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December 21, 2014

Search: How much concentrated hydrochloric acid solution (36.0 HCl by mass, = 1.18), in milliliters, is required to produce 13.0 of 0.234 ?

Number of results: 72,334

chemistry
I want to know if someone could let me know if I have written my balanced equations correct for the following questions. Write a balanced equation for the reaction of zinc with sulfuric acid. Zn + H2SO4 >>> Zn(S04) +H2 Write a balanced equation for the reaction of ...
April 21, 2014 by jazz

Chemistry
A 23.16 ml volume of an H2A acid solution of unknown concentration with 2 drops of phenolphthalein required 14.24 ml of 0.135 M NaOH to reach the endpoint. What is the molar concentration of the acid solution?
October 24, 2013 by Joy

Chemistry
Hey, can you help me on this question: Question: A 2.3 kg iron object is placed in an oxygenated tank of 1.00 mol/L hydrochloric acid. What volume of hydrochloric acid would react to completely consume the iron object? My question: when I seperate the H and Cl, and make the ...
July 17, 2006 by Dave

Ap Chem
how many milliliters of a 0.9 molar HCl solution are needed to react completely with 12 grams of zinc according to the following equation 2HCl+ Zn yields ZnCl2+ H2
September 10, 2012 by Chasm

Chemistry
A solution of vinegar is 4.96% by mass acetic acid in water. Assume the density of the solution is 1g/mL. What is the pH? I have calculated the molar mass of acetic acid to be 60.5
April 24, 2010 by Mike

Chem
Balance the chemical equation for the important industrial process: C2H4 + O2 + HCl → C2H4Cl2 + H2O. Given 610.0 kg of hydrochloric acid, calculate how many kg of C2H4Cl2 can be produced.
October 18, 2012 by DEN

chemistry
How would I calculate the molarity of the resulting solution if 25.0mL of 1.50 M HCL solution is diluted to 500 mL. I know you have to change the milliliters to liters by dividing by 1000 and I know that M= Moles of Solute/Liters of Solute but after that I'm lost. Please help!
July 1, 2011 by Daniel

Chemistry
A 5.00-mL sample of a sulfuric acid solution of unknown concentration is titrated with a 0.1401 M Sodium Hydroxide solution. A volume of 5.99 mL of the base was required to reach the endpoint. What is the concentration of the unknown acid solution? Write the neutralization ...
June 24, 2013 by Steptim

chemistry
What mass of hydrochloric acid (in grams) can be neutralized by 2.7 of sodium bicarbonate?
October 8, 2010 by Anonymous

Chemistry
What mass of hydrochloric acid (in grams) can be neutralized by 2.7g of sodium bicarbonate?
October 10, 2010 by Anonymous

Chemistry
Vinegar is a dilute solution of acetic acid. In the titration of 5.00 mL of vinegar, 39.75 mL of 0.137 M sodium hydroxide solution was required to neutralize the vinegar to a phenolphthalein end point. Calculate each of the following of the vinegar. (a) the molarity : I got 1....
April 3, 2011 by Mark

Chemistry
How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK for acetic acid is 4.76. Show your work.
September 10, 2012 by Trey

chemistry
Hydrogen gas is produced when zinc reacts with hydrochloric acid. if the actual yeild of this reaction is 85%, how many grams of zinc are needed to produce 112L of H2 at STP?
June 10, 2008 by Miley

