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April 16, 2014

Search: how many ml of 0.15 m naoh solution are required to neutralize 35.00 ml of 0.22 m hcl

Number of results: 85,930

CHEMISTRY
Sorry I had to go to bed last night. I'm going to represent the acid as BNH^+ and the base as BN Let suppose we use ALL of the acid that is available so we will have 500 mL x 0.113M = 56.5 millimoles BNH^+ = acid. How much NaOH must we add to neutralize a part of the acid to ...
Wednesday, November 28, 2012 at 9:28am by DrBob222

chemistry
You have two questions here. #1. pH of 0.8 mL x 0.1 M NaOH + 8.00 mL of 0.1 M HCl. moles NaOH = M x L = 0.1 x 0.0008 = 0.00008 moles NaOH. moles HCl = M x L = 0.1 x 0.008 = 0.0008 moles NaOH + HCl ==> NaCl + H2O Now place the moles under the reactants so you can see what is...
Monday, July 12, 2010 at 4:33am by DrBob222

organic bio chemistry
how many mL of a 0.20M KOH solution is needed to neutralize 25 mL of 0.25 M H2SO4?
Tuesday, March 8, 2011 at 11:06pm by lisa

chemistry
Dilute 2.00 mL to 50.0 vol flask. Mix thoroughly. This is solution A. Dilute 10 mL of solution A 10.0 mL to 100 mL vol flask. This is solution B which should be 0.00052M 0.13 x (2.00/50.0) = 0.0052M Then 0.0052 x (10.0/100) - 0.00052M
Tuesday, July 2, 2013 at 12:55pm by DrBob222

Chemisry
What is the % M/M concentration of 5.00 mL of methanol in 25 g solution of methanol in water? The density of methanol is 0.791 g/mL. The density of water is 1.000 g/mL. The density of the solution is 0.995 g/mL. Please show work, thank you!
Saturday, February 23, 2013 at 11:45am by Rena

Chemistry
If 31.00 mL of a dilute solution of lime water (calcium hydroxide) required 10.10 mL of 0.246 M hydrochloric acid solution for neutralization to a methyl red end point, calculate the molarity of the lime water. Can you please explain how to do it? Do I use M1V1=M2V2?
Saturday, April 2, 2011 at 3:22pm by Lara

college chemistry
Suppose you have a 0.200 M solution of the nitrogen-containing weak base NX. Suppose you wish to titrate 25 mL of this 0.200 M NX solution with a 0.100 M solution of the strong acid HNO3. Given that the Kb value of NX is 6.50x10-5, complete each of the following: a) What ...
Wednesday, April 21, 2010 at 5:58pm by Aubree

chemistry
If solution HA is a weak acid, I don't know how you solve for Ka unless it is given. If soln HA is a strong acid, then A from HA = 5 mL x 1 M = 5 millimoles diluted to 40 mL = 0.125 M A from NaA is 35 mL x 1 M = 35 millimoles diluted to 40 mL = 0.875 M Total A is 0.125 + 0.875...
Tuesday, August 17, 2010 at 1:15pm by DrBob222

Chemistry
Sodium oxide, reacts with water to give NaOH. A) Write a balance equation? B)What is the pH of the solution prepared by allowing 1.55 g of Na2O to react with 500.0 ml of water? (assume there is no volume change) C) How many milliliters of 0.0100M HCL are needed to neutralize ...
Sunday, November 21, 2010 at 5:03pm by Ann

General Chemistry
millimoles HCl = 8.00 mL x 0.1M=0.8mmols. mmoles NaOH = 2.50 mL x 0.1M = 0.25 mmols. mmoles NaOH = 9.50 x 0.1M = 0.95 mmoles. mmoles HAc = 8.00 mL x 0.1M = 0.8 mmoles. -------------------------------------- ..........HCl + NaOH ==> H2O + NaCl initial...0.8....0........0...
Sunday, November 6, 2011 at 9:28pm by DrBob222

CHEM, please help!
A 11 mL sample of a solution of AlBr3 was diluted with water to 23 mL. A 15 mL sample of the dilute solution was found to contain 0.045 moles of Br-. What was the concentration of AlBr3 in the original undiluted solution? answer is 2.09 but i cant get it.
Thursday, February 16, 2012 at 11:07pm by Kate

