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July 29, 2016

Search: An unknown amount of water is mixed with 350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 52.5 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution

Number of results: 64,834

chemistry
how do you solve this What is the pH of the solution created by combining 2.60 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH 2.60 pH wHCl: _ pH wHC2H3O2 : _ Complete the table below: What are the pH values if you ...
July 12, 2010 by Jin

Chemistry
How many grams of glycerin C3H8O3 must be dissolved in 375.9g of water at 100 degrees Celsius to reduce the pressure of water above the solution to 714.6mmHg. The solution is a non-volatile compound
April 23, 2011 by Jude

Chemistry
A 38.5 mL sample of HBr is titrated with 112 mL of 1.05 mol/L KOH. The density of the HBr solution is 1.75 g/mL. Calculate the percentage by mass of the HBr in the sample. How come we don't use density*volume to find the moles of HBr?
December 2, 2015 by Sam

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 ...
December 7, 2011 by Lindsay

chemistry
calculate the molarity of each of the following solutions. Help!! (a) 0.36 mol of LiNO3 L of solution (b) 70.7 g C2H6O in 2.25 L of solution (c) 11.56 mg KI in 114.2 mL of solution
November 20, 2010 by Stacy

Chemistry
John has 300 mL of 0.65 M NaCl solution. Mary has 500 mL of 0.35 M solution. What is the concentration of the solution if they pour them together
November 21, 2010 by Tracy

Algebra 1 Honors
2x+4=5(x+1) -2(x+2) Would this be identity (all numbers are the solution), No solution (no real number solution), or can it be solved?
October 9, 2011 by Stefanie

chem
Calculate the pH of each and determine whether each of the following solutions is acidec or basic. a) [H^+]=1.0 e-11M solution b) [OH^-]=1.5 e-3M solution c) [H^+]=5.2 e -5M solution
November 29, 2012 by Bea Alonzo

chem
A solution is prepared by dissolving 15.0 g of pure HC2H3O2 and 15.0 g of NaC2H3O2 in 600 mL of solution (the final volume). What is the pH of the solution?
February 22, 2015 by Jen

Chemistry
If you mix 20.0mL of a 3.0M solution with 30mL of a 5.00M solution, determine the concentration in molarity of the new solution.
April 16, 2015 by Chris

Chemistry
Consider a 500mL solution containing 2.010^-5 mol HCl what is the pH of the above solution? If the solution is diluted to 1.5 L what will be the new pH?
May 29, 2016 by Mayra

math
solve the system. Give the x-value of the solution. 3x-5y=16 and -9x+15=48 answer key: 7 0 no solution infinite number solution
July 9, 2016 by Fe

chemistry
100 mL of 0.05 M NH3 solution are added to 60 mL of a 0.1 M solution of the same compound.Determine the concentration of the final solution.
July 10, 2016 by Anonymous

Chemistry
If vinegar sample #1 requires 29.05 mL of NaOH solution to reach an endpoint, what volume should be required for samples #2 and #3?
November 2, 2014 by Gladys

chemistry
1 In the reaction of potassium permanganate and iron salt in acidic medium, how many moles of manganese reacted with iron? 2 moles of Mn with 1 mole of Fe 1 mole of Mn with 5 moles of Fe 1 mole of Mn reacts with 1 mole of Fe 5 moles of Mn reacts with 1 mole 2 Which of the ...
August 24, 2015 by mikel

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 ...
January 26, 2014 by Drenju

holy school
H2 S + HNO3 --------> NO + H2 O + S 150 g of hydrogen sulfide are dissolved in 3500 mL of water. a. What is the molarity of the hydrogen sulfide solution? b. How many grams of sulfur can be produced from 50 mL of this solution? c. 22.4 L of nitrogen monoxide gas are ...
March 3, 2013 by mamta

chemistry
You have a solution that contains 0.25g grams of oxalic acid dissolved in 100 mL of water. This solution is placed in a separating funnel, and the 100 mL of butanol is added to the solution. calculate the mass of oxalic acid in the organic solvent
June 16, 2016 by Grace

