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June 28, 2016

Search: zn(s) 2 hcl(aq) h2(g) zncl2(aq) when 50.0 g of zn reacts completely

Number of results: 8,771

Science: Chem
How many milliliters of 0.10 M HCl must be added to 52.0 mL of 0.40 M HCl to give a final solution that has a molarity of 0.25 M?
November 1, 2011 by Lach

chemistry
What is the molarity of a solution that contains 31.0 HCl in 5.00kg water? (molar mass of HCl=36.46 g/mol)
January 22, 2012 by jim

Chemistry
How many grams of a 12.5% (w/w) aqueous solution of HCl do you have to measure out if yo need 32g Of HCl?
August 9, 2012 by Jim

chemistry
How would a chemist make up 100g of 10% aqueous solution of HCl (using 12M HCl)
September 9, 2012 by Dena

Chemistry
How many milliliters of 1.5 M HCl must be transferred from a reagent bottle to provide 25g HCl for a reaction?
September 8, 2013 by Anonymous

Chemistry
What volume of concentrated hydrochloric acid (12.0 M HCl) is required to make 2.0 liters of a 3.0 M HCl solution?
March 25, 2016 by Wilson

chemistry
A bottle of HCL is 14.0M and has a density of 1.08 grams/mL. What is the molality of the HCL?
April 17, 2008 by billy bob j

Chemistry
How will you prepare 10mL of .050 M HCl from a .10 M solution of HCl?
February 22, 2010 by Danielle

Chemistry
Which bond is polar covalent? a) H2 b) Cl2 c) HCl d) O2 is it HCL ?
December 2, 2010 by Anonymous

Chemistry
How many moles of HCl are present in a 50mL 3M solution of HCl?
January 12, 2011 by Jess

Chemistry
How many moles of HCl are present in a 50mL 3M solution of HCl?
January 12, 2011 by Jess

science
50 mL 3.0 M HCl(aq) that means hw much HCl i have to add
March 8, 2011 by Tumpa

chemistry
How would you prepare a standard solution of 1m HCL(5.6 of HCL is 1.18)?
March 8, 2011 by Joy

Chemistry
what is the concentration of hcl when 55 ml of this hcl solution neutralize 15ml of .9m ca(oh)2
February 10, 2012 by Faith

Science
5.00 ml of 1.90M HCl is diluted to 0.400l. calculate the pH of the HCl?
September 25, 2012 by Erik

Chemisttry
How would you make 0.1 N HCL using 12M HCL?
October 23, 2012 by Jeff

Chemistry
How many milliliters of 11.5 M HCl(aq) are needed to prepare 310.0 mL of 1.00 M HCl(aq)?
March 19, 2013 by Robert

Chemistry
How many liters of hydrogen at STP can be produced by the reaction of 4.15 g of zinc with hydrochloric acid: Zn + 2HCl -> ZnCl2 + H2
November 9, 2009 by Christina

Chemistry
How many liters of hydrogen at STP can be produced by the reaction of 4.15 g of zinc with hydrochloric acid: Zn + 2HCl -> ZnCl2 + H2
November 9, 2009 by Julie

chemistry
what mass of zinc chloride, zncl2 is required to prepare 5.00l of a 0.450 molar solution
December 11, 2011 by dolly

Chemistry
Zn|ZnCl2(0.00165 M)||CuSO4(0.0125 M)|Cu Find Ecell taking activities into account.
October 14, 2012 by amanda1012

chemistry
calculate the solubility of SrSO4 in A: pure water B: 0.045 M Sr(NO3)2 C: 0.05 M NaCl D: 0.016 M ZnCl2
April 10, 2013 by anonymous

chemistry
A 0.4515 g sample of pure CaCO3 was transferred to a 500 mL volumetric flask and dissolved using 6M HCl then diluted to volume. A 50.00 mL aliquot was transferred to a 250mL Erlenmeyer flask and the pH adjusted. Calmagite was used as an indicator the solution was titrated ...
February 15, 2012 by darren

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
How many grams of calcium carbonate, CaCO3, do you need in an antacid tablet to neutralize 20 mL of stomach acid? (stomach acid is 0.1 M HCl. There are 3.65g of HCl in 1L of stomach acid or 1g of HCl in 274g of stomach acid).
November 13, 2012 by Marie

