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August 22, 2014

Search: How many mL of .210 M HCl are needed to react completely with 35.0 mL of 0.101M Ba(OH)2

Number of results: 13,938

Chemistry
How many grams of hydrochloric acid are required to react completely with 4.30 grams of zinc? I got 4.80g HCl for the answer but do not know how to do part 2 which is, How many molecules of a gas will be produced? Thanks.
October 21, 2007 by lucy

science
Al(s) + HCl(aq) AlCl3(aq) + H2(g) Zn(s) + HCl(aq) ZnCl2(aq) + H2(g) Consider the unbalanced equations above. A 0.250 g sample of a mixture of aluminum and zinc metal is reacted with an excess of hydrochloric acid. Both metals react with hydrochloric acid. The sample produces ...
April 29, 2013 by samantha

chemistry
How many milliliters of 0.418 M HCl are needed to react with 52.7 g of CaCO3? 2HCl (aq) + CaCO3 (s) >>> CaCl2 (aq) + CO2 (g) + H20 (l) I got .00252 mL but its wrong. This is what I did: 52.7 g x (1 mol CaCO3/100.09 CaCO3) x (2 mol HCl/ 1 mol CaCO3)= 1.05 mol HCl ...
September 19, 2009 by Some kid

chemistry
When 21.29 g of element A react completely with 58.37 g of E, compound A2E is formed. When 5.41 g of A react with 32.36 g of G, compound AG is formed. If elements E and G react to form EG3, what mass in grams of G is required to react with 11.94 g of E? The molar mass of E is ...
November 6, 2007 by confused student..

chemistry
How many grams of carbon dioxide, are needed to completely react with 112 grams of Fe
February 15, 2012 by salvador

chemistry
How many grams of carbon dioxide, are needed to completely react with 112 grams of Fe
February 15, 2012 by salvador

chemistry
25 ml HCl x 1L/1000mL x .200HCl/1L = .005 mol HCl. Using the balanced equation from this, how many moles of NaOh will you need to completely neutralize the HCl?
November 10, 2010 by Zac

moles
how many grams of H2O are needed to react completely with 3.5 moles of ethylene?
May 13, 2014 by Anonymous

stoichiometry
How many moles of hydrogen are needed to completely react with 2.0 moles of nitrogen? N2 + 3H2 -- 2 NH3
March 29, 2011 by gail

science
How many grams of hydrochloric acid are required to react completely with 4.30g of zinc? How many molecules of gas will be produced? 1. Write the balanced chemical equation. Zn + 2HCl ==> ZnCl2 + H2 2. Convert grams Zn to mols. mols = grams/atomic mass Zn. 3. Using the ...
March 17, 2007 by Josh

chemistry
how many moles of HCl are needed to react with 2.3 moles of Zn in the following reaction? 2HCl + Zn --> ZnCl2 + H2
July 6, 2010 by Anonymous

physics
if hydrogen and chlorine react to form hydrogen what would be the volume of HCL that is formed if 60m cubed of hydrogen is completely used up in the reaction?
October 5, 2009 by khanyi

Chemistry
Calculate the pH of the resulting solution if 21.0 mL of 0.210 M HCl(aq) is added to a) 26.0 mL of 0.210 M NaOH(aq) b) 31.0 mL of 0.260 M NaOH(aq)
September 4, 2011 by Ada

Chemistry
Need help with this problem in order to figure out three others. What volume of 2.25 M HCI in liters is needed to Completely react with 0.500 L of 0.400 M Na2CO3?
November 30, 2010 by Evette C.

ap chem repost
a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the temperature ...
April 12, 2009 by sarah

chem repost
a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the temperature ...
April 12, 2009 by sarah

chemistry
How many milliliters of 0.237 M HCl are needed to react with 52.2g of CaCO3? 2HCl(aq) + CaCO3(s) --> CaCl2(aq) + CO2(g) + H2O(l)
July 6, 2012 by Jason

gen chemistry
How mucn 0.6 M barium chloride solution would be needed to completely react with 150mL of a 1.4 M sodium solution
April 7, 2011 by drea

Chemistry
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are produced. What volume of 9.0 M HCl is required to react completely with 5.00 g of magnesium?
October 19, 2010 by Mattie

Chemistry
how many moles of hydrogen chloride would be needed to react completely with 15g of barium carbonate equation is given: BaCO3 + 2HCl to BaCl2 + H2O + CO2
March 21, 2010 by Johnny