Chemistry
I have a 7 mL solution with 3 mL of H2O added to the solution. How would I figure out the molarity of the solution?
March 31, 2008 by TAG

chemistry
a saturated solution of milk of magnesia, Mg(OH)2, has a pH of 10.5. What is the hydronium concentration of the solution? is the solution acidic or basic?
July 14, 2009 by angela

algebra 2
How much of an 18% solution of sulfuric acid should be added to 360 ml of a 10% solution to obtain a 15% solution?
June 22, 2010 by Derron

chemistry
A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.84 M solution of NH3. Calculate the pH of the final solution
August 10, 2010 by chris

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?
August 17, 2010 by kris

Chemistry
How many grams of I2 are present in a solution if 38.55ml of 0.160M Na2S2O3 solution is needed to titrate I2 the solution?
November 19, 2012 by Michi

chemistry
1.64 L of a 4.95 M solution is diluted to form a 2.58 M solution. (Rounded to 3 sig figs) there are __________ L of the 2.58 M solution formed.
February 5, 2014 by Pooja

Chemistry
How many grams of I2 are present in a solution if 39.85mL of 0.160M Na2S2O3 solution is needed to titrate the I2 Solution
March 14, 2014 by Jackie

chemistry
how we prepare a 4M solution of NaCl in 100ml and after this we dillute this 4ml solution to make3.8M solution.
July 14, 2015 by nisha

Chemistry
A buffer is made by mixing 100 mL of 0.25 M acetic acid (CH3COOH) and 150 mL of 0.10 M sodium acetate (CH3COONa). Calculate the pH of the solution after 0.5g of solid NaOH is added to the solution (Given Ka (CH3COOH) =1.8 x 10-5)
August 19, 2015 by Jaden

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?
May 22, 2010 by Heather

chemistry
A solution of salt in water conducts electricity, but a solution of sugar does not Explain why
May 28, 2009 by john

chemistry
8.00 of are dissolved in water to make 4.00 of solution. What is the concentration of hydronium ions, , in this solution?
November 2, 2009 by katy

chemistry
8.00 g of are dissolved in water to make 3.00 l of solution. What is the concentration of hydronium ions, , in this solution?
November 15, 2009 by leo

chemistry
How much water must be added if you want to make 1L of solution that is 6M, into a 3M solution
April 29, 2010 by sarah

chemistry
What is the pH of a solution prepared by dissolving 7.5g HCl in water to make 375mL of solution?
February 27, 2011 by Brittany

chemistry
a certain solution contains 0.35 mol of HCl in 1200 mL of water. What is the pH of the solution?
March 7, 2011 by leah

chem
density of 20% by mass C2H6O2 solution in water is 1.03 g/mL. find the molarity of the solution.
July 21, 2011 by lily

Chemistry
9. A solution has 48 grams of LiOH dissovled In 100 L of water. What is its [OH-]? 10. What is the pH of the solution in question 9?
February 26, 2014 by Emma

chemistry
8.22 g of CuNO3 is dissolved in water to make a 0.590M solution,what is the volume of the solution
March 17, 2014 by Nicholas

Chemistry
if you dissolve 25.5 g of KBr in enough water to make 1.75 L of solution, what is the molarity of the solution
May 13, 2014 by Lori

chemistry
If 8.16 g of CuNO3 is dissolved in water to make a 0.500 M solution, what is the volume of the solution?
November 9, 2014 by Dustin

chemistry
If 7.63 g of CuNO3 is dissolved in water to make a 0.180 M solution, what is the volume of the solution?
February 7, 2015 by Felicia Fancybottom

chemistry
If 5.29 g of CuNO3 is dissolved in water to make a 0.370 M solution, what is the volume of the solution?
November 18, 2015 by Rasschael

chemistry 11
if a solution is contanimated with a chemical that causes a larger amount of solid, opaque particles floating in the solution, would the absorbance read too high or too low, and why?
November 3, 2012 by Anna