Chemistry
moles NaOH = M x L = 0.613 x 0.03375= ?? So moles acidity in the solution (the vinegar) is the same as moos NaOH since the reaction is a 1 mole to 1 mole ratio. Since moles vinegar is in 25 mL, then M = moles/L and M vinegar = moles from above/0.025 = ?? OR, if you don't want ...
Tuesday, June 22, 2010 at 4:44pm by DrBob222

chemistry
What volume of .101 M HNO3 is required to neutralize each of the following solutions? there are four and i got them all right but this one... 51.1 mL of .127 M NH3 i got 193 mL can someone please help???
Tuesday, March 10, 2009 at 4:26pm by lyne

Chemistry
How many grams of lithium nitrate, LiNO3, are required to prepare 3.00 × 102 mL of 2.00 × 10–1 M solution?
Wednesday, May 12, 2010 at 9:43am by Chris

Chem
There are three questions in particular that I am having problems with. Here they are 1. A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard ...
Monday, January 19, 2009 at 4:25pm by Mark

Chemistry
Determine the volume of 0.250 M KOH solution required to neutralize each of the following samples of sulfuric acid. The neutralization reaction is: H2SO4(aq) + 2KOH(aq) = K2SO49aq) + 2H2O(l) Find: 15 mL of 0.250 M H2SO4
Tuesday, November 30, 2010 at 7:31pm by Kelsey G

Chemistry
A 50.0 mL sample of 0.12 M formic acid, HCOOH, a weak monoprotic acid, is titrated with 0.12 M NaOH. Calculate the pH at the following points in the titration. Ka of HCOOH = 1.8 multiplied by 10-4. What is the pH when 50.0 mL NaOH is added 60.0 mL NaOH is added 70.0 mL NaOH is...
Sunday, April 3, 2011 at 5:13pm by George

Chemistry
Antacid tab is dissolved in water and a few drops of phenolphthalein is added yielding bright pink solution. 0.2025 M HCl added until pink color disappears. The 0.2147 M NaOH added until it turns light pink for ~30 seconds. mass on antacid tablet = 1.056g initial V 0.2025 M ...
Saturday, December 1, 2012 at 4:43pm by T

Chemistry
Yes and no. moles NaOH = M x L and you are correct. moles CH3COOH must be the same. grams CH3COOH = molx x molar mass. Thus, that is grams CH3COOH in 5 mL if you titrated a 5.00 mL sample. You want to know the g/100 mL for % w/v. grams in 100 mL = grams in 5 mL x 20 = ?? (...
Sunday, January 30, 2011 at 10:05pm by DrBob222

CHM 152
An automobile antifreeze contains equal volumes of ethylene glycol (d=1.114 g/mL and FW = 62.07) and water (d=1.00 g/mL) at 25oC. The solution has a density of 1.06 g/mL. What is the molarity of ethylene glycol in the solution?
Tuesday, June 8, 2010 at 12:06am by Car

chemistry
calculate the Ph in the titration of 50.00 ml of 0.100 M ammonia with 0.100 M HCl after 0,24.00,50.00, and 74.00 ml acid have been added Ka((NH3)= 1.8x10^(-5) PH= ............ when 0 ml added. PH= ............ when 24.00 ml added PH= ............ when 50.00 ml added PH...
Friday, December 2, 2011 at 6:50pm by saud

Chemistry
An antacid tablet weighing 1.462 grams was dissolbed in 25mL of 0.8M HCl and diluted with water. The excess HCl was titrated with 3.5 mL of 1.019M NaOH solution. 1. Calculate the number of millimoles added to the tablet 2. Calculate the number of millimoles of NaOH required to...
Thursday, July 1, 2010 at 9:21pm by Daria

Chemistry
An antacid tablet weighing 1.462 grams was dissolbed in 25mL of 0.8M HCl and diluted with water. The excess HCl was titrated with 3.5 mL of 1.019M NaOH solution. 1. Calculate the number of millimoles added to the tablet 2. Calculate the number of millimoles of NaOH required ...
Monday, October 4, 2010 at 4:12pm by Jennifer

Chemistry
What is the volume of 0.05-molar HCl that is required to neutralize 50 ml of a 0.10-molar Mg(OH)2 solution?
Wednesday, March 9, 2011 at 9:53pm by Abe