Chemistry
Some drain cleaners contain a mixture of sodium hydroxide and aluminum which reacts with water as follows: 2Al(s)+2 NaOH(aq)+6H2O(l)->2Na[Al(OH)4](aq)+3H2(g) What mass of hydrogen gas can be produced when 5g Al reacts with sufficient NaOH and H2O) according to the above ...
November 1, 2009 by Christina

math,chemistry
How much water should be added to 1 liter of 0.12N HCl to prepare exactly 0.1N HCl?
August 23, 2010 by jc

Chemistry
By titration it is found that 68.9 mL of 0.122 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.
November 22, 2010 by Jason

chemistry
How much water would you add to 12 M HCl to make 650 mL of 1.5 M HCl? Hint: This is a dilution problem
December 14, 2010 by Nathan

chemistry
A 25 mL solution of .5M NaOH is titrated until neutralization into a 50mL sample of HCl. What was the concentration of HCl?
February 22, 2011 by E

chemistry
How many milliliters of 3.6 M HCl must be transfered from a reagent bottle to provide 20 g HCl for a reaction? Answer in units of mL
August 30, 2011 by Liz

chemistry
How many milliliters of 1.4 M HCl must be transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of mL
September 11, 2011 by julie

Chem
How many milliliters of 1.5 M HCl must be transfered from a reagent bottle to provide 25 g HCl for a reaction? Answer in units of mL.
September 11, 2011 by Chandler

Chemistry
How many milliliters of 5.2 M HCl must be transfered from a reagent bottle to provide 22 g HCl for a reaction? Answer in units of mL
September 15, 2011 by Anonymous

chemistry
Calculate the mass of HCl required to prepare 2.5 liters of a 0.08 molar solution of HCl. H 1.01 Hydrogen 17 Cl 35.45 Chlorine
September 26, 2011 by archie

chemistry
if 50.0 mLs of HCl of unknown concentration is titrated to neutrality with 90.0 mL of .650 M NaOH. calculate the molarity of the HCl
November 14, 2011 by susan

chemistry
if 50.0 mLs of HCl of unknown concentration is titrated to neutrality with 90.0 mL of .650 M NaOH. calculate the molarity of the HCl
November 14, 2011 by susan

chemistry
indicate the concentration of each ion presentin the solution formed by mixing 20mL of .1M HCL and 10mL of .22 M HCL
December 6, 2011 by fdg

chem
How many liters of 1.00 M HCl must be added to 50.0 ml of 0.500 M HCl to give a solution whose concentration is 0.750 M?
January 2, 2012 by Anonymous

chemistry
By titration it is found that 66.1 mL of 0.125 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.
April 23, 2012 by trae

science
How many milliliters of 4.6 M HCl must be transfered from a reagent bottle to provide 16 g HCl for a reaction? Answer in units of mL
July 24, 2012 by hanan

chemistry
How many milliliters of 5.5 M HCl must be transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of mL
September 13, 2012 by cheri

chemistry
How many milliliters of 5.5 M HCl must be transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of mL
September 16, 2012 by cheri

Chemistry
By titration it is found that 69.9 mL of 0.151 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.
November 19, 2012 by Janessa

science
a bottel contains 500 ml of 2.4 M HCL. How much water should be added to dilute it to 1.6 M HCL. Solution
June 16, 2013 by aarti

CHEMISTRY
Calculate the volume in liters required to prepare a 5.00M solution of HCL using 15.4gof HCL.
November 15, 2013 by BIBI

chemistry
By titration it is found that 20.5 mL of 0.168 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution
April 27, 2014 by Morgan

chemistry
By titration it is found that 20.5 mL of 0.168 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution
April 27, 2014 by Morgan

Chemistry
If you have 0.150 M HCl solution available, calculate the volume of HCl(aq) necessary for this reaction. _______ml
June 24, 2014 by amber

Chemistry
What is molarity of an HCl sloution if 45.0mL of 0.250 mol/L KOH are needed to neutalize 12.3mL of HCl?
December 1, 2014 by Kathy

chemistry
Mg+2Hcl---mgcl2+h2 volume of h2=40ml Hcl is 6M what mass os h is obtained by addin excess hcl to 6m of magnesium
March 10, 2016 by suni bohr

