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December 5, 2016

# Search: HNO3

Number of results: 830

Chemistry
How many mL of a 0.5M Ca(OH)2 solution are needed to neutralize 38 mL of a 2M HNO3 solution? ANSWER IS: x = multiply / = divide 38mL HNO3 X 1 L HNO3 x 2M HNO3 x 1 L Ca(OH)2 x 2M Ca(OH)2 x 1000 mL / 1000 mL/1L HNO3/..5mL Ca(OH)2/1M HNO3/1L = 304 mL Ca(OH)2
May 1, 2016 by ChemistryAngel

Chemistry
How many mL of 3.00M HNO3 would you need to make exactly 100mL of 0.83 HNO3 by dilution with water? (The FM of HNO3 = 63.0.)
March 14, 2012 by Lauren

chemistry
How would you make up 255 mL of 0.150 M HNO3 from nitric acid that is 68.0% HNO3? The density of 68.0% HNO3 is 1.41 g/mL.
July 30, 2011 by Henry

Chemistry, #4
Calculate the concentration of an aqueous HNO3 solution that has a pH=5.08. pH = 5.08. Convert that to (H^+). Since HNO3 is a strong acid and it is 100% ionized, (H^+) = (HNO3).
August 3, 2007 by Taasha

Chemistry
A student performing an experiment mistakenly used 8.0 ml of 16 M HNO3 to dissolve 0.16g of solid copper instead of the 4.0 ml as suggested. how many moles of HNO3 remains after the reaction with copper is complete. 8 moles of HNO3 reacts with 3 moles of Cu im not sure how i ...
September 29, 2016 by Anonymous

Chemistry II
What volume of .0500 M calcium hydroxide is required to neutralize 38.50 mL of .0400 M nitric acid? 1. Write the equation. 2. M HNO3 x L HNO3 = mols HNO3. 3. Use the equation to convert mols HNO3 to mols Ca(OH)2. 4. Now use M x L = mols to calculate volume (L) Ca(OH)2. I ...
April 25, 2007 by Jayd

CHEMISTRY !!! HELP !
Calculate the pH of the solution after the addition of the following amounts of 0.0617 M HNO3 to a 70.0 mL solution of 0.0750 M aziridine. The pKa of aziridinium is 8.04. 1)Volume of HNO3 equal to the equivalence point 2)89.5mL of HNO3 I got pH= 7.37 for 1 but i believe I ...
September 26, 2015 by Owen

Chemistry
A volume of 29.62 ± 0.05 mL of HNO3 solution was required for complete reaction with 0.8896 ± 0.0008 g of Na2CO3, (FM 105.988 ± 0.001). Find the molarity of the HNO3 and its absolute uncertainty. I have the molarity of HNO3 = 0.5667
August 29, 2012 by Amanda

chemistry
A volume of 29.62 ± 0.05 mL of HNO3 solution was required for complete reaction with 0.8896 ± 0.0008 g of Na2CO3, (FM 105.988 ± 0.001). Find the molarity of the HNO3 and its absolute uncertainty. I have the molarity of HNO3 = 0.5667
August 30, 2012 by Amanda

Chemistry
How many mL of concentrated HNO3 (conc. HNO3 is 16 Molar)will be needed to make 1.25 Liters of 9 Molar HNO3?
December 5, 2012 by Anonymous

General Chemistry
An experiment calls for you to use 100 mL of 0.65 M HNO3 solution. All you have available is a bottle of 2.7 M HNO3. How many milliliters of the 2.7 M HNO3 solution do you need to prepare the desired solution?
September 29, 2015 by Anonymous

chem
For the reaction 3NO2 + H2O  2HNO3 + NO, how many grams of HNO3 can form when 1.00 g of NO2 and 2.25 g of H2O are allowed to react? This is a limiting reagent problem. 1. Write the equation. You have done that and it is balanced. 2. Convert 1.00 g NO2 and 2.25 g H2O to mols. ...
February 28, 2007 by meghan