Chemistry
500 mL of water is added to 25 mL of 6.0 M hydrochloric acid. What is the final concentration of this solution in mol/L?
October 5, 2009 by Ashley

chemistry
during an experiment, 20 ml of 4 M hydrochloric acid is mixed with 30 ml of water. what is the concentration of your new solution
August 21, 2013 by Emily

chemistry
quick question, if concentrate nitric acid is listed as 70% w./w. what's the other 30 percent of the concentrated HNO3 solution?
August 30, 2012 by thanh

scie
A bottle of concentrated sulphuric acid (Density =1.80 gcm/cm cube) is labelled as 86% by weight. What is the molarity of the solution?
June 16, 2013 by aarti

chem
On Easter Sunday, April 23, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate. 2 HNO3(aq) + Na2CO3(s) 2 NaNO3(aq) + H2O(l) + CO2(g) (a) Calculate H for this reaction. kJ Approximately 1.0 104 gal nitric ...
November 26, 2007 by mel

analytical chemistry
Adding 10.0 mL of 0.500 M HCl to 100.0 mL of pH = 7 water produces a solution with a pH of 1.34. What is the pH of the resulting solution when 10.0 mL of 0.500 M HCl is added to 100.0 mL of the buffer solution in the introductory example? That buffer contained 0.100 moles of ...
November 17, 2014 by simona

Chemistry
How many moles of hydrochloric acid are required to react with 2.57 moles of calcium hydroxide in a neutralization reaction?
March 24, 2014 by Anonymous

chemistry
How many grams of CaO (56.08) are required for complete reaction with HCl (36.46) in 275 mL of a 5.90 M HCl solution? CaO + 2HCl --> CaCl2 + H2O.
February 22, 2012 by Anonymous

chemistry
How much 0.10 M Base (in mL) is required to neutralize 8.00 mL of the 0.10 M acid? Base Acid Base Volume (mL) NaOH HCl ___________ NaOH HC2H3O2 ___________ How would the volume of base change from problem above if the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of ...
May 1, 2008 by Amy

chemistry
How much 0.10 M Base (in mL) is required to neutralize 8.00 mL of the 0.10 M acid? Base Acid Base Volume (ml) NaOH HCl ___________ NaOH HC2H3O2 ___________ How would the volume of base change from the problem above if the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of...
May 1, 2008 by Amy

AP Chem
Consider the following unbalanced equation: Ca3(Po4)2+H2SO-->CaSO4+H3PO What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0 kg calcium phosphate with 1.0 kg concentrated sulfuric acid (98% H2SO4 by mass)? I'm so lost. Please help.
November 4, 2008 by Robyn

chemistry
I have 3 grams of CaCI2 and dissolve this into 0.5 L water. What is the concentration in g/dl (grams/deciliter)? I take 10 milliliters of this solution and add it to 990 milliliters of watet fo a total of 1000 milliliters. What is the concentration of this new dilution in ...
September 17, 2014 by maria

Science
How do I prepare 1% H2SO4 from concentrated sulphuric acid (96% with density 1.84g/ml)? Thank you very much for your help.
December 2, 2008 by Tricia

AP Chemistry
My objective is to find the molar mass of a gas. Is this the correct balanced equation for magnesium ribbon reacting with hydrochloric acid to form hydrogen gas? 2Mg (s) + 2HCL (l) ----> H2 (g) + 2MgCl (aq) Also, I'm required to find the mass of the magnesium ribbon in ...
September 23, 2007 by Jake

Chemistry
H2C2O4 * 2H2O (s) is a primary standard substance. 2.3688 grams of oxalic acid dihydrate were completely neutralized by 42.56 milliliters of NaOH solution. Calculate the molar concentration of the NaOH solution.
March 26, 2011 by Cassie

Chemistry
a 25.0mL sample of a 0.100M solution of aqueous trimethylamine is titrated with a 0.125M solution of HCl. Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pKb of (ch3)3N=4.19
November 8, 2010 by Amanda

Chemistry
How many milliliters of a 0.66 M HCl solution are needed to react completely with 1.9 g of zinc to form zinc(II) chloride?
October 4, 2011 by Anon

Chemistry
How many milliliters of a 0.81 M HCl solution are needed to react completely with 2.2 g of zinc to form zinc(II) chloride?
September 29, 2012 by Emily

chemistry
How do you prepare a 0.4 M solution of sulfuric acid in water starting with concentrated sulfuric acid (18 M) and water?
March 11, 2012 by Amanda

chemistry
How do you prepare a 0.4 M solution of sulfuric acid in water starting with concentrated sulfuric acid (18 M) and water?
March 11, 2012 by Amanda

