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April 24, 2014

Search: 10% solution

Number of results: 16,593

Chemistry
To what volume should you dilute 50.0 mL of a 4.50 M KI solution so that 28.5 mL of the diluted solution contains 2.75 g of KI?
Friday, January 21, 2011 at 10:41am by Heidi

chemistry
What volume of 25% solution is needed to make 500mL of a 10% diluted solution?
Tuesday, February 15, 2011 at 4:32pm by Gabby

Chemistry
The Molarity of a solution that contains 50.0g BaF2 in 700.0ml solution is: A. 0.41 B. 0.29 C. 2.5
Saturday, March 5, 2011 at 5:01pm by Eric

Chemistry
What is the concentration of OH- in a solution that contains 0.225g of NaOH in 0.250L of solution?
Saturday, April 2, 2011 at 12:34pm by allison

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
Explain how t make 1.5L of a 2.25M solution of H2SO4 from 6.0M stock solution.
Monday, April 11, 2011 at 3:22pm by Kayla

Chemistry
how many grams of a solution are present if the solution contains 12.5g of KCL and is 43% by mass?
Wednesday, April 13, 2011 at 11:58am by Ryan hawkins

Chemistry
A solution has a volume of 2L and contains 36g of glucose, what is the molaritiy of the solution?
Tuesday, April 19, 2011 at 1:11pm by Bobbi

chem 100
What is the [H3O^+] in a solution that contains 1.44 g HNO3 in 0.520 L of solution?
Tuesday, May 10, 2011 at 1:21am by yesi

science
when a reaction in solution produces energy, what happens to the temperature of the solution?
Thursday, June 9, 2011 at 7:34pm by harold

science
cslculate the molarity of a solution of 10.0g MgCl2 in a 300.0ml of solution
Tuesday, June 21, 2011 at 11:06am by marcus

chemistry
the molarity of a solution containing 40 grams of NaOH in 100 ml of solution is
Wednesday, July 13, 2011 at 1:17pm by willie

Math 116a
solve by elimination 5r-6s=18 6r-5s=46 The solution is There are infinitely many solutions there is no solution
Monday, September 26, 2011 at 5:46pm by Katie

chemistry
Calculate the morality of the solution 0.450 mol of Na2S in 1.75 L of solution
Monday, November 7, 2011 at 8:34pm by Betty

chemistry
A solution contains 33.3 g H3PO4 in 448 mL of solution. Calculate its molarity.
Wednesday, November 16, 2011 at 10:56pm by Anonymous

chemestry
what is the molarity of a solution made by dissolving 3.86 moles of NaCl in 2.50 L of solution?
Tuesday, November 22, 2011 at 5:08pm by Anonymous

chemistry
What volume of a 7.00 M solution of Ca(OH)2 is needed to neutralize 37.2 mL of a 3 M solution of nitric acid? 1. 15.9 mL 2. 37.2 mL 3. 7.97 mL 4. 24.2 mL
Tuesday, November 29, 2011 at 3:13am by katie

chemistry
What is the molarity of an aqueous solution containing 43.7 g of glucose (C6H12O6) in 1.1 L of solution?
Thursday, February 9, 2012 at 8:27pm by jessica

chemistry
If you have 2 moles of glucose in 8 liters of solution, what is the molarfity of this solution?
Sunday, March 11, 2012 at 9:31am by idk

chemistry
what is the molarity of a solution if 255g AgNO3 is dissolved in 1500 mL of solution
Tuesday, April 3, 2012 at 11:55am by ron

chemistry
What is the molarity of a solution if 255g NaNO3 is dissolved in 1500 mL of solution
Tuesday, April 3, 2012 at 11:37pm by paige

Chemistry
A saturated aqueous solution of calcium hydroxide has a pH of 12.25. What is the [Ca 2+] of such a solution?
Saturday, April 14, 2012 at 9:41pm by Andy

aglebra 2
determine whether the equation has one solution, no solution, or is an identity. 5y+3=26
Thursday, September 6, 2012 at 8:46pm by jess