Chemistry
I am very confused on this problem. Any help would be great: 50 g of silver nitrate is mixed with 50 g of hydrochloric acid in a water-based solution. A white precipitate forms (silver chloride.) The solution is filtered and the white precipitate collected and dried. The dried...
June 23, 2009 by Ted

pcc
A volume of 40.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 21.7mL of 1.50 M H2SO4 was needed? The equation is 2KOH(aq)+H2SO4(aq)→K2SO4(aq)+2H2O(l)
July 15, 2013 by jose

Chemistry
A volume of 80.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 21.7mL of 1.50 M H2SO4 was needed? The equation is 2KOH(aq)+H2SO4(aq)→K2SO4(aq)+2H2O(l)
February 24, 2014 by carley

chemistry
340. mL of hydrochloric acid (HCl) acid is exactly neutralized with 500. mL 0.700 M NaOH solution. What is the concentration of the acid solution?
June 1, 2014 by Anonymous

algebra 2
can somebody tell me how I am to solve this problem? x+8)(x-19)(x+3)>0 A. The solution set is {x|___} B. The solution is all real numbers. C. There is no solution.
June 18, 2010 by Nick

chemistry
What is the molarity of a potassium hydroxide solution if 38.65 mL of the KOH solution is required to titrate 25.84 mL of 0.1982 M hydrochloric acid solution?
November 10, 2010 by Anonymous

chemistry
You have a 10 M acidic solution. However, you need that solution to be 0.25 M. How many ml of 10 M should be diluted to obtain 300 ml of 0.25 M acid solution?
January 3, 2011 by markees

algebra
a lab technician has a 15% alcohol solution. She wants to make 100 gallons of a 29% solution. How much of the 15% solution should she use?
February 15, 2012 by matt

chemistry
Copper container can be used to store (A) Al2(SO4)3 solution (B) ZnSO4 solution (C) FeSO4 solution (D) All of these
March 21, 2013 by PARUSH

chemistry
how many millimeters of a 5.15 M CH3OH stock solution are needed to prepare 375 mL of a solution having 7.50 mg of methanol per mL of solution
September 29, 2013 by Anonymous

chem
if 14.66ml of a standard .2616M KOH solution reacts with 57.5ml of CH3COOH solution, what is the molarity of the acid solution?
September 9, 2014 by sara

chemistry
What is the molarity of the following solutions? A. 0.96 g MgCl2 in 500 mL solution B. 9.33 g Na2S in 450 mL solution C. 2.48 g CaF2 in 375 mL solution
April 7, 2016 by justin

chemistry
Calculate the mass of salts needed for constructing a buffer using potassium monobasic phosphate and potassium dibasic phosphate with the total concentration of 100 mM. The solution is to be prepared in DI water and the pKa value for potassium monobasic phosphate is 7.21 and ...
November 14, 2010 by dave

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?
February 16, 2014 by Michael

chemistry
f 8.77 g of KI are dissolved in enough water to make 4.75 L of solution, what is the molarity of the solution?
August 10, 2014 by molly

chemistry
At 25 C, the density of a 60.0% (m/m) solution of sucrose, C12H22O11, in water is 1.29 g/mL. What is the molarity of this solution?
March 11, 2016 by Anonymous

Quick math help
Can someone check my answers on these? Thank you!! Solve each system using addition or subtraction. 1. x+y=8 x-y=4 For the solution I got (6,3) 2. x-3y=7 x+2y=2 For the solution I got (4,-1) 3. 5s+2t=6 9s+2t=22 For the solution I got (-4,13) 4. 2x+3y=13 x-3y=2 For the solution...
January 22, 2014 by Anonymous

Biology
In class, I did an experiment with water and iodine solution in a beaker and also starch in a dialysis tube tied and placed in the beaker. There were discussion questions I couldn't answer surely... please check my answers. 1. a)Use your results to determine the direction of ...
April 3, 2012 by CrissyXD