Chemistry
For the reaction: H2(g) + Cl2(g) HCl(g) (is this balanced?) calculate the mass, in grams of H2 needed to react with 25.0g Cl2. A. none of these B. 25.0 C. 0.711 D. 0.353
March 5, 2011 by Anthony

chemistry
What volume of carbon monoxide gas (at STP) is needed when 1.31 moles of oxygen gas react completely in the following equation? 2 CO + O2 --> 2 CO2
November 10, 2013 by B

Chemistry
Na₂CO₃ (s) + 2HCL (ag) → 2NaCl (ag) + CO₂ + H₂O (l) If 4.25g of sodium carbonate is reacted completely with excess hydrochloric acid as 3M HCl, how many mL of HCl would be consumed? Note: Assume 3M HCl contains 3.00 moles of HCl per liter of ...
April 30, 2012 by Shelby

Chemistry
How many milliliters of a 0.20 M KOH are needed to completely neutralize 90.0 milliliters of 0.10 M HCl?
May 5, 2010 by Danny

Chemistry
What if when I find my product, I get the same compound as I did in my reactant? For example, FeCl3 + HCl ->FeCl3 + HCl. Then something is wrong. In this case, FeCl3 and HCl usually don't react. In very concentrated solutions of HCl, the FeCl4^- or FeCl6^-3 ion can form. In...
October 21, 2006 by Sally

chemistry
write a balanced equation for this reaction. find out the mass of hydrogen chloride gas needed to react completely with 0.20 g of ammonia gas.
April 1, 2011 by jania

chemistry
How many moles of carbon monoxide are needed to react completely with 1.75 moles of iron oxide? based on this equation: Fe2O3(s)+3CO(g)--->2Fe(s)+3CO2(g)
April 11, 2011 by Jane

chemistry
assume that 44.3g Na2O are formed during the inflation of an air bag.How many liters of CO2-density=1.35g/L are needed to completely react with the Na2O?Explain
February 7, 2013 by jim

Chemistry
For the following acid-base reaction, calculate the mass (in grams) of each acid necessary to completely react with and neutralize 5.00 g of the base. HCl(aq)+ NaOH(aq)->H20(l)+NaCl(aq) Please explain how to do this.
September 16, 2011 by Brittany

Chemistry
Elemental sulfur occurs as octatomic molecules, S8. What mass of fluorine gas is needed to react completely with 19.0g of sulfur to form sulfur hexafluoride?
October 20, 2009 by L

Chemistry
Elemental sulfur occurs as octatomic molecule S8. What is the mass of Fluorine gas needed to react completely with 19.9 g of Sulfur to form sulfur hexafluoride?
October 26, 2009 by Brittany

chemistry
For the reaction: Mg + 2 HCl => MgCl2 + H2 a) How many grams of HCl are required to react with 62.0 g of Mg?
March 11, 2010 by Stacie

chemistry
I need help Calculating the mass of HCL neede to react with 20.0 grams Zn. Zn+HCL -> ZnCl2+H2
February 9, 2009 by Natalie

chemistry
Given the reaction: H2SO4 = 2NaOH -> NaSO4 = 2H20. Determine the # of moles of sulfuric acid id needed to completely react with 2.3 L of 0.5 M of NaOH. Then determine the concentration of the solution if 3.0 L of it are used instead.
November 4, 2012 by sarah

chemistry
Given the reaction: H2SO4 = 2NaOH -> NaSO4 = 2H20. Determine the # of moles of sulfuric acid id needed to completely react with 2.3 L of 0.5 M of NaOH. Then determine the concentration of the solution if 3.0 L of it are used instead.
November 4, 2012 by sarah

chemistry
For each of the following acid-base reactions, calculate how many grams of each acid are necessary to completely react with and neutralize 2.1g of the base. 1) HCl(aq)+NaOH(aq)-->H2O(l)+NaCl(aq) 2) 2HNO3(aq)+Ca(OH)2(aq)-->2H20(l)+Ca(NO3)2(aq) 3) H2SO4(aq)+2KOH(aq)-->...
November 11, 2010 by rachel

chemistry
You have 1.600g mixture of NaHCO3 and Na2CO3. You find that 11.60 ml of 2.00M HCl is needed to convert the sample completely to NaCl, H2O and CO2. NaHCO3 (aq) + HCl (aq) -> NaCl (aq) + H2O (l) + CO2 (g) Na2CO3 (aq) +2HCl (aq) -> 2NaCl (aq) + H2) (l) + CO2 (g) What volume...
April 17, 2010 by Monica