Chemisty
By titration it is found that 12.1 mL of 0.130 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.
April 27, 2016 by Tara

Chemistry 101
Iron reacts with hydrochloric acid to produce iron (2) chloride and hydrogen gas.Fe (s)+ 2 HCL (aq) -FeCl2 (aq) + H2 (g).The hydrogen gas from the reaction 2.2g of iron with excess acid is collected in a 10L flask at 25 degrees celcius. What is the pressure of the hydrogen gas...
April 30, 2009 by Eunice

mastering chemistry
A solution of volume 80.0 mL contains 16.0 mmol HCHO2 and 9.00 mmol NaCHO2. If 1.00 ml of 12 M HCl is added to this, what will be the resulting pH? (the only problem im having for this question is how to approach it, i know that by adding HCl the concentration of the CB would ...
February 28, 2009 by chma11 student

Chemistry - urgent
The following is part of a procedure for a limit test for sulphates in an NaOH sample:- Dissolve 3.0g of NaOH in 6ml of deionized water, adjust to pH 7 with HCl (approx.7.5ml) and dilute to 15ml with deionized water. Please explain how to perform this procedure. Conc HCl or 1M...
September 21, 2010 by candy

Chemistry Help
How many milliliters of 0.534 M Ba(OH)2 solution are needed to completely neutralize 34.5 mL of 0.220 M HBr solution? The reaction is Ba(OH)2(aq) + 2HBr(aq) → BaBr2(aq) + 2H2O(l) I did 0.0345 * 0.220 = 0.00759 Moles of HCl =2*0.00759= 0.01518 0.01518*1000= 15.18 mL ...
February 27, 2015 by Matthew

Chemistry
Help with any of these: 21. Aluminium sulphate is often used by gardeners to acidify soil and can be produced by the reaction 2Al(OH)3(aq) + 3 H2SO4(aq) Al2(SO4)3(aq) + 6 H2O(l) The volume of 0.275 mol/L H2SO4(aq) needed to react completely with 112 mL of 0.355 mol/l Al(...
September 9, 2012 by Emily

chemistry
Hi! i'm kinda having trouble getting this.. Don't understand it really from Ca(OH)2 + 2HCl-----> CaCl2 + 2H2O How do i calculate Ca+? :You need much more information. 1) do you mean the concentration of Ca+ ion? 2) is there excess HCl? What is given? ok It was from a ...
March 3, 2007 by Mallory

Organic Chemistry
Hi, I did an extraction experiment. I've got my basic layer, and getting my acidic salt in return. To do this, I am instructed to first "add a small amount of NaCl to help with the product precipitation". Then, again I am instructed to add HCl to "acidify" the solution. With ...
November 3, 2014 by Juan

ap chemistry
please explain titration problems. I'm a total noob at this and am trying to answer some prelab questions. Examples: 1. How many mL of a 0.800 M NaOH solution is needed to just neutralize 40 mL of a 0.600 M HCl solution? 2. You wish to determine the molarity of a solution of ...
October 2, 2008 by chris

chemistry
what simple test would you use to identify the possible presence of HCl(aq)? What result do you expect if the solution is HCl(aq)?
October 16, 2008 by Lili

chemistry
Assuming that the volumes are additive , how much water should be added to75.0 mL of 6.00 M HCl to prepare 0.500 M HCl?
December 5, 2009 by Alizza

Chemistry
A 20.0-mL sample of 0.20M sodium acetate is titrated with 0.11M HCl(aq). What is the pH after the addition of 50.0-mL HCl(aq)? (Kb of CH3CO2 = 5.6x10^-10)
March 26, 2010 by Sean

chemistry
I need 500 ml of 0.10 m HCL solution. I have a 3.785 liter container of HCL at 31.45% concentration. How do I acheive my objective?
October 16, 2010 by Daniel

chemistry
What is the concentration of HCl in a 250.0 mL sample of hydrochloric acid if 15.5 mL of 0.0100 M NaOH is needed to react with all the HCl?
February 22, 2011 by Maddy