Chemistry
HNO3 used as a reagent has a specific gravity of 1.42 g/ mL and contains 70% by strength HNO3. Calculate: Volume of acid that contains 60 g pure acid? Volume of water required to make 1 molar solution from 2 mL concentrated HNO3?
August 7, 2014 by Anonymous

CHEMISTRYY!
Determine if HNO3 can dissolve in the following metal: 1) Write a balanced chemical reaction showing how the 2.09g Cu dissolves in HNO3. I had put down: Cu(s) + 4HNO3(aq) ——> Cu(NO3)2(aq) + 2NO2(g) + 2H2O(l) but it's wrong. 2) Determine the minimum volume of 6.3M HNO3 ...
March 31, 2013 by Lisa

chemistry
The density of 19.0% by mass of nitric acid, HNO3 is 1.11 g cm-3. Calculate the volume (dm3) of acid needed to prepare 2.00 dm3 of 3.00 mol dm-3 HNO3 solution. (FW HNO3 = 63 g/mol)
March 28, 2014 by h

Chemistry
May 8, 2014 by Alex

chemistry
A commercial sample of concentrated aqueous nitric acid (HNO3) is 18.2% nitric acid base mass and has a density of 1.12 g/mL. (a) What is the molarity (M) of the HNO3 solution? (b) What is the molality (m) of the HNO3 solution? -------- I know that.... (a) molarity = moles of ...
January 21, 2009 by Sarah

Science(Chemsitry)
HNO3 used as a reagent has specific gravity of 1.42g/ml and contains 70% by strength HNO3. Calculate a)Normality Of Acid b)Volume of acid that contains 63g pure acid c)Volume of water required to make 1N solution from 2ml conc.HNO3
June 16, 2011 by Atul

CHEMISTRY
HOW YOU PREPARE 30.0ML OF 0.800M HNO3 FROM A STOCK SOLUTION OF 4.OOM HNO3? WHAT SOLUTION IN ML OF THE 4.OOM HNO3 SOLUTION WILL YOU NEED?
April 10, 2011 by SARAH

chemistry
20% of HNO3 reacts with 10g of Caco3 by weight then find the quantity of HNO3?
February 10, 2013 by Anand mishra

chemistry
25 ml of 3M hno3 are mixed with 75ml of 4.0M HNO3 if volumes are additive then find molarity
April 18, 2015 by Anonymous

chemistry
how would you prepare 60.0 mL of 0.200 M HNO3 from a stock solution of 4.00 M HNO3?
September 29, 2010 by Michael

chemistry
What volume of 6.58 M HNO3 is required to prepare 671 mL of a 2.7 M HNO3 solution?
September 13, 2012 by cheri

AP Chemistry
What volume of 6.48 M HNO3 is required to prepare 301 mL of a 1.2 M HNO3 solution? Answer in units of mL.
October 24, 2010 by Anonymous

Chemistry
What volume of 5.26 M HNO3 is required to prepare 236 mL of a 1.4 M HNO3 solution? Answer in units of mL
September 15, 2011 by Anonymous

Chemistry
help...If exactly 5.0 mL of HNO3 will neutralize 15 mL of 2.0 M NaOH, what is the molarity of the HNO3 solution? Have no idea what to do. thank you.

chemistry
How many milliliter of conc. HNO3 would be necessary to prepare 500ml of 20% of HNO3 solution?
August 30, 2012 by Jake

chemistry
what volume of water should be added to 300ml of HNO3 0.25M to obtain HNO3 0.2M?
September 7, 2012 by gaby

ap chemistry
What volume of 6.58 M HNO3 is required to prepare 671 mL of a 2.7 M HNO3 solution? Answer in units of mL
September 13, 2012 by cheri

AP Chemistry
What volume of 3.16 M HNO3 is required to prepare 524 mL of a 0.2 M HNO3 solution? Answer in units of mL.
September 19, 2012 by Matt