Honors Chemistry (stoichiometry)
Can someone check and make sure I'm doing these problems right? Thanks so much!! 1. N2 + 3H2 ==> 2NH3 : How many moles of hydrogen are needed to completely react with two moles of nitrogen? ==> I got 6 moles. 3. Zn + 2HCl ==> ZnCl2 + H2 : How many moles of hydrogen ...
November 4, 2009 by Emily

Chemistry
1. What does 'the time taken to reach completion decreases if 20cm^3 of hcl containing 4mol/dm^3' means? How to work out to find the concentration? 2(a)What does concentrated hcl means? (b)What does dilute hcl means? Which will react faster or slower / a or b? Thanks sooooo ...
October 30, 2011 by StuartKess

CHEMISTRY URGENT!
assume that 13.5g of AL react with HCl according to the following equation, at STP: Al(s) + HCl(aq) ---> AlCl3 + H2(g) Remember to balance the equation first. a. how many moles of Al react? b. how mang moles of H2 are produced? c. how mang liters of H2 at STP are produced? ...
February 3, 2013 by kikie

Chemistry
Gasohol is a fuel containing ethanol (C2H5OH) that burns in oxygen (O2) to give CO2 and water. How many moles of O2 are needed to completely react with 2.50 moles of ethanol?
October 25, 2011 by Deborah

Chem
Ca(s) + 2H+(aq) → Ca2+(aq) + H2(g) An experiment is performed to determine the volume of hydrogen gas produced when calcium reacts with excess HCl(aq) as represented by the net ionic equation above. A 0.0720 g sample of pure calcium and a solution of 1.0 M HCl(aq) were ...
April 23, 2013 by Jess

Chemistry
Pharmacists sell tablets containing magnesium hydroxide, Mg(OH)2, to combat indigestion. A student carried out an investigation to find the percentage by mass of Mg(OH)2 in an indigestion tablet. The student reacted the tablet with dilute hydrochloric acid. Mg(OH)2(s) + 2HCl(...
January 1, 2013 by Youtube

Chemistry
Determine the volume of methane CH4 gas needed to react completely with 0.660 L of 02 to form methanol CH3OH I'm confused because I'm sure CH4 + O2 don't give you CH3OH. Thanks
March 29, 2013 by Shadow

Chemistry
When 0.40 g of impure zinc reacted with an excess of hydrochloric acid, 127 mL of hydrogen was collected over water at 10 degress C The external pressure was 737.7 Torr. a) What volume would the dry hydrogen occupy at 1.00 atm and 298 K ? b) What amount (in moles) of H2 was ...
December 13, 2012 by Sandy

Chemistry
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely?
October 25, 2010 by Bill

chemistry
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely?
October 20, 2011 by HElp

Chemistry
What volume of carbon monoxide gas (at STP) is needed when 1.35 Moles of oxygen gas react completely in the following equation. 2CO + O2 > 2CO2 please show your work I'm having trouble with Gas Stoichiometry.
April 16, 2012 by Randy

science
Posted by Josh on Saturday, March 17, 2007 at 10:58pm. How many grams of hydrochloric acid are required to react completely with 4.30g of zinc? How many molecules of gas will be produced? For Further Reading science - DrBob222, Saturday, March 17, 2007 at 11:07pm 1. Write the ...
March 18, 2007 by Josh

chemistry
A lab tech had accidentally set out 16M HCl for this experiment. How much ( in mL) 16M HCl is needed to make 450mL of a 3M HCl solution?
October 7, 2013 by Christina

Chemistry
2 Fe (s) + 6 HCl (aq) -> 2 FeCL3 (s) + 3 H2 (g) How many liters of H2 would be formed if 200 g of Fe completely reacted with HCl at 40 degrees Celsius and 1.5 atm?
May 24, 2012 by Lily

Science
Al(OH)3(s) + HCl(aq) AlCl3(aq) + H2O(l) How many moles of HCl are required to react with 0.470 g of Al(OH)3 in the above unbalanced reaction? Use at least as many significant figures in your molar masses as in the data given. mol HCl What mass of HCl is required? How many ...
November 16, 2011 by Megan

Physical Science
1. Which equation correctly shows beta decay? (A) 210/82 Pb -> 209/81 Tl + 0/-1 e + y (B) 210/82 Pb -> 209/83 Bi + 0/-1 e + y (C) 210/82 Pb -> 210/83 Tl + 0/-1 e + y (D) 210/82 Pb -> 210/83 Bi + y (E) 210/82 Pb -> 210/83 Bi + 0/-1 e + y 2. The half-life if radon...
November 18, 2013 by CJ

Chem
We want to make 40. mL of 0.50 M HCl by diluting the stock 2.0 M HCl solution with water. What volume of 2.0 M HCl solution is needed?
April 12, 2010 by rahim

