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December 18, 2014

Search: HNO3

Number of results: 679

chemistry
One liter of approximetely 0.25N HNO3 has been prepared. Upon titration it was found that 5.0 ml of the acid required 11.0 ml of 0.10N NaOH for neutrality. How much concetrated HNO3 at 15.8N must be added to one liter to make it exactly 0.25N?
September 8, 2010 by sp

chemistry,math
One liter of approximetely 0.25N HNO3 has been prepared. Upon titration it was found that 5.0 ml of the acid required 11.0 ml of 0.10N NaOH for neutrality. How much concetrated HNO3 at 15.8N must be added to one liter to make it exactly 0.25N?
August 23, 2010 by jc

Chemistry
Classify the following as: Weak or strong acid, weak or strong base, salt (from weak/strong acid and base). If appropriate, split the formula into its component ions. HNO3 So far, all I have is: HNO3 + H2O -> NO3^- + H3O^+ And I know HNO3 is a strong acid. What would I do ...
May 26, 2007 by Raj

math,science,lab
One liter of approximetely 0.25N HNO3 has been prepared. Upon titration it was found that 5.0 ml of the acid required 11.0 ml of 0.10N NaOH for neutrality. How much concetrated HNO3 at 15.8N must be added to one liter to make it exactly 0.25N?
August 23, 2010 by jc

chemistry help
Nitric acid,HNO3, is available ata a concentration of 16 M. how much would react with 5.58 g of KOH acording to the following equation? HNO3+KOH-H2O+KNO3 dont understand? does not give me a volume amount to work with and I really dont understand how to solve it
November 21, 2010 by nicole

Science ms. Sue please help!
How would you prepare 100.0 mL of 0.07500 M AgNO3 solution starting with pure solute? 2. An experiment calls for you to use 250 mL of 1.0 M HNO3 solution. All you have to available is a bottle of 6.0 M HNO3. How would you prepare the desired solution?
December 4, 2013 by Alice In Wonderland

Chem
Nitric acid is produced commercially by the Ostwald process, represented by the following equations: 4NH3(g) + 5O2(g) > 4NO(g) + 6H2O(g) 2NO(g) + O2(g) > 2NO2 (g) 3NO2(g) + H2O(l) > 2HNO3(aq) + NO(g) What mass of NH3 must be used to produce 1.0x10^6 kg HNO3 by the ...
February 2, 2007 by Shawn

Chemistry
Can someone please explain this problem to me step by step pleaseeeeeee? In the following acid—base neutralization reaction HNO3 (aq)+ KOH (aq)---KNO3(aq) + H2O(I) What is the molarity (M) of an HNO3 solution if 50.0ml is needed to react with 25.0ml of 0.150M KOH solution?
October 23, 2012 by Tasha

Chemistry
Ca(OH)2, CaF2, NH4NO3, KNO3, HNO3 - Arrange the solutions from most basic to most acidic. I know Ca(OH)2 will be most basic and HNO3 will be most acidic, but how do you determine for the other ones?
April 4, 2013 by a Canadian

CHEM
Will you please tell me if these are right? Write the symbol of the caton or anion that give(s) the following reaction:? 1. Forms a precipite with AgNO3 that does not dissolve in HNO3 2. Forms a gas with HCl 3. Give a bright, yellow-orange flame test 4. Forms a precipitate ...
November 7, 2010 by Jason

chemistry
nitric acid is composed of HNO3 molecule.A sample of 4.50 g was obtained. calculate the number of oxygen atom in the sample. this is what i do .can u check if i am wrong or miss something answer : mole HNO3 = 4.50g/63 = 0.07 mol mole : no of particle/NA = 0.07x (avogardo ...
November 29, 2014 by sweet sour

Chemistry
1. In order to make 250mL of a 0.100 M HNO3 solution from a 15.9 M stock solution, then _____mL if the 15.9 M stock HNO3 solution is needed. M1V2=M2V2, solve for V2. (0.100M * 250mL)/ 15.9M = 1.6mL V2-V1=V 1.6mL-250= -248.4 Did I do this correctly?
July 30, 2014 by Queen

Chemistry
A solution is made by mixing 12.0 g of NaOH and 75.0 ml of 0.200 M HNO3 a) write a balanced equation for the reaction that occurs between the solutes. b) Caclulate the concentration of each ion remaining in solution. c) Is the resultant solution acidic or basic? O.k. I am ...
September 18, 2007 by Sara

