of the solution you have prepared
Sunday, April 15, 2012 at 11:17pm by aileen

chemistry
Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.
Saturday, December 15, 2012 at 10:44pm by julie

chemistry
Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.
Wednesday, April 3, 2013 at 10:27pm by kelli

Chemistry
What is the molarity of a solution prepared by dissolving 5.86 grams of naoh in enough water to make 250 milliliters of solution
Thursday, May 9, 2013 at 4:35pm by Talia flores

chemistry
calculate the molarity of the solution prepared by dissolving 16.45g NH4NO3 in water to make 250.mL solution.
Sunday, March 16, 2014 at 8:39am by hunter

chem!
A solution was prepared by dissolving 0.163 g of sugar, (C12H22O11 MW = 3423gmol) in 100.00 mL water. What is the molarity of this solution?
Monday, April 13, 2009 at 1:01am by eve

Chemistry
what is the molarity of a solution prepared by dissolving 222 g of sodium carbonate in enough water to make a solution volume of 3250 mL's?
Friday, July 9, 2010 at 11:40pm by Heather

Chemistry
Determine the molarity of a solution prepared by dissolving 16.9g of naoh in enough water to make 250.0ml of solution
Thursday, April 4, 2013 at 6:28pm by Ryan love

Chemistry
I have 93.954 mL of a generic cola solution. The solution contains: Molarity of H++1.005e-7 Molarity of OH- = 1.005e-7 Molarity of Sucrose(aq) = 6.386e-1 Molarity of Dye= 5.322e-3 Calculate the mass percent, molarity, molality and mole fraction.
Thursday, November 3, 2011 at 8:39am by Emily

chemistry
Calculate the molarity of a solution that is prepared by dissolving 23.35g of CaCl2 in a sufficient amount of water to make a 600 mL solution
Wednesday, May 7, 2008 at 9:02pm by katie

chemistry
Calculate the molarity of a solution that is prepared by dissolving 23.35g of CaCl2 in a sufficient amount of water to make a 600 mL solution.
Wednesday, May 7, 2008 at 11:16pm by katie

CHEM
What is the molarity of a calcium sulfate solution prepared by adding 27.89g of CaSo4 to sufficient water to make a final solution volume of 1.00L?
Thursday, February 7, 2013 at 9:20pm by Lisa

CHEM
What is the molarity of potassium iodide solution prepared by adding 5.810g of KI to sufficient water to make a final solution volume of 250.0mL?
Thursday, February 7, 2013 at 9:24pm by Lisa

chemistry
For an experiment, a student needs 1L each of 2M NaOH and 2 M KCl solutions. The NaOH will be prepared from a 12M stock solution, whereas the KCl will be prepared from dry, powder,KCl. Describe the process by which each of the solutions can be prepared. Include: Mention of ...
Saturday, May 22, 2010 at 10:24pm by baby_doll321

chemistry
What is the molarity (moles per liter) of an aqueous solution that is prepared by dissolving 5.58g NaOH (MW=40) in enough water to make 250mL of solution?
Thursday, March 28, 2013 at 7:16pm by Kishwa

Chemistry
a solution is prepared by dissolving 22.0g of NaOH in 117.0g of water. The NaOH solution has a density of 1.15 g/mL. what is the Molarity(M) of the solution.
Friday, March 14, 2014 at 1:07pm by caroline

chemistry
prepare M/20 solution of oxalic acid. Find out the molarity and strength in gram per litre of the given solution of potassium permanganate with the help of the prepared solution of oxalic acid
Tuesday, April 5, 2011 at 9:47am by sidd

chemistry
Calculate the molarity of a solution prepared by diluting 200.0 mL of 4.0 M HCl to 500.0 mL of solution a. 1.1 M b. 1.6 M c. 2.7 M d. 10. M
Sunday, December 11, 2011 at 4:32pm by anonymous

Chemistry
What is the molarity of a solution prepared by diluting 100g of NaH2PO4 to 1L?
Tuesday, April 21, 2009 at 9:20pm by Jessi

chemistry
A solution is prepared by mixing 5.00 grams of compound Z (molar mass 15.00 g/mol) in 100.0 ml of water. The density of the solution is 1.09 g/ml. Calculate the molarity of the solution
Thursday, January 27, 2011 at 1:57am by Angela

Chemistry
Calculate the molarity of a solution prepared by dissolving 16 g of urea, NH2CONH2, in 39 g of H2O. The density of the solution is 1.3 g/mL. I've tried this question so many times but I keep getting it wrong please help me
Sunday, September 29, 2013 at 11:54pm by danielle

chemistry
The molarity of urea in a solution prepared by dissolving 16 g of urea (MW 60.0g/mol) in 39 g of H2O is ______M. The density of the solution is 1.3 g/ml.
Tuesday, March 9, 2010 at 1:32am by CC

Chemistry
Calculate the molarity of Na2C204 solution prepared by dissolving 1.2222 grams of pure Na2C204 in enough water to make 500.00 mL of solution.
Tuesday, October 25, 2011 at 10:57pm by Ashley(please help!!!!)