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
What volume of 0.105 M HNO3, in milliliters, is required to react completely with 1.40 g of Ba(OH)2? 2 HNO3(aq) + Ba(OH)2(s) Ba(NO3)2(aq) + 2 H2O(l)
September 23, 2010 by Noelle

chemistry
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
December 5, 2011 by diana

CHEMISTRY
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 contains how many moles of HNO3? how did you get the answer
December 5, 2011 by diana

Chem 106
Calculate the grams of HNO3 in 35.0 ml of a 6.00 M HNO3 solution
April 8, 2010 by jessica

Chemistry
Determine the mass of each reactant needed to give 1.5 mol of HNO3 NO2(g)+H2O(l)---> HNO2(aq)+HNO3(aq)
October 7, 2009 by Sandy

chemistry
How many milliliters of a stock solution of 12.0M HNO3 would you have to use to prepare 0.400M of 0.390 HNO3 ?
September 25, 2010 by riah

chem
A 75.0 mL volume of 0.200 M NH3 (Kb=1.8x10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 28.0 mL of HNO3.
April 20, 2011 by Mike

chem
A 75.0 mL volume of 0.200 M NH3 (Kb=1.8x10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 28.0 mL of HNO3.
April 20, 2011 by Mike

chemistry
A 116.9 g sample of nitric acid solution that is 70.0% HNO3 (by mass) contains how many moles of HNO3? how did you get the answer
December 5, 2011 by DIANA

Chem
A 75.0 mL volume of 0.200 M NH3 (Kb=1.8x10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 28.0 mL of HNO3.
April 2, 2014 by Billy Bob Reynolds

CHEM
how many milliliters of a stock solution of 6.0 m hno3 would you have to use to prepare 110mL of 0.500 M HNO3?
July 14, 2014 by Ambra

Chemistry
What volume of dry NO at 25°C and 1.00 atm can be prepared by reacting 6.35 g of Cu with 25.0 mL of 6.0 M nitric acid, HNO3? 3 Cu(s) + 8 HNO3(aq) --> 3 Cu(NO3)2(aq) + 2 NO(g)+ 4 H2O(l)
November 15, 2016 by Anonymous

Chemistry
In a 1.0x10^-6 M soltution of HNO3(aq), identify the relative molar amounts of these species. H2O , HNO3, H3O+,NO3-, OH-
October 17, 2011 by Alexis Moran

CHEMISTRY
In a 1.0x10^-6 M soltution of HNO3(aq), identify the relative molar amounts of these species. H2O , HNO3, H3O+,NO3-, OH-
October 17, 2011 by Alexis Moran

chemistry
How many milliliters of 0.524 M HNO3 contain 3.13 g HNO3?
October 28, 2012 by bebo

Chemistry
How do i prepare 17% HNO3 from 69%-70.5% HNO3 of 1.42g/ml density
December 3, 2015 by Zhuky

Chemistry
When the following equation is balanced with the smallest integral coefficients, the coefficient of the HNO3 is Li2CO3(s) +HNO3(aq) -- LiNO3(aq)+H2O(l)+CO2
September 29, 2011 by Monique

Molarity
A 15.7mL sample of HNO3 reacts to neutralize 27.7mL of 0.187M KOH solution. What is the molarity of the HNO3 solution? HNO3 + KOH ==> KNO3 + HOH mols KOH = L x M = 0.0277 x 0.187 = ?? mols HNO3 = mols KOH (1 mol reacts with 1 mol). mols HNO3 = L x M You have mols HNO3 and L...
February 25, 2007 by Kellie

chemistry
How many milliliters of 16.0 M HNO3 stock solution wouuld be required to prepare 100.0mL of 3.00 M HNO3? Use the formula M1V1=M2V2
January 23, 2012 by missy

chemistry
If a sample of HNO3 is found to contain 8.44 · 10-2 mol of N atoms how many moles of HNO3 molecules are present? Express your answer in scientific notation.
April 3, 2013 by Katie