AP Chemistry
Assuming all volume measurements are made at the same temperature and pressure, what volume of hydrogen gas is needed to react completely with 2.96 L of oxygen gas to pro- duce water vapor? Answer in units of L
October 13, 2013 by Anonymous

FMU
After 2.02 g of Al has reacted completely with 0.400 L of 2.75 M HCl (the excess reactant), what is the molarity of the remaining HCl? 2Al(s)+6HCl(aq)-->2AlCl3(aq)+3H2(g)
March 24, 2011 by Alex

AP chem
a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the temperature ...
April 11, 2009 by sarah

Shawn
How many milliliters of 0.355 M NaF solution are needed to react completely with 24.6 mL of 0.216 M CaCl2 solution? How many grams of CaF2 will be formed? The reaction is CaCl2(aq) + 2NaF(aq) → CaF2(s) + 2NaCl(aq)
July 8, 2011 by Chemistry

Chemistry
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaO2+H2SO4 -> BaSO4 +H2O2 How many milliliters of 3.50 M H2SO4(aq) are needed to react completely with 12.1 g of BaO2(s)?
October 3, 2012 by Anonymous

Chemistry
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaO2+H2SO4 -> BaSO4 +H2O2 How many milliliters of 3.50 M H2SO4(aq) are needed to react completely with 12.1 g of BaO2(s)?
October 3, 2012 by Anonymous

chemisty
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaO2(s)+H2SO4(aq)=BaSO4(s)+H2O2(aq) How many milliliters of 5.00 M H2SO4(aq) are needed to react completely with 30.5 g of BaO2(s)?
February 28, 2013 by Bob

Chemistry
Given HCL + SrO --- SrCL2 + H20 Calculate the mass of HCl in grams that would react with 4.85 kg SrO.
November 17, 2011 by nms

Chemistry
2 Fe (s) + 6 HCl (aq) -> 2 FeCL3 (s) + 3 H2 (g) Given 16 g of HCl and 10g Fe react with how many grams of FeCl3 are produced (limiting reactant)?
May 24, 2012 by Lily

Chemistry
Given the following reaction: HCl(g) + SrO(s) SrCl2(s) + H2O Calculate the mass of HCl in grams that would react with 11.44 kg SrO.
November 25, 2010 by andrea

chemistry
How many milliliters of a 3.00 M solution of hydrochloric acid are needed to completely react with 25.0 g of zinc sulfide according to the chemical reaction shown below? ZnS(s) + 2HCl(aq) ? ZnCl2(aq) + H2S(l) (Answer to three significant digits.) _____ mL of 3.00 M ...
December 28, 2011 by joe walker

Chemistry
I have troubles with a titration of NaOH and HCl. The volume of the HCl is 30 ml and its concentration is 0.1 mol per liter The volume of the NaOH is 25 ml and the concentration is to be worked out. I understand that the reaction ratio for HCl to neutralize NaOH is 1:1. But ...
May 17, 2010 by Jazz

chemistry
Given the following reaction: HCl(g) + SrO(s) → SrCl2(s) + H2O Calculate the mass of HCl in grams that would react with 7.70 kg SrO
November 14, 2011 by riali

Chemistry - urgent help needed
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 12M HCl (about 6.2ml) and dilute to 15ml with deionized water. When about 6ml of 12M HCl was added, a white ppt was ...
September 22, 2010 by candy

chemistry
A 0.2528 g sample of a mixture containing sodium carbonate and sand requires 12.32 mL of 0.2409 M HCl(aq). Assuming that the sand does not react with the HCl(aq), what percentage of the mixture is sodium carbonate? Balanced equation: Na2CO3(s) + 2 HCl(aq) 2 NaCl(aq) + CO2(g...
October 5, 2010 by Jordin

Chemistry
given the balanced equation representing a reaction: 4NH3+5O2-->4NO+6H2O what is the minimum number of moles of O2 that are needed to completely react with 16 moles of NH3? (1)16 mol (2)20.mol (3)64 mol (4)80. mol i think its 2 but im not sure.
January 2, 2011 by Destinee