Chemistry
Calculate the molarity of Na2C204 solution prepared by dissolving 1.2222 grams of pure Na2C204 in enough water to make 500.00 mL of solution.
Tuesday, October 25, 2011 at 10:57pm by Ashley(please help!!!!)

science
A solution of NaOH(molar mass 40g mol-1)is prepared by dissolving 1.6g of NaOH in 500 cm cube of water.Calculate molarity(M) of the solution
Saturday, April 6, 2013 at 7:52am by Divya

chemistry
a 230.0ml sample of a 0.275 molarity solution is left on a hot plate over night the folowing morning the solution is 1.5 molarity. what volume of solvent has evaportated from the 0.275 molarity solution?
Thursday, June 21, 2012 at 9:16am by kristen

chemistry
a 230.0ml sample of a 0.275 molarity solution is left on a hot plate over night the folowing morning the solution is 1.5 molarity. what volume of solvent has evaportated from the 0.275 molarity solution?
Thursday, June 21, 2012 at 9:16am by kristen

chemistry
a 230.0ml sample of a 0.275 molarity solution is left on a hot plate over night the folowing morning the solution is 1.5 molarity. what volume of solvent has evaportated from the 0.275 molarity solution?
Thursday, June 21, 2012 at 9:16am by kristen

Chemistry
A solution of ethanol (C2H5OH) in water is prepared by dissolving 76.9 mL of ethanol (density 0.79 g/cm^3) in enough water to make .250 L of solution. What is the molarity of ethanol in this solution?
Thursday, May 6, 2010 at 10:31am by Anonymous

chemistry
A solution of ethanol (C2H50H) in water is prepared by dissolving 76.9ml of ethanol (density0.79g/cm3) in enough water to make 0.25L of solution. What is the molarity of ethanol in this solution Who helps me
Saturday, September 29, 2012 at 12:56am by Fai

chemistry
what is the molarity of a solution prepared by dissolving 2.24 grams of NaOH in enough deionized water to obtain 500.0ml of solution?The molar mass of NaOH is 40.0g
Sunday, October 30, 2011 at 7:45pm by denis

chemistry
what is the molarity of a solution prepared by dissolving 2.24 grams of NaOH in enough deionized water to obtain 500.0ml of solution?The molar mass of NaOH is 40.0g
Monday, October 31, 2011 at 7:26am by denis

chemistry
a sodium hydroxide solution was prepared according to the procedure outlined in this weeks experiment. This sodium hydroxide solution was standardized by by titration against exactly 10mL of a 0.28M hydrochloric acid solution. In three titrations, the volumes of the sodium ...
Sunday, November 25, 2012 at 3:26pm by Kacie

chemistry
If you add a metal piece to excess acid, what of listed factors below will increase, decrease, or have no impact on how fast a reaction happens? a) lower molarity (concentration) of a solution b) higher molarity (concentration)of a solution c) increase volume of a solution (...
Wednesday, May 22, 2013 at 10:08pm by K

Chemistry
A solution is prepared by placing 27.8 g of KCl in a 0.700 L volumetric flask and adding water to dissolve the solid, then filling the flask to the mark. What is the molarity of an AgNO3 solution if 22.1 mL of the KCl solution react exactly with 43.0 mL of the AgNO3 solution?
Sunday, March 2, 2014 at 10:21pm by Ali

chemistry
The molarity of urea in a solution prepared by dissolving 16 g of urea (MW = 60.0 g/mol) in 39 g of H2O is __________ M. The density of the solution is 1.3 g/mL. i get 8.9 but the practice test says the answer its 6.3
Sunday, September 26, 2010 at 2:28pm by BenY

chem
A solution is prepared with 50.0 g of HNO3 and 130.0 g of H2O. It has a density of 1.21 g/mL. What is its molarity (M)?
Monday, November 29, 2010 at 12:27pm by Michelle

Chemistry
What is the molar concentration (M= molarity) of a solution prepared by dissolving 50 g of NaCl in 750ml of water?
Sunday, February 19, 2012 at 1:55pm by Nene