Chemistry
In a 1.0 x10-6 M of HNO3 (aq) at 25 degrees celsius identify the relative molar amounts of theses species HNO3- H3O+ OH- NO3- H2O
February 21, 2014 by Joe

Chemistry
For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution? 1. 0.137 L 2. 0.0343 L 3. 0.275 L 4. 1.32 L 5. 0.662 L 6. 0.330 L
April 14, 2015 by Radio Active Wear

Chem
In a 1.0x10^-6 M solution of HNO3(aq) at 25 degrees C, identify the relative molar amounts of species from most to least. HNO3 H3O+ H2O OH- NO3-
February 20, 2014 by Mer

science
A solution of HNO3 has a pH of 4.5, What is the molarity of HNo3?
April 26, 2011 by Ray

chemistry
If 25ml of 3M HNO3 AND 75ml of 4M HNO3 ar
August 1, 2015 by murtaza

chemistry
A 40.0 mL sample of 0.150 M Ba(OH)2 is titrated with 0.400 M HNO3. Calculate the pH after the addtion of the following volumes of acid, and plot the pH versus millimeters of HNO3 added. a. 0.00 mL b. 10.2 mL c. 19.9 mL d. 30.0 mL e. 39.8 mL
June 27, 2011 by Cindy

chemistry
How many milliliters of concentrated nitric acid, HNO3, 70 % (wt/wt) are required to prepare 1 liter of 0.250 M solution? The molar mass and density of HNO3 are 63.0 g/mol and 1.36 g/cm respectively.
November 4, 2016 by karen

Chemistry
What will be the molarity of the resulting solutions made by mixing the following? Assume that volumes are additive. 91 mL of 0.42 M HNO3 with 59 mL of 1.6 M HNO3 i know that i'm going to use the formula M1V1=M2V2, but i'm not sure what numbers to substitute to where.
April 27, 2011 by Sam

Chemistry
Given the following chemical equation: 3 Cu + 8 HNO3 = 3 Cu(NO3)2 + NO + 4 H2O. How many moles of HNO3 are required to react with 6 moles of Cu?
July 14, 2008 by Persia

chemistry
To what volume should you dilute 48mL of a 13M stock HNO3 solution to obtain a 0.122 HNO3 solution?
October 2, 2010 by Anonymous

chemistry
An HNO3 solution has a pH of 3.04. What volume of 0.015 M LiOH will be required to titrate 89.0 mL of the HNO3 solution to reach the equivalence point?
January 5, 2012 by Anonymous

chemistry
A 0.115-L sample of an unknown HNO3 solution required 31.1 mL of 0.100 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution?
July 7, 2012 by Anonymous

Chemistry
A 0.110-L sample of an unknown HNO3 solution required 52.1 mL of 0.150 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution?
November 9, 2013 by Lori

Chemistry 103
To what volume should you dilute 50ml of a 13M stock HNO3 solution to obtain a 0.131M HNO3 solution?
October 7, 2012 by YeJi

Chemistry
Suppose that 10.9 mL of HNO3 is neutralized by 83.9 mL of a 0.0021 < solution of KOH in a titration. Calculate the concentration of the HNO3 solution. Answer in units of M
March 21, 2013 by Laura

Chemistry
Suppose that 10.9 mL of HNO3 is neutralized by 83.9 mL of a 0.0021 < solution of KOH in a titration. Calculate the concentration of the HNO3 solution. Answer in units of M
March 21, 2013 by Laura

chemistry
calculate the PH at the 60ml of .200M aniline (kb=3.2x10^-6) with .200M HNO3 solution before acid is added after 0,19,70 ml of HNO3

chemistry
Calculate the volume of a 9.00 M HNO3 stock solution that must be used to prepare 450 mL 0f a 1.80 M HNO3 solution.
May 7, 2008 by katie