College-Chemistry
NaOH(s)+ H2SO4(aq)=Na2SO4(aq) + H2O(l) Consider the unbalanced equation above.A 0.900 g sample of impure NaOH was dissolved in water and required 37.0 mL of 0.145 M H2SO4 solution to react with the NaOH in the sample. What was the mass percent of NaOH in the sample?
Friday, February 26, 2010 at 12:12pm by Tiffany

chem-acid-base titrations
Acetic acid (HC2H3O2) is an important component of vinegar. A 10.00mL sample of vinegar is titrated with .5052 M NaOH, and 16.88 mL are required to neutralize the acetic acid that is present. a.write a balanced equation for this neutralization reaction b.what is the molarity ...
Monday, April 21, 2008 at 10:06pm by natash

Chemistry Lab
You need 123 mL of 0.245 M NaOH solution for a certain experiment, and the only solution available in the lab is 1.252 M. How many mL OF THE 1.252 M NaOH would you need?
Tuesday, May 10, 2011 at 3:41pm by Thao

Chemistry
HF + NaOH =NaF + H2O What will be the pH of a solution produced when 40 mL of 0.25 M HF is titrated with 80 mL of 0.125M NaOH? Ka for HF is 3.5*10^-4
Saturday, April 21, 2012 at 8:25pm by Kristen

Chemistry
50.00 mL of OOH was diluted to 250.0 mL with deionized water. In the determination of the total cation concentration, 25.00 mL aliquots of the dilute OOH were passed through a cation exchange column and the eluent titrated with an average 27.42 mL of 0.1134 M NaOH. In the ...
Wednesday, January 25, 2012 at 5:45pm by Camice

Chemistry
50.00 mL of OOH was diluted to 250.0 mL with deionized water. In the determination of the total cation concentration, 25.00 mL aliquots of the dilute OOH were passed through a cation exchange column and the eluent titrated with an average 27.42 mL of 0.1134 M NaOH. In the ...
Thursday, January 26, 2012 at 5:51am by Georgia

chemistry
50.00 mL of OOH was diluted to 250.0 mL with deionized water. In the determination of the total cation concentration, 25.00 mL aliquots of the dilute OOH were passed through a cation exchange column and the eluent titrated with an average 27.42 mL of 0.1134 M NaOH. In the ...
Thursday, January 26, 2012 at 10:17pm by Annabelle

Chemistry
How many mL of a 6 M HCl solution are required to prepare 200 mL of a 0.2 M solution?
Monday, June 20, 2011 at 4:07pm by Brea

Chemistry
What volume(ml) of 8.0 M solution is required to make 134.3 ml of 1.2 M solution
Monday, April 8, 2013 at 3:45pm by Linzy

Chemistry
Matt's instructions can be interpreted the wrong way so let me clarify the directions. Both questions pose the same risk in answering. To prepare 100 mL of 0.85 M NaCl, add 4.9674 g NaCl to a 100 mL volumetric flask, add water, swirl to dissolve, when completely dissolved add ...
Thursday, April 29, 2010 at 12:51am by DrBob222

Chemistry
millimoles CH3COOH = 60.0 x 0.1M = 6,00 mmoles. 30 mL x 0.200 M NaOH = 6.00 mmols NaOH. So at 30.00 mL you are at the equivalence point and the pH is determine by the hydrolysis of the salt, in this case, CH3COONa. The concn of the salt is 6.00 mmoles/(60+30)mL = 0.06667M. I'...
Wednesday, October 19, 2011 at 10:47pm by DrBob222

johnson
Work these titration calculations: 1. A titration of 15.0 cm3 of household ammonia, NH3, required 38.57 cm3 of 0.78M HCl. Calculate the molarity of the ammonia. 2. What volume of 0.5M HNO3 is required to neutralize 25 cm3 of a 0.2M NaOH solution? 3. Calculate the volume of 0....
Monday, June 18, 2012 at 8:13pm by Lemun

chemistry
280 ppm = 280 g/10^6 g solution. If we call the density of the solution 1.00 g/mL and we ignore the contribution of the mass of the salt to the solution (usually ok since the amount of salt is so small), then 280 ppm = 280 g/10^6 mL which is the same as 0.280 g/10^3 mL = 0.280...
Wednesday, April 21, 2010 at 10:21pm by DrBob222

chemisrty
When 50.0 ml of 1.00 M KOH is reacted with 50.0 ml of 1.00 M HCL, the temperature rose from 20.0 degrees celsius to 28.7 degrees celsius. What is the heat generated by this neutralization? (Assume that the density of the two 1 M solutions is 1.00 g/ml and that the heat ...
Tuesday, June 29, 2010 at 11:17pm by gary