CHEMISTRY
A solution is made by mixing 12.0 g of NaOH and 75.0 ml of 0.200 M HNO3 a) write a balanced equation for the reaction that occurs between the solutes. b) Caclulate the concentration of each ion remaining in solution. c) Is the resultant solution acidic or basic? O.k. I am ...
September 18, 2007 by Sara

Chemistry
The balanced net ionic equation for the neutralization reaction involving equal molar amounts of HNO3 and KOH is ________. Express your answer as a chemical equation. Identify all of the phases in your answer. I thought it was this: HNO3(aq)+KOH(aq)-> H2O(l)+ KNO3(aq) Am I ...
March 17, 2012 by Anonymous

Chemistry
1. What molarity is needed so that 5mL diluted to 475 mL will yield 0.1M? For this one I used M1V1=M2V2 and got 9.5M just checking to see if I did that right. 2. How much 2.5 HNO3 can be made from 7.0mL of a 16.0M HNO3 soltuion? I tried using M1V1=M2V2 for this one too but ...
June 2, 2013 by helppp please

Chemistry
My head is spinning from this chapter! I've done most of the questions by myself but I have no idea what formulas I should use for these last two. Can you walk me through them so I can understand what I need to do? 1. What volume of 5.0 M HNO3 is required to neutralize 2500 ...
September 26, 2014 by Lissa

chemistry
A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine the delta H (in units...
July 12, 2012 by jen

chem urgent!
Set up a Hess's law cycle, and use the following information to calculate ÄH°f for aqueous nitric acid, HNO3(aq). You will need to use fractional coefficients for some equations. 3 NO2(g) + H2O(l) 2 HNO3(aq) + NO(g) ÄH° = -138.4 kJ 2 NO(g) + O2(g) 2 NO2(g) ÄH° = -114 kJ 4 NH3(...
November 6, 2012 by hannah

Chemistry
I have a few question for my review. 1) How would you prepare 30.0 ml of 0.600M HNO3 From a stock solution of 4.00M HNO3? What volume in ML of the 4.00 M HNo3 will you need? 2) if a 83.5 & was repoarted for a reaction that could have produced 12.1 g of product? what was the ...
October 10, 2013 by Matt

chemistry
Nitric acid is produced commercially by the Ostwald process, represented by the following equations. 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g) 2 NO(g) + O2(g) 2 NO2(g) 3 NO2(g) + H2O(l) 2 HNO3(aq) + NO(g) What mass in kg of NH3 must be used to produce 4.4 multiplied by 106 kg HNO3...
August 1, 2013 by Kris

Chem
Nitric acid is produced commercially by the Ostwald process, represented by the following equations: 4NH3(g) + 5O2(g) > 4NO(g) + 6H2O(g) 2NO(g) + O2(g) > 2NO2 (g) 3NO2(g) + H2O(l) > 2HNO3(aq) + NO(g) What mass of NH3 must be used to produce 1.0x10^6 kg HNO3 by the ...
January 26, 2007 by Shawn

Chemistry
1. calculate the volume of concentrated HNO3 (68%)that is needed to prepare stock solution 0.25M in 1000mL volumetric flask. (density HNO3 = 1.513 g/cm^3) 2. from above stock solution, determine volume needed to dilute to 500mL volumetric flask that contained 10 times dilution.
July 10, 2013 by Susan

chemistry
Please help!... Lakes that have been acidified by acid rain (HNO3 and H2SO4) can be neutralized by a process called liming, in which limestone (CaCO3) is added to the acidified water. Write ionic and net ionic equations to show how limestone reacts with HNO3 and H2SO4 to ...
October 12, 2010 by Anonymous

analytical chemistry
the problem is find the pH of a solution prepared by dissolving all of the following in sufficient water to yield 1.00 L of solution :0.180 mole of chloroacetic acid (CICH2CO2H),0.020 mole ofCICH2CO2Na,0.080 mole HNO3, and 0.080 mole Ca(OH)2. Assume that the Ca(OH)2 and HNO3 ...
March 31, 2013 by lolo

chemistry
9). What is the balanced equation for the acid–base reaction of nitrous acid with lithium hydroxide? LiOH(aq) + HNO3(aq)  H2O(l) + LiNO3(aq) Li(OH)2(aq) + 2 HNO3(aq)  2 H2O(l) + Li(NO3)2(aq) LiOH(aq) + HNO2(aq)  H2O(l) + LiNO2(aq) 2 LiOH(aq) + H2NO2(aq...
November 28, 2011 by denis