Chemistry (Titrations)
In order to standardize a KMnO4 solution, 0.2848 g Fe(NH4)2(SO4)26H2O was dissolved in 25 mL 0.18 M H2SO4. The KMnO4 solution was added to the Fe(NH4)2(SO4)26H2O solution until a pale pink color persisted. The titration took 24.2 mL of KMnO4 solution. What is the ...
November 30, 2014 by Bill

science, chemistry
OBJECTIVE: to find out which of two indicators, methyl orange or phenolphthalein, gives more reliable and consistent results in the titration of H3PO4 with NaOH. REQUIREMENT: (1). Phosphoric acid solution of unknown concentration. (2). Standard NaOH solution. (3). Methyl ...
November 5, 2014 by elijah

Chemistry
a 40.0 ml sample of ca(oh)2 was titrated with 0.0704 m hcl. the volume of hcl needed to reach equivalence point was 18.2 ml. what was the concentration of ca2+ present in the original solution?4
April 22, 2015 by Dahnrae

chemistry
what is the molarity of 20 grams of HCI mixed with water to make 1 liter of solution
June 7, 2010 by jhjmjj

math
a chemist has a solution that is 20 percent alcohol by volume. which of the following expressions represents the percent of alcohol by volume when m litersof the solution is mixed with h liters of pure alcohol and p liters of water? a) 20(m+h+p)% b) 20(m+h)/m+h+p) c)20?h+p d) ...
July 23, 2009 by Jason P

chemistry
What is the ion in the resulting solution? 100.0 mL of 0.015 M K2CO3 and 100.0 mL of 0.0075 M BaBr2? 25 mL of 0.57 M Ni(NO3)2 and 100.0 mL of 0.150 M NaOH
October 24, 2011 by dude

Chemistry
You need 3.0-L of 0.13 M salt solution. All you can find is 0.40 M salt solution. How much of that solution will you need in order to make your desired solution (in liters)?
February 16, 2011 by billy

Chemistry
If solution A had a pH of 8, and solution B had 1,000 times this hydrogen ion concentration what would be the pH of solution B, and would solution B be acidic or basic?
November 14, 2011 by Kristin

MATH help
Which of the ordered pairs in the form (x, y) is a solution of this equation? 5x-y/3=13 (2,-9) ,(3,-6) A. Neither is a solution. B. The first is not a solution, but the second is. C. The first is a solution, but the second is not. D. Both are solutions.
October 29, 2015 by flaca

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.
February 11, 2009 by HELP PLEASEEE

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

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?
October 9, 2009 by Kevin

chemistry
A solution was prepared by dissolving 43.0 of in 225 of water. Calculate the mass percent of in the solution.
October 1, 2010 by help

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

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

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

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

Chemistry
Codeine is added to 100ml of water until the solution concentration is 0.800M. What is the pH of this solution?
April 26, 2012 by Anonymous

Science
If you have a 500 mL of a 0.4M Nacl solution. How much water is needed to make is 0.1M solution?
May 7, 2012 by Sue

Chem Scc
5.82 g of CuNO3 is dissolved in water to make a 0.240 M solution. What is the volume of the solution?
July 9, 2012 by Anonymous

chemistry
What is the pH of a solution prepared by dissolving 1.533 g HCl in water to make 420 mL of solution
December 17, 2012 by Nancy

Chemistry
1. I have 2% NaCl solution. From this I want to prepare a solution to contain 0.1 g of the sodium compound in 2 mL of water. Thanks
January 18, 2013 by Steve

chemistry
150 mL of water is added to 50 mL of the solution produced in question 3. Calculate the new pH of the solution.
October 17, 2013 by Anonymous

chemistry
5.85gm of NaCl is dissolved in water and the solution is made up to 0.5 litre. what is the molarity of solution ????
July 22, 2015 by Anonymous

chemistry
A flask containing 5.00mL of 3 M HCl solution requires 14.45mL of 1.00 M NaOH for titration. How many moles of HCl are present in the solution? The density of 3 M HCl is 1.05g/mL
June 12, 2010 by John

chemistry
A flask containing 5.00mL of 3 M HCl solution requires 14.45mL of 1.00 M NaOH for titration. How many moles of HCl are present in the solution? The density of 3 M HCl is 1.05g/mL
June 13, 2010 by John

chemistry
1 In the reaction of potassium permanganate and iron salt in acidic medium, how many moles of manganese reacted with iron? 2 moles of Mn with 1 mole of Fe 1 mole of Mn with 5 moles of Fe 1 mole of Mn reacts with 1 mole of Fe 5 moles of Mn reacts with 1 mole 2 Which of the ...
September 16, 2015 by onyi