CHEMISTRY/
A student takes a 1.00 mL aliquout of 5.00*10^-4 M HCl solution and dilutes it to the mark with water in a 1000.0 mL volumetric flask. (a)What is the expected pH for the final solution at 25C? (b)What would be the expected pH if this solution were later used at a temperature ...
Sunday, March 20, 2011 at 5:38am by TORI

chemistry
How many grams of lithium nitrate, LiNO­3, are required to prepare 3.00 × 102 mL of 2.00 × 10−1 M solution?
Tuesday, December 6, 2011 at 2:21pm by kathy

Chemistry
A quantity of 100 mL of .5M of HCl (aq) is mixed with 100 mL of .5M of NaOH (aq) in a constant pressure calorimeter. The initial temperature of the solutions is 22.30 C and the final temperature of the mixed solution is 25.00 C. What is "q" for solution and "q" for reaction?
Sunday, April 8, 2012 at 11:00pm by Dante

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
see same question how many grams nitric acid HNO3 must be dissolved in 350 ml water to make a solution with pH of 4.5"? or "how many ml of a 4.2M nitric acid solution are required to make 500 ml of solution with pH of 2.9
Sunday, May 12, 2013 at 11:29am by kriti

MAC1045
What will be the final temperature of the solution in a coffee cup calorimeter if a 50.00 mL sample of 0.250 M HCl(aq) is added to a 50.00 mL sample of 0.250 NaOH(aq). The initial temperature is 19.50 degrees C and the
Thursday, April 21, 2011 at 9:57pm by Julian

chemistry
Calculate the amount of NaOH in this solution 5.00mL of 12.0 NaOH is diluted with water to make 24 mL of 2.50 NaOH solution
Tuesday, April 24, 2012 at 12:36pm by crystal

College Chemistry
HCl + NaOH ==> NaCl + H2O Since this is a 1:1 reaction, one may use this formula. mL x M = mL x M mL NaOH = 39.39 - 2.44
Sunday, October 3, 2010 at 3:14pm by DrBob222

Chemistry
Absolutely not. 50 mL 0.1M HA or 50 mL of 0.1M HB will take exactly the same amount of 0.1M NaOH to neutralize each.
Thursday, March 10, 2011 at 8:20am by DrBob222

Chemistry
I've been given the Volume of Concentrated NaOh solution (mL) and also the Concentration of Concentrated NaOh solution (M). I also have the volume of stock solution after dilution (mL). The question is asking the approximate concentration of stock solution (M) any help?
Friday, October 31, 2008 at 10:12am by Vanessa

Chemistry
_____ g of MnSO4 H2O are needed to prepare a solution of 100.00 mL of 0.700 M MnSO4 Dilution of 1.00mL of 0.7 M MnSO4 solution to 20.00 mL aqueous solution gives a new concentration of _____ M .
Sunday, April 5, 2009 at 5:00pm by Phan

Chemistry
A solution is prepared by adding 50.3 mL of concentrated hydrochloric acid and 16.6 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint: Concentrated HCl is 38% HCl...
Tuesday, February 28, 2012 at 7:25pm by Andre

Chemistry
A solution is prepared by adding 47.3 mL of concentrated hydrochloric acid and 16.3 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint: Concentrated HCl is 38% HCl...
Monday, May 21, 2012 at 8:44pm by Andrew

Analytical Chemistry
HBr + NaOH ==> NaBr + H2O 1. First you need to calculate the volume of HBr required to reach the equivalence mols NaOH = M x L = 0.1M x 0.1L =- 0.01 mols HBr must be 0.01 to reach the equivalence point. Then M HBr = mols HBr/L HBr. Substitute to obtain 1M = 0.01/L and L = 0...
Saturday, December 1, 2012 at 3:37pm by DrBob222

chemistry
How many mL of 0.40M NaOH are need to neutralize 30.0 mL of 0.50 M H2SO4 according to the following reaction. 2NaOH(aq) + H2SO4 (aq)----Na2SO4 (aq) + 2H2O(l)
Wednesday, March 20, 2013 at 9:55pm by Sara

chemistry
how many grams of solid NaOH are required to prepare 200 ml of a .05 M solution?
Thursday, February 5, 2009 at 10:17pm by ash

chemistry
how many grams of solid NaOH are required to prepare 200.0 mL of a .050 M solution?
Tuesday, September 1, 2009 at 10:37pm by mariah