Chem Problem
I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 ...
October 10, 2012 by Kelli

Chem Problem
I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 ...
October 10, 2012 by Kelli

Chem
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 ...
December 7, 2009 by Matt

Chem
Hydrochloric acid can be prepared using the reaction described by the chemical equation: 2 NaCl(s) + H2SO4(l) ----> 2 HCl(g) + Na2 SO4(s). How many grams of HCl can be prepared from 393 g of H2SO4 and 4.00 moles of NaCl? A) 4.00 g B) 2.49 g C) 146 g D) 284 g E) None of the ...
April 11, 2007 by Jessica

AP Chemistry
How many grams of benzoic acid, a monoprotic acid with a Ka=6.4x10 to the negative 5, must be dissolved in 500.0 mL of water to produce a solution with a pH=2.50?
March 3, 2008 by Betsy

Desperate chemistry
How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK for acetic acid is 4.76. Show your work.
September 10, 2012 by Trey

Chemistry. Please help
How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK for acetic acid is 4.76. Show your work.
September 10, 2012 by Trey

Physical sciences
Potassium dichromate,concentrated nitric acid 12m,concentrated sodium hydroxide 12.5m and water.set up an experiment to investigate the effects of changing concentration on an equilibrium mixture
May 23, 2011 by Tshephiso

Science
Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid
December 29, 2012 by Ashok

chemistry
Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid
January 6, 2013 by Ashok

Chemistry
Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid
January 6, 2013 by Ashok

Chemistry
Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid
January 6, 2013 by Ashok

chemistry
use and activity series to Identify two metals that will not generate hydrogen gas when treated with and acid write balanced molecular equations: aluminum metal with dilute nitric acid Write balanced molecular equations:Calcium hydroxide solution with acetic acid How many ...
April 14, 2008 by Katie

chemistry
use and activity series to Identify two metals that will not generate hydrogen gas when treated with and acid write balanced molecular equations: aluminum metal with dilute nitric acid Write balanced molecular equations:Calcium hydroxide solution with acetic acid How many ...
April 14, 2008 by Katie

Chemistry
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point. A. What is the concentration of the HCl? B. What is the initial pH of the acid solution? C. What is the pH of the reaction mixture after the ...
March 29, 2011 by Joseph

Chemistry
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point. A. What is the concentration of the HCl? B. What is the initial pH of the acid solution? C. What is the pH of the reaction mixture after the ...
March 29, 2011 by Joseph

Chemistry
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point. A. What is the concentration of the HCl? B. What is the initial pH of the acid solution? C. What is the pH of the reaction mixture after the ...
March 30, 2011 by Joseph

chemistry
What is the acid and base whose reaction will produce the salt Na3PO4? What is the acid and base whose reaction will produce the salt PbS? What is the acid and base whose reaction will produce the salt KIO3? phosphoric acid, sodum hydroxide lead hydroxide, H2S potassium ...
May 20, 2007 by Carter

chemistry
"Following the reaction of zinc with hydrochloric acid, a secondary reaction can occur if a product of the first reaction is ignited. Write the complete reactions for both reactions." "If 2.75g zinc with 0.15 moles HCL, how much flammable product can be collected?" I know one ...
March 4, 2012 by Brianna

chemistry
Zinc combines with hydrochloric acid to form aqueous zinc chloride and hydrogen gas. If 300.0 mL of a 0.150 M solution of HCl is allowed to react with excess zinc, how many moles of hydrogen gas would be produced? Part two: if this reaction happens at STP what volume of ...
March 6, 2012 by Anonymous

Analytical Chemistry
A 22.617 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 70.407 g of water. A 10.883 g aliquot of this solution is then titrated with 0.1072 M HCl. It required 29.32 mL of the HCl solution to reach the methyl red ...
February 28, 2013 by Sam