Chemistry
What is the molarity of a solution prepared by dissolving 4.92 g of calicum nitrate in 250 mL of water?
Tuesday, May 1, 2012 at 1:17pm by Ambra

college chemistry
what is the molarity of NaF in the final solution if a solution was prepared by mixing 35.0mL of 0.200M NaF with 28.5mL of 0.350M NaF
Wednesday, November 9, 2011 at 11:14am by S.Dunn

Chemistry
Sorry Dr. Bob, I wsa looking for the Sucrose, not all 16 calculations. Can you help me with the Sucrose? I have 93.954 mL of a generic cola solution. The solution contains: Molarity of H++1.005e-7 Molarity of OH- = 1.005e-7 Molarity of Sucrose(aq) = 6.386e-1 Molarity of Dye= ...
Thursday, November 3, 2011 at 12:48pm by Emily

chemistry
A solution is prepared by adding 1.00 g of solid \rm NaCl to 50.0 mL of 0.100 M \rm {CaCl_2}. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 m
Sunday, October 2, 2011 at 1:52pm by jared

CHEMISTRY
I didn't answer your original question because it makes no sense. There is no such thing as preparing a molarity solution. You can prepare a MOLAR solution or a TWO MOLAR solution but you can't prepare a molarity solution. You CAN add an maount of material to a certain amount ...
Monday, March 16, 2009 at 9:00pm by DrBob222

chemistry
10. An aqueous solution is prepared by diluting 3.30 mL acetone, CH3COCH3, (d=0.789 g/mL) with water to a final volumeof 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity and molality of acetone in this solution?
Tuesday, April 3, 2012 at 11:46am by Anonymous

chemistry
What is the molarity of a solution prepared by dissolving 2.41 g of potassium iodide, KI in 100 mL of water?
Sunday, May 6, 2012 at 3:50pm by Ambra

Chemistry
What is the molarity of a solution prepared by diluting 25.0 mL of 0.412 M magnesium nitrate to a volume of 1.50 L please help!
Friday, November 30, 2012 at 10:50pm by Ashley

Chemistry
What is the molarity of a solution with 3.5mol of CaCl2 in 1.89L of solution What is the molarity of a solution with 16g of CH3OH in 487mL of solution
Wednesday, March 4, 2009 at 8:32pm by Ali

chem
A solution of ethanol (C2H5OH) in water is prepared by dissolving 57.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 240.0 mL of solution. What is the molarity of the ethanol in this solution?
Saturday, November 3, 2007 at 11:31pm by mel

Chemistry
A solution of ethanol (C2H5OH) in water is prepared by dissolving 61.9 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
Wednesday, October 27, 2010 at 11:58pm by Andrea

chemistry
A solution of ethanol (C2H5OH) in water is prepared by dissolving 87.4 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
Monday, January 3, 2011 at 4:42pm by bob

Chemistry #11
A solution of ethanol (C2H5OH) is prepared by dissolving 35.0 ml of ethanol in enough water to make 120.0 ml of solution. What is the molarity of the ethanol in this solution? 46.07 g= molar mass of ethanol .079 g/ml=density
Monday, October 14, 2013 at 11:15pm by Chelsea

Science
A solution is prepared by dissolving 38 g of H2S04 in 220 g water. If the density of the solution is 1.96 g/ml, find its: molality molarity mole fraction of the components of the solution normality This assignment is needed tomorrow. I really don't know the answer. I tried ...
Sunday, January 26, 2014 at 8:17am by Drenju

CHEMISTY
WHAT IS THE MOLARITY OF A SOLUTION PREPARED BY DISSLOVING 4.92 GRAMS OF CALCIUM NITRATE, Ca(NO3)2 in 250 mL OF WATER?
Monday, July 21, 2008 at 10:22pm by Persia

Chemistry
What is the molarity of a nitric acid solution prepared by diluting 250.0 mL of 6.00 M HNO3 to a total volume of 2.50 L?
Saturday, April 17, 2010 at 12:34am by Anonymous

CHM general 2
Indicated whether the calculated molarity of NaOH would be lower or higher Than the real value; or unaffected? a) the water of the NaOH solution is not boiled and cooler before the solution is prepared b) The buret, wet with water, is not rinsed with NaOH solution before filling
Wednesday, February 23, 2011 at 7:18pm by Grettel

chem
The molarity and the molality of a solution prepared by dissolving 2.00 g of ethanol C2H5OH with 100.0 g of water to give a final volume 102 mL are would i just add both the grams and divide by 102 for molarity? and molalty i would just add the mass?
Friday, August 8, 2008 at 6:49pm by so