Chemistry - DrBob222
Alright, I've made a list of reactions that would produce precipatations. NaCl + Zn CaCl2 + NaOH CaCl2 + Zn CaCl2 + Na2SO4 CuSO4 + NaOH CuSO4 + Zn NaOH + AgNO3 NaOH + Zn BaOH2 + AgNO3 BaOH2 + Zn BaOH2 + Na2SO4 So this way I can figure if it is NaCl, CaCl2, CuSO4, NaOH,Ba(OH)2...
November 11, 2007 by Raj

Chemistry
Experiment Na2C2O4 is added to Pb(NO3)2.Precipitate forms (I think its PbC2O4). After the liquid above was decanted to another container. Dilute HNO3(aq) was added to it. The decanted cloudy solution cleared up a little but it was kinda cloudy still. Im not sure how PbC2O4(s...
April 1, 2012 by Andy

Chemistry
A solution is prepared by adding 50.3 mL of concentrated hydrochloric acid and 16.6 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint: Concentrated HCl is 38% HCl...
February 28, 2012 by Andre

Chemistry
A solution is prepared by adding 47.3 mL of concentrated hydrochloric acid and 16.3 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint: Concentrated HCl is 38% HCl...
May 21, 2012 by Andrew

chemistry
in HNO3 titration, you add few drops of phenolphthalein indicator to 50.0 mL of acid in a flask. you quickly add 20.00 mL of 0.0547 M NaOH but overshoot the end point, and the solutions turn deep pink. instead of starting over, you add 30.00 mL of acid, and the solution turns ...
September 27, 2014 by shane

Chemistry
NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l) How do I calculate the oxidation states of Nitrogen and figure out if it is reduced, oxidized or neither? My answer is below. I am not sure if I am figuring it right. Please advise. NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l) N is -3,H3 is +1...
May 4, 2010 by Carli

chemistry
Nitric acid can be prepared from ammonia by the following steps; 4nh3 + 5o2 = 6h2o + 4no 2no + O2 = 2no2 2no2 + h2o = hno3 + hno2 3hno2 = hno3 + 2no + h2o If all the steps take place consecutively, completely and without recycling, what mass of ammonia is needed to give 6.3g ...
March 20, 2013 by Agashre

Jefferson
Nitric acid and zinc react to form zinc nitrate, ammonium nitrate, and water. 4Zn(s) + 10HNO3(aq)→ 4Zn(NO3)2(aq) + NH4NO3(aq) + 3H2O(l) A. How many atoms of zinc react with 1.49g HNO3? B. Calculate the number of grams of zinc that must react with an excess of HNO3 to ...
January 7, 2013 by Gloria

chemistry
Nitric acid and zinc react to form zinc nitrate, ammonium nitrate, and water. 4Zn(s) + 10HNO3(aq) → 4Zn(NO3)2(aq) + NH4NO3(aq) + 3H2O(l) A. How many atoms of zinc react with 1.49g HNO3? B. Calculate the number of grams of zinc that must react with an excess of HNO3 to ...
January 7, 2013 by Anonymous

chemistry
what is the net ionic equation for the following molecular equation. HNO3 is strong electrolyte and CH3COOH is weak electrolyte. NaCH3COO(aq)+HNO3(aq)----->NaNO3(aq)+CHOOH(aq) the same question says use H+ for the hydronium ion, CH3OOH for acetic acid and CH3COO for the ...
March 1, 2014 by Kay

chemistry
When nitrogen dioxide (NO2) from car exhaust combines w/ water in the air it forms nitric acid (HNO3), which causes acid rain, and nitrogen monoxide. 3NO2(g)+ H2O(L)----->2HNO3(aq)+ N(g) a.How many molecules of NO2 are needed to react with 0.300 mole H2O? b. how many grams ...
October 19, 2012 by anonymous 78