Chemistry
A total charge of 96.5 kC is passed through an electrolytic cell. Determine the quantity of substance produced in each of the following cases. (a) the mass (in grams) of silver metal from a silver nitrate solution (b) the volume (in liters at 273 K and 1.00 atm) of chlorine ...
June 21, 2013 by Sara

ANALYTICAL CHEMISTRY
3. How many moles of HCl are required to make 15.00 mL of an aqueous 2.500 molar HCl solution? How many moles of Cl- are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above? How many moles of H+ are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned ...
May 6, 2012 by JONESTONE

ANALYTICAL CHEMISTRY
3. How many moles of HCl are required to make 15.00 mL of an aqueous 2.500 molar HCl solution? How many moles of Cl- are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above? How many moles of H+ are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned ...
May 6, 2012 by JONESTONE

college chem
a. According to the Henderson-Hasselbalch equation, how many grams of sodium acetate will you need to add to 125 mL of 0.100 M acetic acid to make a pH=4.74 buffer? b. What is the actual pH of the resulting buffer when you add that many grams of sodium acetate to 125 mL of 0....
April 7, 2011 by Cat

algebra
to conduct a scientific experiment, students need to mix 90 millimeters of a 3% acid solution. They have a 1% solution and a 10% solution available. How many millimeters of a 1% solution and of the 10% solution should be coming to produce 90 millimeters of the 3% solution .01x...
December 7, 2014 by j

Chemistry
A volume of 150mL of 0.35M HCl is to be prepared from 80% HCl stock solution. (Density of HCl = 1.191g/mL). Calculate the molarity of 80% HCl stock solution.
August 9, 2013 by K

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 ...
April 21, 2010 by Aubree

Chemistry
24.5 ml of water are added to a 1.20 molar solution of nitric acid. If the concentration decreases to 0.55 molar, what volume of the concentrated solution was used? 1.20 M x mL = (24.5 mL + mL) x 0.55 M Solve for mL. Check my thinking. When you finish the calculation, check it...
April 20, 2007 by Veronica

Normality headache
I do not fully grasp the idea of Normality. What are the normality and the molarity of a sulfuric acid solution if 30mL of it are required to completely neutralize 24mL of 0.02N NaOH? (one of them, N or M, is never equation dependent because...??) HCl(aq) + NaOH(aq)--> NaCl...
June 16, 2006 by Kizner (chem)

Chemistry
a 25.0 mL sample of .050 M solution of aqueous trimethylamine is titrated with a .063 M solution of HCl. calculate pH the solution after 10.0 mL, 20.0 mL, 30.0 mL of acid have been added. pKb of (CH3)_3_N= 4.19 at 25 degrees C
November 11, 2012 by Elaine

Chemistry really desperate
How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK for acetic acid is 4.76. Show your work.
September 10, 2012 by Trey

chemistry
is 3M less or more concentrated than 9M of sulfuric acid? I think that 9M is more concentrated but I wanted to make sure. thanks
April 8, 2014 by jazz

Chemistry
Calculate the [H+] of a solution obtained by mixing 1 L of hydrochloric acid 1.0 M with 1 litre of sodium hydroxide 0.990 M.
May 11, 2012 by Katie

chemistry
Acids and Bases: What would be the pH of a solution made by adding 16.9 grams of hydrochloric acid to 2.50 L of water?
November 22, 2013 by Marinas

chemistry
A nitric acid solution containing 71.0% by mass of the acid has a density of 1.42g/ml how many grams of nitric acid are present in 1.0L of this solution
May 3, 2013 by cheryl

Chemistry
How many milliliters of a 0.1 Molar NaOH solution is needed to neutralize 1 liter of lemonade containing 25% citric acid?
August 5, 2011 by Katie

science
how many milliliters of 5.5M H2so4 must you use to prepare 500ml of 0.2M sulfuric acid solution? Please hurry!!!!!!
December 14, 2012 by grant