Chemistry
What mass of NaOH is required to prepare 500.0 mL of 0.1029 M stock solution?
Tuesday, October 9, 2012 at 3:06am by Erin

Chemistry
A buffer is made by mixing 52.1 mL of 0.122 M acetic acid with 46.1 mL of 0.182 M sodium acetate. Calculate the pH of this solution at 25 degrees C after the addition of 5.82 mL of 0.125 M NaOH
Saturday, May 1, 2010 at 12:48pm by Chemistry Problem

chemistry
Mass of Aspirin tablet: 0.357 g 10 mL of 1 M NaOH was added to the aspirin tablet in a 125 mL Erlenmeyer flask and heated to a boil. The solution was transferred to a 100 mL volumetric flask and the flask was filled to the mark with DI water. 1 mL of the solution was pipetted ...
Sunday, January 31, 2010 at 4:02am by t

science
30 ml KMnO4 solution is required to titrate 25 ml M/50 oxalic acid solution.find the molarity of KMnO4 solution and g/L also.
Friday, October 25, 2013 at 5:18am by Prince

chemistry
21.00 mL of 0.200 M HBr is titrated with 0.351 M NaOH. What is the pH after the addition of 6.56 mL of the base ?
Friday, November 5, 2010 at 3:14am by lizz

Chemistry
If you have 10.00 mL of 0.5875 M H3PO4, how many mL of 0.2625 M NaOH are needed to reach the point of complete neutralization?
Wednesday, December 4, 2013 at 1:50am by Dine

Chemisry
If 125 mL of a 6.00 M KNO3 solution is diluted with 100.0 mL of water, the molarity of the resulting solution would be
Wednesday, October 16, 2013 at 11:11pm by Anonymous

Chemistry -- to Dr.Bob
You have too many questions within questions which makes it confusing. Let me separate the first one. What is the pH of the solution created by combining 2.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? NaOH + HCl ==> NaCl + HOH Strong base + strong acid. ...
Friday, May 2, 2008 at 9:41pm by DrBob222

Chemistry
Calculate the molarity of the concd HCl. 1.20 g/mL x 1000 mL x 0.37 x (1/36.5) = about 12 M or so but you do it exactly. Then mL x M = mL x M mL x 12 M = 2800 mL x 0.475 Solve for mL of the concd HCl solution.
Thursday, February 21, 2013 at 8:26pm by DrBob222

Chemistry - Solubility
INFORMATION: [HCl] = 0.1388 M We placed 0.5 g Ca(OH)2 in 100 mL of the following solutions: A 25 ml aliquot was used Flask A: Distilled Water (7.4 mL of HCl needed to titrate) Flask B: 0.05 M NaOH (7.5 mL of HCl needed to titrate) Flask C: 0.025 M NaOH (10.8 mL of HCl needed ...
Monday, March 31, 2014 at 10:45pm by PleaseHelpThankYou!

Chemistry
MgCl2(aq) + 2 NaOH(aq) --> Mg(OH)2(s) + 2 NaCl(aq) How many grams of Mg(OH)2 would form if 50.00 mL of 0.9750M NaOH were combined with 50.00 mL of 0.8820 M MgCl2?
Saturday, November 26, 2011 at 9:48pm by Lauren

Chemistry
MgCl2(aq) + 2 NaOH(aq) --> Mg(OH)2(s) + 2 NaCl(aq) How many grams of Mg(OH)2 would form if 50.00 mL of 0.9750M NaOH were combined with 50.00 mL of 0.8820 M MgCl2?
Saturday, November 26, 2011 at 9:52pm by Lauren

Chemistry
1.Calculate the pH of a solution prepared by mixing 20mL of the .07222M aspirin solution with 10mL of .2M NaOH. 2. Calculate the pH for the titration of 40mL of .1M solution of C2H5NH2 with .1M HCl for a)0 mL added and b)20 mL added c)40 mL added d)50mL added. Kb= 6.4x10^-4
Saturday, November 26, 2011 at 8:14pm by Jessica

college Chemistry
A 21.18 mL of 0.250 M NaOH is titrated with a H2SO4 solution. The initial volume of H2SO4 was 13.28 and the final volume of H2SO4 was 28.29 mL when the solution turned very slightly pink. What is the concentration of NaOH?
Monday, December 6, 2010 at 4:04pm by Ivy