Chemistry
What will be the pH of: (a)10.0cm3 of an aqueous solution of 0.001mol dm^-3 nitric aicd, HNO3 (aq)? (b)100cm3 of an aqueous solution of 0.001mol dm^-3 nitric aicd, HNO3 (aq)? (c)0.02mol dm^-3 of potassium hydroxide solution, KOH (aq)? For (a) I got 2, (b) 1 and (c) 12.31. I am...
November 17, 2009 by Anonymous

Chem Check Please!!!
1) Assuming the following reaction proceeds in the forward direction, 3 Sn4+(aq) + 2 Cr(s) ---> 3 Sn2+(aq) + 2 Cr3+(aq) a.Sn4+(aq) is the reducing agent and Cr(s) is the oxidizing agent. b.Cr(s) is the reducing agent and Sn2+(aq) is the oxidizing agent. c.Sn4+(aq) is the ...
May 2, 2014 by Chris

johnson
Work these titration calculations: 1. A titration of 15.0 cm3 of household ammonia, NH3, required 38.57 cm3 of 0.78M HCl. Calculate the molarity of the ammonia. 2. What volume of 0.5M HNO3 is required to neutralize 25 cm3 of a 0.2M NaOH solution? 3. Calculate the volume of 0....
June 18, 2012 by Lemun

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? Ok. I got 0.015 mol HCl and 0.1 mol HNO3. Do I just add the moles...
May 22, 2010 by Heather

Chemistry
Th pH of 0.00010 M HNO3
April 27, 2010 by Lisa

chemistry
Calculate the pH of 3.9 10-8 M HNO3.
November 28, 2010 by justin

chemistry
MgO + HNO3 =
October 24, 2012 by bhanuka

chemistry
MgO + HNO3 = ?
October 24, 2012 by bhanuka

chemistry
A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine the delta H (in units...
November 10, 2010 by Kristy

Chemistry
The question says write a reaction for the ionization of the following compound in water. Identify the acid, the base, the conjugate acid, and the conjugate base in each of them. 1. H2SO4 2. KOH 3. CH3COOH 4. NH3 5. HNO3 My guesses are: H2SO4 + H2O -> H3O+ + HSO4- KOH + H2O...
May 31, 2009 by Samantha

Chemistry
Even if you can help answer one that would be a great help! 1. How many liters of NO(g) are produced when 0.85L of 2.00M HNO3 solution is added to 216g according to the equation. Which reactant is the limiting reactant? 3 Ag + 4 HNO3 -> 3 AgNO3 + NO + 2 H2O3 2. Calculate ...
October 20, 2013 by P.

Titration/Acid-base chem
a .4000 M solution of nitric acid is used to titrate 50.00 mL of .237 M barium hydroxide (Assume that volumes are additive). a) Write a balanced net ionic equation for the reaction that takes place during titration. b) what are the species present at the equivalence point? c) ...
May 6, 2007 by Keith

CHEMISTRY
What is reaction between HI+HNO3
February 21, 2010 by RAJ

chemistry
what is the pH of .28 M HNO3 (aq) at 25 degree celsius? (Kw = 1.0 x 10 ^-14)
March 14, 2010 by elizabeth

chemistry
45.0 ml of 9.0x10 the negative 2m hno3
April 18, 2010 by jenifer

Chemistry
HNO3(aq)+Li2S(aq) produces ?
October 10, 2010 by Anonymous

chemistry
3.0 g Al +HNO3 > Al(NO3)3 + H2 =how many liters
October 22, 2010 by kelly

Chem
Why is BaSO4 insoluble in HNO3?
November 15, 2010 by Molly

Biochemistry
What is the concentration of HNO3 in a solution that has a pH of 3.4?
January 24, 2011 by Freddy

Chem
How do you find the pH for 0.010M of HNO3?
April 18, 2011 by Leena

chemistry pH
calculate [H^+] and the pH of 0.025M of HNO3
March 9, 2013 by holly

Chemistry
What is the pH of a 0.200 M solution of HNO3? a. 0.70 b. 1.31 c. 6.18 d. 8.53
June 5, 2013 by Anonymous

chemistry
help balance HNO2+HNO3
December 3, 2013 by lindy

Chem
How do i balance Cu(NO3)2 + HNO3
April 30, 2014 by Anonymous.