Science
A solution has a density of 3/mL. How many grams are needed to obtain 10.0mL of solution?
Monday, September 24, 2012 at 8:47pm by Sammi

chemistry
Calculate the normality of a 15% H2SO4 (MW=98g/n) solution. The density of the solution is 1.21 g/mL
Thursday, November 22, 2012 at 8:22am by jhanica

AP Chemistry
The pH of a solution of Sr(OH)2 is 12.42. What is its pOH? What is its [H3O^+]? What is its (OH^-)? What is its [Sr(OH02]? Is the solution acidic or basic?
Wednesday, January 9, 2013 at 10:11pm by Lizzy

chemistry
To what volume should you dilute 50.5 of a 4.60 solution so that 30.0 of the diluted solution contains 3.30 of
Saturday, January 12, 2013 at 12:14pm by Nicole

chemistry
To what volume should you dilute 50.5 of a 4.60 solution so that 30.0 of the diluted solution contains 3.30 of KI?
Saturday, January 12, 2013 at 12:15pm by Tata

clinical chemistry
how many militers of a 2.0M solution is required to prepare 50ml 0f a 0.3M solution
Monday, January 21, 2013 at 1:03am by Anonymous

chemistry
Tell how to make a 1 M solution of Mg3(PO4)2 and a 0.1 M solution of CaSO4.
Friday, January 25, 2013 at 3:02pm by Shannon

math
Identify the solution(s) of the system of equations, if any. -3x -4y = 2 8y = -6x 4 a) infinitely many solutions b) (-16/9, 5/6) c) (-2/3, 0) d) no solution
Sunday, January 27, 2013 at 4:37pm by monet

Chemistry
A solution has a mass of 95.00g and a density of 2.147 g/mL. What is the volume of the solution?
Thursday, March 14, 2013 at 12:06pm by Alice

Chemistry
What is the molarity of an aqueous solution containing 27.3 g of glucose (C6H12O6) in 1.7 L of solution?
Thursday, April 4, 2013 at 3:30pm by Shawn

Chemistry
What is the normality of a solution which contains 4.03-g of sodium carbonate in 300.-mL of solution?
Wednesday, May 22, 2013 at 6:06pm by Megan

Chemistry- Please Help!!
If a 0.10 M solution of an acid has a pH of 4.5, what would be the predicted pH of a .10 M solution of the conjugate, and why?
Wednesday, July 31, 2013 at 1:14pm by Kelly

Chem
What volume of 2.50 x 10-4 M CV+ solution should be diluted to 10.0 mL to prepare a 7.50 x 10-5 M CV+ solution Answer 1.00 mL 3.00 mL 5.00 mL 7.50 mL 33.3 mL
Tuesday, September 3, 2013 at 1:08am by Kristen

Chemistry
At 25 C, the density of a 40.0% (m/m) solution of sucrose, C12H22O11, in water is 1.18 g/mL. What is the molarity of this solution?
Sunday, February 16, 2014 at 1:12am by Michael

science
What is then volume in mL of then solution 3.04g of sodium chloride from a 0.110 M solution?
Sunday, September 29, 2013 at 11:40pm by samantha

chemistry
How would you prepare 2.25L of a 3.00M solution from a 15.0M stock solution?
Friday, October 18, 2013 at 4:01pm by mona

math
Identify the solution(s) of the system of equations, if any. -4x - 4y = 4 4y = -4x - 4 A) no solution B) (0, -1) C) (-1, 0) D) infinitely many solutions
Sunday, October 20, 2013 at 9:26pm by sam

Math 6
Identify the solution(s) of the system of equations, if any. -3x-4y=2 8y=-6x-4 A) infinitely many solutions B) (-16/9, 5/6) C) (-2/3, 0) D) no solution
Sunday, October 20, 2013 at 9:36pm by sam

Chemistry
A solution is 3.00M NaCl. The solution density is 1.05 g/mL. Calculate the molality?
Tuesday, February 4, 2014 at 6:12pm by Camilo

chemistry help~~~~ Please!!!
how should the ph of a 0.1 m solution of nac2h3o2 compared with that of a 0.1 m solution of kc2h3o2?
Thursday, April 10, 2014 at 6:16pm by Ali