Chemistry Help Pls!!!
A 21.18 mL of 0.250 M NaOH is titrated with a H2SO4 solution. The initial volume of H2SO4 was 13.28 and the final volume of H2SO4 was 28.29 mL when the solution turned very slightly pink. What is the concentration of NaOH?
Monday, December 6, 2010 at 9:11pm by Jerome

college Chemistry
A 21.18 mL of 0.250 M NaOH is titrated with a H2SO4 solution. The initial volume of H2SO4 was 13.28 and the final volume of H2SO4 was 28.29 mL when the solution turned very slightly pink. What is the concentration of NaOH?
Tuesday, December 7, 2010 at 12:19am by Ivy

chemistry
a 30.0 ml solution of potassium nitrate was diluted to 125 ml and 25 ml of this solution were then diluted to 150 ml. the concentration of the final solution is 0.00307 M. Calculate the concentration of the original solution.
Thursday, July 7, 2011 at 1:33pm by Carol

chemistry
To a 100 mL volumetric flask were added 5.00 mL of 6.0 M NH3 , 14.5g of solid ammonium iodide, and 40.0 mL of 0.50 M NaOH. The flask was filled to the calibration mark with water. (a) What were the molar concentrations of hydrogen ion, hydroxide ion, and ammonium ion in the ...
Sunday, August 3, 2008 at 10:45pm by alexis

Chemistry
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 10-6) by 0.200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added. a)0.0 mL b)20.0 mL c)25.0 mL d)40.0 mL e)50.0 mL f)100.0 mL
Saturday, March 23, 2013 at 4:37pm by Jeff

chemistry
what volume (in ML) of a 0.150 M HNO3 solution is required to completely react wtih 35.7 mL of a 0.108 M Na2CO3 solution according to the following balanced chemical equation? Na2CO3(aq) + 2 HNO3(aq) --> 2NaNO3(aq) + H2O(l) then, in the reaction above, what mass (in grams) ...
Monday, June 21, 2010 at 2:53pm by samantha

Chemistry
What is the mass, in grams, of NaCl formed from the reaction of 2.75 mL of a 6.00 M Na2SO4 solution and 8.30 mL of 2.5 M solution of HCl?
Wednesday, November 23, 2011 at 9:07pm by Jane

Chemistry
What is the mass, in grams, of NaCl formed from the reaction of 2.75 mL of a 6.00 M Na2SO4 solution and 8.30 mL of 2.5 M solution of HCl?
Wednesday, November 23, 2011 at 9:07pm by Jess

chem engineering
Mass balance on an intravenous injection (IV) bag A nurse sets up an IV drip for a patient consisting of normal saline; assume that this is an aqueous solution containing 150mM salt. The saline drip is supplemented with an antibiotic solution; assume that this is an aqueous ...
Wednesday, October 28, 2009 at 10:03pm by Christina

chemistry
An aqueous solution of phosphoric acid, H3PO4, contains 285 g H3PO4 in 400 mL solution, and has a density of 1.35 g/mL. Calculate a. the weight % H3PO4 in this solution. b. the concentration in mol/L of this solution
Wednesday, November 10, 2010 at 4:12pm by princess

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
A certain classification test calls for 5 mL of 1.2 M NaOH. The only concentration of NaOH solution available is 3.0 M. Describe how you would make the quantity that you need of the 1.2 M NaOH solution.
Tuesday, November 8, 2011 at 10:36am by Wanda

Chemistry
What is the concentration of a HCl solution if 20.0 mL of the solution is neutralized by 15.0 mL of a 0.10 M Ca(OH)2 solution?
Monday, December 6, 2010 at 5:27pm by Ivy

Chem
A 0.2181 g sample of KHP required 17.29 mL of sodium hydroxide solution to reach the phenolphthalein end point. Calculate the molarity(M) of the NaOH solution.
Tuesday, October 9, 2012 at 3:09am by Donnie

Chemistry
Usually you have mL NaOH but you also know how many mL of the acid and the molarity of the acid. With no more information than mL NaOH, no, it can't be done.
Wednesday, May 12, 2010 at 11:48pm by DrBob222