Chemistry
What quantity of HNO3 can be neutralized by 0.1L of 0.50 m NaOH
March 29, 2011 by Omar

Chemistry
What quantity of HNO3 can be neutralized by 0.1L of 0.50 m NaOH
March 29, 2011 by Omar

Chemistry
how do you find PH of 0.010 M HNO3 solution?
April 5, 2011 by Courtney

Chemistry
How many mL of Water are made from 4 moles of HNO3?
April 11, 2011 by Alyssa

organic chemistry
calculate the pH of a 1.25 x 10^-3 M HNO3 solution
May 2, 2011 by kathy

chemistry
calculate for strong electrolyte the ph of 0,1M pf HNO3
June 12, 2011 by gabriel

Chemistry
How much HNO3 can be made from 25.0g of NO2?
June 23, 2011 by Dee

chemistry
What is the molarity of OH- in an aqueous solution that is 0.31 M HNO3?
December 3, 2011 by Priscilla

chemistry
Calculate the pH of a 0.0019 M HNO3 solution.
February 29, 2012 by krystal

chemistry
Calculate the pH of a 0.0019 M HNO3 solution. 2.7
February 29, 2012 by krystal

chemistry
what is the balanced equation for Mg+HNO3==>Mg(NO3)2+H2
April 24, 2012 by Jay Jay

Chemistry
what would the product be of HNO3 is heated
March 9, 2014 by Michael

smi181q
calculate the pH at 25c of 0.080moldm-3 HNO3
October 16, 2014 by Ephodia

Chemistry
A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine the delta H (in units...
November 10, 2010 by Kristy

Chemical Equations
How do you balance Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O
January 6, 2010 by Anomynous

physical science
which substance is a base in this equation, Ba(OH)2 + 2 HNO3
May 10, 2010 by sue

Chemistry
How many milliliters of 8.40×10^2M Ba(OH)2(aq) are required to titrate 48.65mL of 5.26×10^2M HNO3?
October 6, 2010 by Kaylee

chemistry
why solution always prepared in HCl and not in HNO3 ?????????
April 14, 2011 by hira

chemistry
How many moles of hno3 neede to prepare 7.5 l of a 5.6m solution
March 19, 2013 by krystal

chemistry
please i need example of hno3 cuo
May 8, 2013 by lucky

chemistry
balanced equation for the reaction of HNO3 + STARCH +KI
May 15, 2013 by lethabo

chemistry
How do you balance this equation? Zn(s) + HNO3(aq)--> Zn(NO3)2(aq) + N2O(g) + H2O(l)
March 15, 2010 by Ana

chemistry
how many moles of solute is present in 40.0mL of 1.000 M of HNO3
September 14, 2010 by Lauren

Chemistry
How many moles of HNO3 are present in 35.0 mL of a 2.60 M solution of nitric acid?
October 7, 2010 by Veronica

chemistry
Could we use HCl instead in HNO3 in Volhard method?
November 5, 2010 by darika

Science
__ NH4NO3 (s) --> __ NH2 (g) + __ HNO3 (l) Please balance equation!
February 10, 2011 by Ronaldo

chemistry
a solution is made by mixing 14.5g of NaOH and 72.0 mL of 0.250 M HNO3
March 4, 2011 by Anonymous

science
balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)
March 7, 2011 by emma

science
balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)
March 7, 2011 by emma

science
balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)
March 7, 2011 by Anonymous

science
balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)
March 7, 2011 by emma

science
balance hcl(aq) + agno3(aq) yields hno3(aq) +AgCl (aq)
March 7, 2011 by emma

chemistry
What are the products of a reaction between NaCl, HNO3, and AgNO3?
March 13, 2011 by Neil

Chemistry
In the test for chloride ion why is it necessary to acidify with hno3
May 25, 2011 by Agu

chemistry
what is the following reaction? HNO3(aq) + KOH(aq) ---> KNO3(aq) + H2O(l)
June 21, 2011 by miranda

Chemistry
A solution is prepared by diluting concentration HNO3 to 2.0 M,Calculate PH.
November 23, 2011 by Ethio

physical science
What is the pH of a 0.01 M solution of the strong acid HNO3 in water?
January 23, 2012 by breiann

Chemistry
How many milliliters of .100 M HNO3 are needed to neutralize 58.5 mL of .0100 Al(0H)3?
February 17, 2012 by Emily

chemistry
Calculate the molarity of 38.5 mL of 1.80 M HNO3 diluted to 0.130 L with water
November 17, 2012 by Linda

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