Chemistry 101
A student needs to run an experiment to determine the amount of substance in the solution. As more of the substance is dissolved, the more red the solution becomes. He is planning on using an absorption spectrometer to measure how much of a wavelength would be absorbed when ...
Monday, June 1, 2009 at 5:37pm by Gweedo8

Honors Chemistry 101
Do my answers look correct for these? Thanks Calculate the mass percent of a solution containing 45.6 grams ethanol (C2H6O) in 245 grams of water. 15.7% You are asked to make 500.0 mL of a 4.5M solution of HCl, but the only HCl you have available to dilute is 18.0M. Describe ...
Monday, December 7, 2009 at 1:46am by Matt

Chemistry
Calculate the pH of the following buffer solutions: a) a solution made by dissolving 2.733g KH2PO4 and 4.508g K2HPO4 in water to give 250 ml of solution. b)a solution made by mixing 35.00 ml 0.24 M C6H5NH2 with 15.00 ml 0.19 M C6H5NH3CL. The base dissociation constant Kb is 4....
Wednesday, February 8, 2012 at 6:17pm by Karie

Chemistry
Glutamic acid is triprotic amino acid with pKa values of 2.23, 4.42, and 9.95. You are given a 0.100 M solution of it in its fully protonated form (H3A). How many moles of KOH must be added to 100 mL of this solution to make a solution with a pH of 5.00. I used 2.23 as the pka...
Saturday, March 2, 2013 at 3:02pm by Angelyka

biology (Help please!!!)
1. If a student pours a solution of salt water on an elodea leaf, what is it an example of? 2.A child pours salt crystals on the body of a slug he finds in the backyard. Options are: high concentration, low concentration, osmosis, diffusion, hypertonic solution, and hypotonic ...
Sunday, October 20, 2013 at 11:54pm by Samantha

Chem II
Find the a) % solution, b) molality and c) mole fraction of the acid 16.0 M H2SO4 d = 1.634 g/ml for the solution
Tuesday, February 5, 2008 at 6:44pm by Ken

Chemistry
What is the molarity of a solution containing 20 grams of NaOH in 500 milliliters of solution? a-0.04M b-0.5M c-1M d-2M
Wednesday, March 5, 2008 at 9:14pm by John

Chemistry
What is the molarity of a solution containing 20 grams of NaOH in 500 milliliters of solution? a-0.04M b-0.5M c-1M d-2M
Wednesday, March 5, 2008 at 9:35pm by Jena

chemistry
if 24.25 mL of a standard M NaOH solution is required to neutralize 26.00 mL of H2SO4, what is the molarity of the acid solution?
Monday, November 3, 2008 at 10:20am by james

math
solve by the substitution method 3x + 6y = 27 -2x + y = 12 what is the solution of the system..(type an ordered pair, or N if there is no solution)
Friday, November 7, 2008 at 11:11pm by mikey123

Chemistry
The density of a 22.0% by mass ethylene glycol (C2 H6 O2) solution in water is 1.03 .Find the molarity of the solution.
Wednesday, February 11, 2009 at 7:56pm by HELP PLEASEEE

AP Chem
A 0.23 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.68. Calculate the pH of a 0.23 M chlorobenzoic acid (HC7H4ClO2) solution
Sunday, February 15, 2009 at 11:54pm by Jake

Chemistry
A solution of volume 70.0mL contains 15.5mmol HCHO2 and 9.00mmol NaCHO2. What is the pH of this solution?
Tuesday, March 3, 2009 at 2:05am by Ryan

chemistry help asap
A solution of salt in water conducts electricity, but a solution of sugar does not. Explain why?
Wednesday, May 20, 2009 at 10:43pm by tom

Algebra
Please Solve: x+sqrt11−x = 5 I do not think there is a solution but here are the choices A. 2 B. 7 C. 2, 7 D. No solution
Sunday, August 2, 2009 at 6:25pm by Rachale