Physics (please help!!!!)
A box with a volume V = 0.04 m3 lies at the bottom of a lake whose water has a density of 103 kg/m3. (a) How much force is required to lift the box, if the mass of the box is 1050 kg? (b) How much force is required to lift the box, if the mass of the box is 100 kg? (c) How ...
April 16, 2011 by Anonymous

AP CHEM
Please help me with these AP Chemistry homework problems and show me the steps how to find the solutions: Liquid-Liquid Tirations: What is the concentration of the unkown solution for each of the following titrations? #5) 25.36 mL of 0.178 M NaOH is required to titrate an 25....
July 31, 2008 by shylo

Chemistry Help
Using the accurate concentration that you measured in Part A (which is 14.77 ml), calculate the mass of HCl (in grams) present in a 15.00-mL sample of the acid solution, using proper dimensional analysis
December 2, 2012 by Alex

AP Chemistry
1. Equilibrium 2SO3(g) <--> O2(g) + 2SO2(g) A 3.21g sample of sulfur trioxide is placed in a 2.25 L cylinder and allowed to reach equilibrium at a constant temperature of 500 , as shown in the above equation. Analysis shows 1.23 X 10^-2 mol of sulfur dioxide at ...
April 10, 2007 by anonymous

science-chemistry
A piece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. The reaction formed hydrogen gas and iron chloride. How many moles of iron (II) chloride were formed? Don't forget the units.
January 4, 2011 by blah

Chemistry
how many milliliters of a 0.78 M HCl solution are needed to react completely with 6.4 g of zinc to form zinc(II) chloride? Answer in units of mL.
October 5, 2010 by Nathan Espinosa

chemistry
How many milliliters of a 0.16 M HCl solution are needed to react completely with 4.8 g of zinc to form zinc(II) chloride? Answer in units of mL
September 19, 2012 by cheri

AP Chemistry
How many milliliters of a 0.62 M HCl solution are needed to react completely with 4.7 g of zinc to form zinc(II) chloride? Answer in units of mL
September 10, 2013 by Gabriella

ap chemistry
What is the pH at the point during a titration when 34 mL of 0.200 M HCl has been added to 29 mL of 0.0500 M NH3 solution? HCl is a strong acid, Kb=1.810−5 for NH3. Answer in units of pH
February 4, 2014 by gabriella

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 ...
December 7, 2009 by Matt

Grade 12 Chemistry
Caprytic acid, also called octanoic acid, is an 8-carbon fatty acid that is used as a sanitizer on dairy equipment that comes in contact with milk.The acid has a molar mass of 144.21 g/mol. An aqueous solution of the sanitizer containing 12.25 g/L has a pH of 2.98. What is the...
January 5, 2014 by Anonymous

Chemistry
Hi, I posted yesterday with this lab question. "Calculate the molar amounts of NaOH used in the reaction with the HCl solution and with the HC2H3O2. I think I got the answer to that with the help that I received. I had 5 mL of HCl, and I was using .100 M NaOH, so I got 5x10-4 ...
April 22, 2007 by Rachel

Chemistry
Magnesium metal reacts with hydrochloric acid to produce hydrogen gas H2 Mg + 2HCl ----> MgCl + H2 Calculate the volume (in liters) of hydrogen produced at 33 degrees C and 665 mmHg from 0.0840 mol Mg and excess HCl P= .875 atm V= ? n= .0840 mol R= 0.0821 T= 306 K V= nRT/ P...
October 23, 2007 by Lauren

chem1151
please me solve During an experiment to measure the efficacy of an antacid tablet, an antacid tablet was dissolved in deionized water. Then 75.0 milliliters of 0.268 M HCl solution were added to the flask containing the dissolved tablet. How many moles of HCl were added to ...
April 15, 2012 by linda