Chemistry
3 NO2(g) + H2O(l)--->2 HNO3(aq) + NO(g) Suppose someone needs 25.0 kg of HNO3. How much NO2 should they start with to end up with the amount they need?
April 20, 2015 by Ajay

chemistry
Could you help me complete these equations. I can balance them after NaOH (aq) + HI (aq) ---> LiHCO3 (aq) + HI (aq) ---> HCl (aq) + NaHCO3 (aq) --> Na2CO3 (aq) + HBr (aq) --> HNO3 (aq) + KHCO3 (aq) --> HBr (aq) + NH3 (aq) ---> HNO3 (aq) + Ca(OH)2 (aq--->
February 20, 2008 by Amy

Chemistry
A sample of conc. nitric acid has a density of 1.41g/ml and contains 70% HNO3 by mass. What mass of HNO3 is present per L of solution? What is the molarity?
February 15, 2009 by Tree Frog

chemistry
Describe in detail, the steps a student needs to carry out to accurately obtain a 500 ml solution of .100 M HNO3 from a solution of 1M HNO3
April 13, 2012 by Angelica

science
An experiment calls for you to use 100. mL of 0.91 M HNO3 solution. All you have available is a bottle of 5.00 M HNO3. How would you prepare the desired solution
December 17, 2012 by Samantha

chemistry
when 50 ml of an HNO3 solution is exactly neutralized by 150 ml of a 0.50 M solution of KOH, what s the concentration of HNO3
May 17, 2011 by bee

AP Chemistry
Nitric acid is a strong acid. Does this mean that a) HNO3 dissociates completely to H+ (aq) and NO3 ^1- (aq) when it dissolves in water OR b) aqueous solutions of HNO3 contain equal concentrations of H+(aq) and OH- (aq) Thank you!
February 24, 2010 by DrBob222 fan :)

chemistry
Nitric acid is a strong acid. Does this mean that a) HNO3 dissociates completely to H+ (aq) and NO3 ^1- (aq) when it dissolves in water OR b) aqueous solutions of HNO3 contain equal concentrations of H+(aq) and OH- (aq) Thank you!
February 24, 2010 by someone

chemisrty
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
November 21, 2010 by nicole

Chemistry
If 0.630 grams of HNO3 (molecular weight 63.0) are placed in 1 liter of distilled water at 25 degrees C, what will be the pH of the solution? (Assume that the volume of the solution is unchanged by the addition of the HNO3.) A. 0.01 B. 0.1 C. 1 D. 2 E. 3
January 24, 2011 by Sharon

Chem 1
How can you prepare 2M of 200 ml HNO3 solution from 63% stock solution of HNO3 which has a density of 1.4 g/ml?
December 5, 2012 by Isaac

chemistry
Nitric acid, HNO3, was first prepared 1200 years ago by heating naturally occurring sodium nitrate (called saltpeter) with sulfuric acid to produce sodium bisulfate and collecting the vapors of HNO3 produced. Calculate ΔH°rxn for this reaction. ΔH°f[NaNO3(s)] = -...
October 13, 2014 by shahreen

chemistry
Nitric acid, HNO3, was first prepared 1200 years ago by heating naturally occurring sodium nitrate (called saltpeter) with sulfuric acid to produce sodium bisulfate and collecting the vapors of HNO3 produced. Calculate ΔH°rxn for this reaction. ΔH°f[NaNO3(s)] = -...
October 13, 2014 by shahreen

high school chem
If 250ml of Ba(OH)2 is unknown concerntration with methyl red indicator present is tritrated with [0.325M]HNO3, the yellow solution turns red after 36.4 ml of the HNO3 is added. What is the molarity of Ba(OH)2
June 1, 2010 by jessica

Chemistry
The nitric acid was purchased as a solution that has 70% HNO3. That volume (mL) of this solution is necessary for preparing 250 mL Solution 2.0 mol L-1? The density of HNO3 (aq) 70% is 1.42 g cm-3