Chemistry
Why would NAOH solution need to be added when preparing the K2CrO4 stock solution?
Monday, September 14, 2009 at 7:19pm by Rose

Chemistry
If 7.83 g FeCl3(s) is dissolved in enough water to make 2.50 L of solution, what is the concentration of Fe3+ in the solution?
Friday, October 9, 2009 at 4:33pm by Kevin

chemistry
1.)An aqueous solution is 34.0% H3PO4 by mass and has a density of 1.207 g/mL. What is the molarity of the solution? AND what is the molality?
Tuesday, February 16, 2010 at 11:48pm by anonymous

Honors Chemistry
Will a base + H2O ALWAYS from a basic solution? (not a neutral or acidic solution)
Wednesday, February 24, 2010 at 7:48pm by Thea

chemistry
How many milliliters of .50 M NaOH solution are required to titrate 40.0 mL of a 0.10 M H2SO4 solution to an end joint?
Saturday, March 6, 2010 at 4:43pm by lacey

chemistry
What is the osmotic pressure of a solution containing 25.7 g of sugar (C12H22O11) in one liter of solution at 20C?
Friday, April 16, 2010 at 2:06pm by Chae

Chemistry
What is the concentration, in percent (v/v) of a solution containing 50mL of diethyl ether (C4 H10 O) in a 2.5L of solution?
Monday, April 26, 2010 at 11:05pm by Kim

Algebra 1a
Solve by the substitution method. 5x + 8y=0 x=2 2y Type ordered pair if there is a solution, or indicate no solution
Wednesday, May 26, 2010 at 8:29pm by Michelle F

chemistry
when 0.50 L of a 1.0 M solution of Pb (No3)2 is mixed with 0.50 L of a 1.0 M solution of KI, how many moles of lead (III) iodide are formed?
Thursday, May 27, 2010 at 3:05pm by strid

chemistry
How many grams of NaOH should be dissolved in 1 litre of solution to prepare a solution with pH value12
Wednesday, June 2, 2010 at 2:57am by sanya

Chemistry
True or False? A solution made from NaCl and HCl will act as a buffer solution.
Wednesday, June 2, 2010 at 5:38pm by Heather

chemistry
A solution was prepared by dissolving 43.0 of in 225 of water. Calculate the mass percent of in the solution.
Friday, October 1, 2010 at 11:25pm by help

chemistry
How much of a 0.25 M NaOH solution is needed to neutralize 100 mL of a 0.15 M HCl solution? The units are mL
Sunday, October 3, 2010 at 11:53pm by jazmin

ap chemistry
a potassium hydroxide solution is titrated with a solution of perchloric acid. what is the balanced equation?
Friday, December 31, 2010 at 7:00pm by erin

chemistry- thank you
How much of a 0.23 M NaOH solution is needed to neutralize 27 mL of a 0.85 M sulfuric acid solution? The units are mL
Sunday, October 31, 2010 at 9:49pm by Jazmin

MAT117
SOLVE ^Y+6-1=4 A) The solution to Y=_ OR B)Solution is not a real number Can't figure this one out... This is what I came up w/ Y=^5
Monday, November 1, 2010 at 3:29am by Brandon

MAT117
SOLVE ^Y+6-1=4 A) The solution to Y=_ OR B)Solution is not a real number Can't figure this one out... This is what I came up w/ Y=^5
Monday, November 1, 2010 at 3:36am by Brandon

Chemistry
3.13g if CuNO3 is dissolved in water to make a 0.270 M solution. What is the volume of the solution?
Monday, November 22, 2010 at 6:51pm by Jason

chemistry
A 0.20 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.65. Calculate the pH of a 0.19 M chlorobenzoic acid (HC7H4ClO2) solution.
Sunday, November 28, 2010 at 9:47pm by justin

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
A solution of acetic acid, CH3COOH, has a concentration of 0.201 M and a density of 1.00 g mL-1. What is the molality of this solution?
Tuesday, December 7, 2010 at 12:07pm by austin

chemistry
calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution
Tuesday, December 14, 2010 at 2:15am by fabian

chemistry
calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution?
Tuesday, December 14, 2010 at 2:15am by fabian