Chemistry
For the following reaction: 6ClO2 (g) + 3H2O (l) = 5HClO3 (l) + HCl (g) If a chemist wants to make 55.0 g of HCl, how much ClO2 is needed?
November 14, 2011 by Carrie

balaji pharmacy clg ,science
why it is taken 85ml of hcl for 1 lt of solvent according to I.P. while it is 43.02ml of hcl when it is calculated?
January 13, 2013 by shaziya

balaji pharmacy clg ,science
why it is taken 85ml of hcl for 1 lt of solvent according to I.P. while it is 43.02ml of hcl when it is calculated?
January 13, 2013 by shaziya

Lone Peak High
How much of a stock (18.5 M) HCl solution would be required to make 100mL of 0.025 M HCl?
June 7, 2014 by Annie

Chemistry
How much water must be added to make 500 ml of 12.0 M HCl to 1.0 M HCl (500mL 12M) / 1.0M =6000m Is this correct?
May 8, 2015 by Carl

Chemistry
How much water must be added to make 500 ml of 12.0 M HCl to 1.0 M HCl (500mL 12M) / 1.0M =6000m Is this correct?
May 10, 2015 by Carl

chemistry
1- A compound is 87.5% nitrogen and 12.5% hydrogen. The molecular weight of the compound is 32 g/mol. Describe the molecule referencing shape, and inter-molecular forces. 2- Gaseous butadiene, C4H6 , reacts with hydrogen gas in the presence of a platinum catalyst to form ...
January 6, 2014 by Katie

chemistry
How do I prepare 10% w/v HCl from 37%(w/w) HCl (density 1.19g/ml)? Thanks.
June 22, 2009 by Carol

adult education
How many moles of HCL are in 50.0 mL of 0.600 M HCl?
July 20, 2010 by santhosh

AP Chemistry
what is the number of moles of HCl in 50mL of 1.0M HCl
December 1, 2010 by Sam

science
50 mL 3.0 M HCl(aq) that means hw much HCl . Can anybody ilaborate it
March 8, 2011 by Tumpa

Science
How do you calculate the preparation of 0.1M HCl using 33% HCl?
March 20, 2014 by Raksha

Oedipus
What actions show Oedipus wasn't completely good? In the play Oedipus Rex, I need solid evidence of Oedipus' actions that show he was not completely good nor completely evil. I have what I need for reasons he is not completely evil, but to me he seems like a pretty innocent ...
November 30, 2010 by Norah

Chemistry
out of these conditions, which would result in fastest reaction? a. 2.0M HCL, powedered CaCO3 chip, 50 degrees celsius b. 6.0M HCL, CaCO3 chip, 25 degrees celsius c. 6.0M HCL, powdered CaCO3, 50 degrees celsius. d. 2.0M HCL, CaCO3 chip, 50 degrees celsius. Im guessing C ...
September 25, 2012 by Shreya

chemistry(check my work)
If 6.01 g of K2SO3 dissolved in 930 mL of water reacts stoichiometrically according to the balanced equation in a reaction solution with a total volume of 990 mL, what is the molarity (M) of KCl produced? K2SO3(aq) + 2 HCl(aq) → SO2(g) + 2KCl(aq) + H2O(l) 6.01gx ...
April 3, 2010 by eng

AP chem
A 1.25-g sample contains some of the very reactive compound Al(C6H5)3. On treating the compound with aqueous HCl, 0.951 g of C6H6 is obtained. Al(C6H5)3(s) + 3HCl(aq) --> AlCl3(aq) + 3C6H6(l) Assuming that Al(C6H5)3 was converted completely to products, what is the weight ...
September 6, 2011 by Jen

Chemistry
Zn+ 2HCl -> ZnCL2+h2 what volume of hydrogen at stp is produced when 2.5 of zinc react with an excess of hydrochloric acid
October 1, 2007 by Tyneice

chemistry
Zn is less active than Mg. Write the equations describing what occurs when ou mix: a)Zn with 0.5M magnesium chloride, MgCl2 b)Mg with 0.5M ZnCl2
October 28, 2010 by shannon