Science
a flask contain 25 ml of HNO3 solution which requires 30 ml of 0.2 M KOH to complete the reaction. calculate the concentration of KOH. HNO3+ KOH= H2O + KNO3
April 12, 2015 by BUMMMMMMMy

chemistry
Which of the following pairs can be used to prepare a buffer? (select all that can apply) a. HCl/NaCl b. HF/KF c. NH3/NH4Cl d. HNO3/HNO2 e. NaNO2/HNO3 can you also please explain how they form a buffer? thank you
April 12, 2012 by kc

Chemistry
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 10-6) by 0.200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added. a)0.0 mL b)20.0 mL c)25.0 mL d)40.0 mL e)50.0 mL f)100.0 mL
March 23, 2013 by Jeff

chemistry
hmmm this is not making sense at the moment. the question: How many milliliters of 0.246 M HNO3 should be added to 213 mL of 0.006 66 M 2,2-bipyridine to give a pH of 4.19? the equation: HNO3- + 22bipy --> Protenated bipy + NO3 2- u want to find the moles of HNO3... there ...
October 26, 2015 by Anonymous

Chemistry
Question: What is the maximum number of liters of HNO3(g) that can be made from 14.88 L of H2O(g) and 10.66 L of NO2(g) at STP? 3 NO2(g) + H2O(g) ==> 2 HNO3(g) + NO(g) I have no idea how to do this. Please help if you can.

physics 30
Given the reaction 3 NO2(g) + H2O(l) ¨ 2 HNO3(l) + NO(g) ƒ¢rH = -72.0 kJ, calculate the molar enthalpy of reaction, rH for: 1) NO2(g) 2) H20 (l) 3) HNO3 (l) 4) NO (g) Express you answer in Kj/mol
February 10, 2015 by ?????halp

Chemistry
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
March 1, 2014 by Kay

Chemistry
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
March 1, 2014 by Kay

Chemistry
This is a stoichiometry equation. Cu(s) + 4(HNO3)(aq) -> Cu(NO3)2(aq) + 2(NO2)(g)+2(H2O)(l) If you use 6 moles of nitric acid 4(HNO3), how many moles of Copper (II) Nitrate Cu(No3)2 will be produced?
February 14, 2016 by Bryce

chemistry
A mixture of hydrogen peroxide, H2O2, and hydrazine, N2H4, can be used as a rocket propellant. The reaction is: 7 H2O2(g) + N2H4(l) ® 2 HNO3(aq) + 8 H2O(l) a) How many moles of H2O2 react with 0.477 mol N2H4? [1] ___________ b) How many grams of HNO3 can be produced in a ...
June 20, 2009 by dan

Chemistry
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 50.0 ml is needed to react with 25.0 ml of 0.150M KOH solution?
October 19, 2012 by Tasha

Chemistry
You wish to prepare 0.18 M HNO3 from a stock solution of nitric acid that is 18.9 M. How many milliliters of the stock solution do you require to make up 1.00 L of 0.18 M HNO3? Answer and..... HOW DO I DO IT?
October 1, 2008 by Brittany

chem
2 HNO3 + 1 Na2S -> H2S + 2 NaNO3 How many moles of H2S would we expect to be formed by reaction if 3.50 moles of HNO3 reacted completely?
February 10, 2015 by jamie

chemistry
Calculate the number of moles of H2O2 required to produce 0.08 moles of HNO3 by the following reaction. 7 H2O2 + N2H4 2 HNO3 + 8 H2O
February 12, 2016 by levy

ap chem
ok, so i have to find the mass of the HNO3 in 1 L and the mass of the H2O in 1 L. I'm given: HNO3 solution 1.42 g/mL 16M I'm really terrible at this stuff and it should be easy, but I have no idea where to start.
February 25, 2011 by dylan

ap chem
ok, so i have to find the mass of the HNO3 in 1 L and the mass of the H2O in 1 L. I'm given: HNO3 solution 1.42 g/mL 16M I'm really terrible at this stuff and it should be easy, but I have no idea where to start.
February 25, 2011 by dylan

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