Chemistry/Electrochem
A concentration cell is built based on the following half reaction: Zn(2+) + 2e(-) > Zn E(o)=-0.761 Using two pieces of zinc of electrodes (each 100.0 g), two Zn(2+) solutions, 0.101M and 0.427M (both exactly 1.00 L in volume), and all the other materials needed for a ...
October 1, 2012 by Andres

chemistry
#1)hydrochloric acid is a relatively strong acid . imagine that HCl is added to a buffer solution containing the weak acid phosphoric acid and a salt a)will HCl react with weak acid (H3PO4), or will it react with the salt (Na2HPO4)? b)one product of this reaction will be a new...
August 23, 2011 by sandy

chemistry
calculate how many mL of 6M HCL are needed to prepare 100mL HCL solution with a concentration of ~1M?
October 10, 2011 by jj

chemistry
How much HCL would be needed to neutralize 250mL of 6 M NaOH (HCL = 1.5 M)?
February 23, 2012 by Rachel

Chemistry
How many milliliters of 7.00M HCl solution are needed to obtain 0.200mol of HCl?
October 15, 2012 by Chris

Chemistry
How many mL of 12M HCl is needed to create 350mL of 0.125M HCl?
March 28, 2013 by Katie

chemistry
Which of the following pairs of aqueous solutions will react when mixed? K2CO3 + HNO3 HCl + LiOH MgCl2 + KOH Li2S + HCl All of these solution pairs will produce reactions.
April 12, 2011 by Anonymous

Chemistry
Limestone (CaCO3) emits CO2 gas when exposed to HCl. What is the theoretical yield of CO2 if 56.1 grams of limestone is completely dissolved in HCl? CaCO3(s) + 2 HCl(aq) R CaCl2(aq) + CO2(g) + H2O(l) a. 21.5 g b. 4.16 g c. 9.53 g d. 24.7 g
June 5, 2013 by Anonymous

Science
mols of HCl= 0.1N X 0.5L=0.05 mols of HCl Therefore, number of mols of 2N NaOH needed to obtain pH 6.8: 0.05 mols HCL/2 = 25 mL Is this right? answered below.
February 5, 2007 by Ruby

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

chem
when water is added to solid calcium carbide, CaC2, acetylene gas, C2H2, and calcium hydroxide, Ca(OH)2 are produced. how many moles of calcium carbide are needed to completely react with 5.00 * 10^22 water molecules? can someone explain the steps
April 14, 2010 by herjaz

chemistry
A 337-\rm mL sample of unknown \rm HCl solution reacts completely with \rm Na_2CO_3 to form 17.1g \rm CO_2. What was the concentration of the \rm HCl solution?
April 7, 2013 by Lauren

Chemistry
A 495-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 18.1g CO2. What was the concentration of the HCl solution?
May 5, 2014 by Jenn

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
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

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

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
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 ...
November 21, 2010 by Ann

Chemistry
Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) If 2.00 g of Mg reacts completely with 50.0 mL of HCl solution, what is the molarity of the HCl solution?
July 9, 2011 by Jayne

Chemistry
How many milliliters of 0.277 M AgNO3 solution are needed to react completely with 47.1 mL of 0.278 M NaCl solution? How many grams of AgCl will be formed? The reaction is NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)
November 1, 2011 by Lynn

physics
If a polonium-210 (Po-210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po-210 nucleus? Hint: W = F*r F=kq1q2/r 2
January 14, 2011 by Marty

Physics
If a polonium-210 (Po-210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po-210 nucleus? Hint: W = F*r F=kq1q2/r
January 16, 2011 by Bobby

Physics
If a polonium-210 (Po-210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po-210 nucleus? Hint: W = F*r F=kq1q2/r
January 16, 2011 by Lucy

chemistry
What volume of hcl solution of density 1.2g/cm3 and containing 36.5% by weight hcl, must be allowed to react with zinc in order to liberate 4g of hydrogen The answer 333.3ml Who helps me step by step for me
July 4, 2014 by ken

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

Chemistry
OK I just need help with two final problems that I am stuck on: The problem states the calcium carbonate in limestone reacts with HCl to produce a calcium chloride solution and carbon dioxide gas CaCO3(s)+2HCl(aq)-->CaCl2(aq)+H2O(l)+CO2(g) 1)Find how many moles of CO2 form ...
December 9, 2010 by TT

re-apchem post
a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the temperature ...
April 12, 2009 by sarah

chemistry
10. If the calcium oxide were obtained by the heating of calcium hydroxide, how much hydroxide would be needed to obtain the 15.0 g? 11. If the 15.0 g of calcium oxide in the above problems were allowed to react with water, what amount of calcium hydroxide would be produced? ...
December 13, 2012 by greg

Chemistry
What is the concentration of HCl when 25.0 mL of HCl completely reacts with 10.0 mL of 0.1M solution of NH4OH (subscript 4)? Solution steps would be helpful so I can solve other similar problems.
November 22, 2010 by Cody

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