Chemistry
Normal saline solution is 0.91%w/v. Calculate the concentration of this solution in milligrams per litre (mg/L)
Tuesday, December 14, 2010 at 7:51pm by Korina

mcckc.edu
A 0.10MNaCl solution is blank (iso/hypo/hypertonic) to a 0.10M glucose solution
Saturday, January 29, 2011 at 11:25pm by paulina

College Chemistry
A solution of sulfuric acid is 40.0% by mass and it has a density of 1.30g/mL, what is the molarity of the solution?
Thursday, February 3, 2011 at 7:46pm by Anonymous

CHEMISTRY
calculate the ph of resulting solution when 2.50 ml of the 2.60 M acetic acid is diluted to make a 250.0 ml solution
Sunday, February 13, 2011 at 10:14pm by TYLER CHIRECE

CHEMISTRY
calculate the ph of resulting solution when 2.50 ml of the 2.60 M acetic acid is diluted to make a 250.0 ml solution
Sunday, February 13, 2011 at 10:15pm by TYLER CHIRECE

chemistry
what volume of water must be added to dilute 5.0 L of .50 M HCl solution into a .10 M solution?
Tuesday, February 15, 2011 at 1:29am by kara

Chemistry help!!!
Calculate [H3o+] in each aqueous solution at 25*C, and classify each solution as acidic or basic. a. [OH-]= 1.1 x 10^-9M b. [OH-]= 2.9 x 10^-2M c. [OH-]= 6.9 x 10^-12M
Monday, March 14, 2011 at 4:38pm by sally

chemistry
what final volume in liters of a 2.5 m solution of sodium nitrate can be made using 25.0g of solution
Tuesday, March 15, 2011 at 4:24pm by andrew b

chemistry
In order to dilute 1L of 6M solution of NaOH to .5M solution, how much water must be added?
Thursday, March 17, 2011 at 4:05pm by chris

Chemistry
Describe how to prepare an aqueous 100 mL stock solution of 2 M sodium chloride solution.
Tuesday, March 22, 2011 at 4:04pm by Brittany

chemistry
If you have 200.0 mL of a 30.0% aqueous solution of isopropyl alcohol, what volume of water is in the solution?
Sunday, March 27, 2011 at 8:30pm by leilah

Chemistry
Can you show me the calculation? How many ml of a 2 M solution of HCL would be needed to neutralize 2 ml of a 5 M solution of KOH?
Wednesday, April 27, 2011 at 10:40pm by Tia

dav
determine the concentrated of mohrs salt solution with the help of supplied n/10 kmno4 solution preparred?
Wednesday, May 4, 2011 at 5:39am by rohit

Chemistry
A solution of sulfuric acid is 50.0% H2SO4 by mass and has a density of 1.15 g/mL. Calculate the molarity of the solution.
Thursday, May 5, 2011 at 5:08pm by Kamila

chem 100
What is the pH of a solution prepared by dissolving 7.5 g HCl in water to make 415 mL of solution?
Tuesday, May 10, 2011 at 1:05am by yesi

Chemisrty
Calculate the amount of solute needed to make the solution .50kg of a 18% (m/m) KOH solution
Wednesday, May 18, 2011 at 3:07pm by Monster

Chemistry
If 3.5 mL of distilled water is added to 1.5 mL of 0.280 M CoCl2 solution, what is the concentration of the resulting solution
Thursday, June 23, 2011 at 10:40am by Tashawna

chemistry 101
What is the pH of a solution in which 296 mL of HCl g, measured at 28.0 C and 1.02 atm, is dissolved in 1.5 L of aqueous solution?
Wednesday, August 10, 2011 at 9:47pm by Angel

chemistry
B-Mercaptoethanol is available as a 98% (w/w) solution, sp gr 1.114. What voulume is needed to prepare 0.100 L of a 50.0 mM solution. fw=78.13
Sunday, August 28, 2011 at 9:38am by Jessica

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