Chemistry
In a titration of 26.0 mL of 0.840 M H2SO4, __________ mL of a 0.200 M KOH solution is required for neutralization. Express your answer to the nearest 1/10 mL. Hint: remember H2SO4 is a diprotic acid
Wednesday, March 10, 2010 at 3:12pm by Camarra

Chemistry
Amino acid solution was made by taking 3.58 g of the dry amino acid and making it up to 1.00L in water. A 25.0 mL sample was taken and titrated with NaOH of concentration of 0.0493M, with the first equivalence point at 18.15 mL and the second equivalence point at 32.05 mL. ...
Sunday, May 20, 2012 at 4:06pm by k

Chemistry
Hi Dr. Bob, this is a chemistry question. I don't know how to go about solving this problem: What is the pH of the solution created by combining 11.40 mL of the 0.10 M NaOH(aq)with 8.00 mL of the 0.10 M HC2H3O2(aq)? Here's what I have so far: (0.10M NaOH)(0.0114L)= 0.00114 mol...
Wednesday, October 28, 2009 at 8:53pm by Yo

Science
10.0 g of KCl and 18.5 g of CaCl2 were dissolved in 500 mL of water. How many mL of 1.57 M AgNO3 solution would be required to precipitate all Cl- from the solution?
Friday, October 19, 2012 at 2:31pm by Jared

Chemistry
#1 has no volume. #2. millimols HF = 354 mL x 0.18 = about 64 mmols F^- = 354 mL x 0.51 = about 180 added NaOH = 35 mL x 0.15 = about 5 .........HF + OH^- ==> F^- + H2O I........64....0.......180 add............5.............. C.......-5....-5.........+5 E.......59.....0...
Friday, December 13, 2013 at 1:39am by DrBob222

chemistry
Mix together 5.0 mL of solution #1 – 1.0 M HA with 35 mL of solution #2 – 1.0 M NaA in a small Erlenmeyer flask. What are the concentrations of HA and A– in solution #7?
Tuesday, August 17, 2010 at 1:15pm by kris

Analytical Chemistry
What is the cell voltage when the following volumes of 0.680 M NaBr have been added? (b) 1.0 mL (c) 13.2 mL (d) 24.7 mL (e) 25.6 mL (f) 26.0 mL (g) 38.9 mL (h) 51.4 mL (i) 52.0 mL
Thursday, April 11, 2013 at 5:51am by Micki

chemistry
If 40 mL of a 6 {\rm M} \;{\rm NaOH} solution is diluted to a final volume of 200 mL, what is the resulting concentration of the solution?
Monday, December 6, 2010 at 5:17pm by warla

chemistry
Determine the Molarity of a 125 mL NaOH solution if upon titration with 5.5 mL of an 2.5 M HCl solution, the end point of the titration was reached
Wednesday, June 15, 2011 at 2:07pm by liz

chemistry
1). Adding NaOH to the buret after rinsing the buret with distilled water (essentially saying that you don't rinse the buret with NaOH)means that the NaOH is more dilute so it will take more NaOH from the buret to reach the equivalence point. So more mL means mL x M = a ...
Thursday, October 1, 2009 at 7:48pm by DrBob222

Chemistry
I have a 40 ml solution of pH 4.36. I need to make this solution at pH 8.5 by adding extra 10 ml of HCl and NaOH. Thanks
Monday, August 6, 2012 at 7:49am by AAA

chem
mix 35.50 mL of a 0.201 M solution of K2CrO4 with 35.50 mL of a 0.201 M solution of AgNO3, what mass of solid will form?
Tuesday, November 29, 2011 at 4:33pm by darren

chemistry
What is the molarity of an HCl solution if 38.5 mL of it is titrated to the equivalence point with 41.6 mL of a 1.41 M NaOH solution?
Sunday, January 13, 2013 at 9:38pm by Megan

Clinical Calculations
What weight of NaOH would be required to prepare 3000 ml of a 2.5M solution?
Sunday, November 8, 2009 at 8:22pm by Tamaka

Chemistry lab
What mass of NaOH is required to prepare 500.0 mL of 0.1029 M stock solution?
Tuesday, October 9, 2012 at 10:43am by Donnie

Chemistry
What mass of NaOH is required to create 500 mL of a .4 M solution of Sodium Hydroxide(aq)?
Thursday, February 13, 2014 at 8:30pm by Scott

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