Organic Chemistry
how many grams of ZnCl2 are needed to prepare 250 ml of an aqueous solution with an osmolarity equal to 0.300?
March 6, 2012 by Jules

chemistry
how many grams of Zn metal would you use to prepare 6.8g of zinc chloride according the reaction: Zn(s)+2HCl(aq)-> ZnCl2(aq)+H2(g)
March 9, 2016 by jane

chemistry
how many grams of Zn metal would you use to prepare 6.8g of zinc chloride according the reaction: Zn(s)+2HCl(aq)-> ZnCl2(aq)+H2(g)
March 9, 2016 by jane

Chemistry
We conducted a lab with antacids in class the other day and i'm having trouble doing the calculations. Well we basically took antacid tablets dissolved them in HCl, heated it and then added phenolthalien and then titrated until we saw a pink color. At 41mL we saw the pink and ...
March 15, 2010 by Anonymous

chemistry
A chemist needs a HCl solution with a molarity of less than 0.400 M for an experiment. To find out if a sample of HCl solution can be used in the lab, the chemist performs a titration to neutralize 59.2 mL of the HCl with 45 mL of 0.400 M NaOH. Based on the results, will the ...
January 31, 2014 by Matthew

chemistry
Im stuck on these few questions that seems to be getting me no where : -Determine the number of mmoles of HCl that did not react with the anatacid. c HCl = 0.1812 c NaOH = 0.1511 volume of HCl added : 75 volume of NaOH added: 29.23,19.58,33.3 - mmoles of HCl neutralized by the...
October 8, 2013 by karen

chemistry
Im stuck on these few questions that seems to be getting me no where : c HCl = 0.1812 c NaOH = 0.1511 volume of HCl added : 75 volume of NaOH added: 29.23,19.58,33.3 -Determine the number of mmoles of HCl that did not react with the anatacid. - mmoles of HCl neutralized by the...
October 8, 2013 by kathy

Chemistry
A mixture of nitrogen gas and hydrogen gas reacts in a closed container to form ammonia gas. The reaction ceases before either reactant is completely consumed. At this stage the container has 3.0 mol each of all three gases; nitrogen, hydrogen and ammonia. How many moles of ...
June 30, 2013 by megs

Chemistry Balancing Equations
I really need help with balancing these equations: PLEASE HELP!! 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride 2. Sodium nitrate reacts with hydrochloric acid to produce nitrogen monoxide gas, water sodium ...
March 14, 2011 by Anonymous

chemistry
given 2CH3OH+3O2->2CO2+4H2O 1. Calculate number of grams of CH3OH required to react with 34.0L of O2 at STP. 2. How many liters of CO2 at 18 degrees Celcius and 6.94 atm are produced when 3.40 mol of CH3Oh is burned completely. 3. What volume of CO2 is produced if 7.11L of ...
November 13, 2012 by sheila

Science
zinc is mixed with Hydrochloric acid to form zinc chloride and hydrogen gas. if 7.3 grams of zinc completely reacts how much hydrogen gas will be created? if you collect the hydrogen over water at 23 degrees celcius and a barometric pressure of 770 mmHg and you recover 2.30 ...
April 16, 2014 by Tylor

Chemistry
A 23.596 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 79.504 g of water. A 13.803 g aliquot of this solution is then titrated with 0.1098 M HCl. It required 29.02 ml of the HCl solution to reac the methyl red endpoint...
November 14, 2011 by Mike

chemistry
A 23.596 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 79.504 g of water. A 13.803 g aliquot of this solution is then titrated with 0.1098 M HCl. It required 29.02 ml of the HCl solution to reac the methyl red endpoint...
November 14, 2011 by Mike

Chemistry
By titration it is found that 76.3Ml of 0.178M of NaOH(aq) is needed to neutralize 25.00mL of HCL(aq). Calculate the concentration of the HCl solution.
April 17, 2013 by Katherine

chem
how many mL of .135M Sr(OH)2 are needed to neutralize 35ml of .157M HCL I know the answer came out to 20.4 ml My only question is how do I convert HCL to Sr(OH)2
September 29, 2013 by Alexandra

science
Hcl is titrated against 5ml of sodium carbonate of strength 0.0133 then what should be the mean value of HCl added ?
February 18, 2016 by Anonymous

chemistry
Hcl is titrated against 5ml of sodium carbonate of strength 0.0133 then what should be the mean value of HCl added ?
February 18, 2016 by Shareen

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