Chemistry
An aqueous solution with a density of 0.998 g/ml at 20 degrees Celsius is prepared by dissolving 12.8 mL of CH3CH2CH2OH (p=0.803 g/mL) in enough water to make 75.0 mL of solution calculate the molarity
Saturday, October 1, 2011 at 7:32pm by Jessica

chemistry
if 200.0 ml of 0.800 m is prepared from a 70.0 ml stock solution, what is the molarity of stock solution
Friday, March 11, 2011 at 8:26am by Anonymous

general, organic and biochemistry
when a solution prepared by dissolving 4.00g of an unknown monoprotic acid in 1.00L of water is titrated with 0.600M NaOH, 38.7mL of the NaOH solution is needed to neutralize the acid. What was the molarity of the acid solution? what is the molecular weight of the unknown acid?
Tuesday, November 23, 2010 at 6:37am by Ksolo

CHEMISTRY
Consider an aqueous solution prepared from 250.0 mL of water and 1.27 g of potassium bromide. Express the amount of potassium bromide in this solution in terms of (a) mass percent (b) mole fraction (c) molarity assume the density of the solution is equal to that of water, 1.00...
Monday, December 13, 2010 at 7:56pm by STACY

Chemistry
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 17.0 of luminol into a total volume of 75.0 of . What is the molarity of the stock solution of luminol?
Tuesday, October 13, 2009 at 7:25pm by boston

Chemistry (URGENT)
Calculate the molarity of the Co^2+ ion in each of the solutions 1-5. The new molarity is given by the molarity of the stock solution multiplied by the dilution factor. Solution: Co(NO3)2 Original molarity: 0.160 Dilution #1: none D#2: 12mL to 16mL D#3: 8mL to 16mL D#4: 4mL to...
Wednesday, December 15, 2010 at 8:18pm by John

CHEM
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 14.0 g of luminol into a total volume of 75.0 mL of . What is the molarity of the stock solution of luminol?
Thursday, October 18, 2007 at 3:31am by hany

CHEM
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 14.0 g of luminol into a total volume of 75.0 mL of . What is the molarity of the stock solution of luminol?
Thursday, October 18, 2007 at 3:31am by hany

chemistry -IMPORTANT-
1)how is the number of moles dissolved in a set amount of solvent related to the molarity? \M = #moles/Liter of solution. 2)how to determine the amount of solvent in 100, 125, 200, and 375 mL of a solution of KI This isn't clear to me. If the solution is dilute enough, the ...
Thursday, February 12, 2009 at 12:26pm by DrBob222

Science
What is the molarity of a solution prepared by dissolving 60 gm of Glucose in 500 gm of water
Thursday, October 4, 2012 at 2:23am by Imrul

Chemistry
What is the molarity of the original solution? That will be 348.29 g/molar mass NaCl = moles and that is in 1.000L so that is the molarity. Technically you can't determine the molarity of the diluted solution because you don't give the density. IF you make the assumption that ...
Wednesday, August 24, 2011 at 2:19am by DrBob222

Chemistry
A solution of magnesium chloride, MgCl2, is prepared by dissolving 19.0g of MgCl2 in 250 mL OF water. a.) Calculate the weight percent of magnesium chloride in solution. b.)The denstiy of the above solution is 1.05 g/mL. Calculate the molarity of the magnesium chloride ...
Wednesday, October 24, 2012 at 8:22pm by Josh

Chemistry
A solution is prepared using 15.0 mL of 1.0 M HCl and 20.0 mL of 0.5 M HNO3. The final volume of the solution is 1.25 L. What are the [H3O+] and [OH-] in the final solution? What is the pH of the final solution? Ok. I got 0.015 mol HCl and 0.1 mol HNO3. Do I just add the moles...
Saturday, May 22, 2010 at 1:26pm by Heather

Chemistry
The molarity and the molality of a solution prepared by dissolving 2.00 g of ethanol C2H5OH with 99.0 g of water to give a final volume 101 mL are ______Molarity and _______molality. How do I do this?
Monday, August 4, 2008 at 9:46pm by Blair

chemistry
What is the molarity of a nitric acid solution prepared by diluting 1.5L of 3.00M HNO3 to a total volume of 2.50L? Is the correct answer 1.8M or do I have to do more???
Sunday, December 13, 2009 at 6:31pm by yppum

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

chem
a.)How many moles of NaOH are required to prepare 2.00L od 0.380M solution? answer is 0.760 mole of NaOH (mole/l * 2.00L) b.)What will be the molarity of a solution if 3.50 g of KOH are dissolved in water to make 150.0 mL of solution? answer is 0.52 M KOH (gKOH/molar mass KOH=...
Friday, November 30, 2012 at 12:34am by Angel Locsin

chemistry
The molarity of a solution prepared by dissolving 15.0 grams of NaCl in 100 mL water is 0.15 M. True or False
Monday, December 5, 2011 at 2:20pm by Anonymous

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