chemistry
what is the reaction equation when maleic anhydride is combines with granular zinc and HCl propose structures for the products you would obtain by treating fumaric acid, cinnamic acid, and butynedioic acid with zinc and HCl. write balanced equations for the reactions.
October 30, 2010 by anon

chemistry
4. Phosphorous trichloride, PCl3, reacts with water to form phosphorous acid, H3PO4, and hydrocholoric acid: PCl3+ 3H2O> H3PO3+3HCL a. what is the limiting reactant when 10.0g of PCl3 is mixed with 12.4 g of H2O? b.what mass of HCl is formed? C. how much excess reactant ...
February 29, 2008 by anon

Chemistry
A student was given 100mL of HCL solution in a 250mL beaker and told that the HCL was 0.11M. The student was also given phenolphthalein indicator and 250 ML of 0.1234 M NaOH. The student first filled a buret with NaOH solution. The student then placed an appropriate volume of ...
November 21, 2013 by Lenny

chem
Section: Ionization expressions, Weak Bases Using the equilibrium constants listed in your book, arrange the following .1 M aqueous solutions in order of increasing pH. a)NaNO2 b)HCl c)NaF d)Zn(H2O)3(OH)(NO3) Here's what I have so far: a) NaNO2 --> Na+ + NO2- NO2- + H2O <...
April 28, 2007 by Chris

chemistry need help plzzz tomorrow is a TEST!!!
phosphoric acid is the active ingredient in many commercial rust-removing solution.calculate the volume of concentrated phosphoric acid (14.6 mol/L)that must be diluted to prepare 500mL of a 1.25 mol/L solution. how can i calulate the volume cocentration for this question.... ...
December 9, 2010 by TARA

chemistry
a 205 mg sample of diprotic acid is dissolved in enough water to make 250 ml of solution. The pH of this solution is 2.15. A saturated solution of calcium hyrdoxide (Ksp=1.3*10^-6) is prepared by adding excess calcium hydroxide to water and then removing the undissovled solid ...
March 4, 2012 by cat

chamistry
how do you calculate the mole fraction of HCl in an acqueous solution that contains 33.6% HCl by mass?
February 23, 2011 by franco

chemistry
a piece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. the reaction formed iron (II) chloride and hydrogen gas. how many moles of iron (II) chloride were formed?
March 26, 2014 by dee

Chemistry 151
5) How many mL of 1M HCl is used to make the following dilutions? a) 100mL of 0.1M HCl = b) 250mL of 0.5M HCl= c) 10ml of 0.01M HCl= 36.64 is the molar mass of hcl do I divide that into ml?
March 16, 2014 by Selina

algebra word problems
1) tina has 48 mL of a solution that is 25% acid. how much water should she add to obtain a solution that is 15% acid? 2) how many grams of sugar must be added to 60 grams of a 32% solution to obtain a 50% solution?
November 21, 2010 by mike

math
a chemistry experiment calls for 30% sulfuric acid solution. if the supply room has only 50% and 20% sulfuric acid solution on hand,how much of each should be mixed to obtain 12 litres of 30% solution?
October 20, 2011 by patel

math
a chemistry experiment calls for 30% sulfuric acid solution. if the supply room has only 50% and 20% sulfuric acid solution on hand,how much of each should be mixed to obtain 12 litres of 30% solution?
October 20, 2011 by patel

Chemistry
what would be the molarity of a KOH solution if 15 mL of the solution required 22.3 mL of 0.085 M HCl to react with the base?
March 15, 2011 by Anonymous

Chemistry
How many mL of a 6 M HCl solution are required to prepare 200 mL of a 0.2 M solution?
June 20, 2011 by Brea

CHEMISTRY
TO PREPARE 10% HCL SOLUTION ,HOW MUCH AMOUNT OF 35%HCL IS USED.SPECIFIC GRAVITY 1.18
March 21, 2012 by Anonymous

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