Chemistry
Consider the dissolution of CaCl2. CaCl2(s) Ca2+(aq) + 2 Cl-(aq) H = -81.5 kJ A 12.4 g sample of CaCl2 is dissolved in 100. g of water, with both substances at 25.0C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the ...
November 13, 2011 by Bill

Chemistry
Consider the dissolution of CaCl2. CaCl2(s) Ca2+(aq) + 2 Cl-(aq) H = -81.5 kJ A 10.4-g sample of CaCl2 is dissolved in 102 g of water, with both substances at 25.0C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the ...
April 18, 2013 by Mike

Chemistry
An aqueous solution is 8.50% ammonium chloride, NH4Cl, by mass. The density of the solution is 1.024g/mL. Calculate the molality, mole fraction, and molarity of NH4Cl in the solution. I know the formulas needed but I'm not sure where to start. M = moles solute/1 L solution m...
January 24, 2012 by S

AP CHEMISTRY
A solution is prepared in which a trace or small amount of Fe2+ is added to a much larger amount of solution in which the [OH-] is 1.0 x 10^-2 M. Some Fe(OH)2 precipitates. The value of Ksp for Fe(OH)2 = 8.0 x10^-10. (A) Assuming that the hydroxide is 1.0 x 10^-2 M, calculate ...
April 11, 2012 by DAN

College Chemistry
please help! You are given an unknown, colorless, solution that may contain only one salt from the following set: NaA, NaB, NaC. In solution each salt dissociates completely into the Na+ ion and the anion A-, B-, or C-, whose properties are A is green, B is yellow, and C is ...
November 10, 2010 by Marcus

Chemistry
Assignment  Calculate the pH, pOH, [H+], and [OH] for each of the following solutions. Show all work. (10 Points) Solution Composition of Starting Materials 1 0.10 M acetic acid 2. 5 mL 0.10 M acetic acid + 5 mL wa 3 1 mL 0.10 M acetic acid + 99 mL water 4 5 mL...
October 11, 2010 by Brian

chemisty
600 mL of an unknown monoprotic acid was titrated with a standard solution of a 1.0 M base. If it took 40.0 mL of the base to neutralize the acid, what was the H+ ion concentration of the acid in moles per Liter?
December 14, 2010 by ana

chemistry
An aqueous solution contains 38.6 g NaCI per 155 mL of solution. This solution is _________.
May 3, 2010 by Jim

Chemistry
To what volume must a solution of86.1g H2SO4 in494.0mL of solution be diluted to give a0.18M solution?
May 11, 2011 by Sam

chemistry
An aqueous solution is 25 % mass % NaCI. The density of the solution is 1.05g/ml. What is the molarity of the solution?
November 21, 2011 by John

AP Chemistry- Equilibrium
If 10.0 mL of 0.18 M MgCl2 are mixed with 20.1 mL of 0.56 M NaOH, what will be the final concentration of Mg2+ in solution when equilibrium is established? Assume the volumes are additive. Ksp = 1.2 ✕ 10-11 for Mg(OH)2.
February 9, 2014 by Danielle

AP Chemistry- Equilibrium
If 10.0 mL of 0.18 M MgCl2 are mixed with 20.1 mL of 0.56 M NaOH, what will be the final concentration of Mg2+ in solution when equilibrium is established? Assume the volumes are additive. Ksp = 1.2 ✕ 10-11 for Mg(OH)2.
February 9, 2014 by Danielle

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