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December 7, 2016

Search: calculate the mass of solid NaOH needed to make 200.mL of a 0.600M NaOH solution

Number of results: 97,972

chemistry
how many grams of NaOH are contained in 250 mL of a 400 M sodium hydroxide solution
July 14, 2010 by kelly

Chemistry 2
Which solution will have the lowest pH ? A. .10 M HCN B. .10 M HNO3 C. .10 M NaCL D. .10 M H2CO3 E. .10 M NaOH
September 22, 2010 by Sammie

Chem 2
Which solution will have the lowest pH ? A. .10 M HCN B. .10 M HNO3 C. .10 M NaCL D. .10 M H2CO3 E. .10 M NaOH
September 23, 2010 by Sammie

Chemistry
Concentration of OH- left in a solution made by mixing 16.0 g of NaOH and 80.0 mL of 0.170M HNO3?
October 25, 2010 by Taylor

Chem
What is the pH of the solution formed when 0.040mol NaOH(s) is added to 2.00L of 0.020M HCl?
November 28, 2010 by IH

Chem
What is the pH of the solution formed when 0.040mol NaOH(s) is added to 2.00L of 0.020M HCl?
November 28, 2010 by IH

chemistry
what is the molarity of an unknown HCI concentration if it requires 75ml of a 0.2 M NaOH solution?
December 1, 2010 by jo

chemistry
What is the pH of a solution made by adding grams of NH4Cl, to 550 mL of 0.205 M NaOH?
April 20, 2011 by Tom

Chemistry
What is the molarity of a 37.50 mL sample of HNO3 solution that will completely react with a 23.70 of .0100 M NaOH?
June 7, 2011 by Chirag

CHEMISTRY
DESCRIBE BRIEFLY HOW U WOULD PREPARE ONE LITER OF 0.1 NaOH SOLUTION
July 29, 2011 by IFEOMA

C
number of moles of NaOH required to titrate 38.05mL of a 1.500 M H3PO4 solution
October 11, 2011 by Nick

chemistry
which solution has the lower pH? a)0.1 M HCL or 0.1 M HC2H3O2? b)0.1 M NaOH or 0.1 M NH3? c)0.1 M Na2CO3 or 0.1 M NaCl?
November 9, 2011 by denis

Chemistry
What concentration of aqueous NaOH solution freezes at negative 3.2 degrees celsius ?
June 17, 2012 by Mikayla

chemistry
23 grams of NaOH is dissolved in 1.5L of water, find; a)Concentration of the solution b)pOH c)pH
January 20, 2013 by Patrick

Chemistry
How many moles of NaOH must be added to 1.0 L of 2.2 M HF to produce a solution buffered at each pH? (a) pH = pKa (b) pH = 4.24 (c) pH = 4.60
March 13, 2013 by Margaret

Chemistry
The pH of a solution prepared by mixing 325 mL of 0.25 M NaOH and 675 mL of 0.20 M HClO3 is 6.50. Solve for Ka.
January 29, 2014 by Snoop Lion

Chemistry
What is the pH of a solution made by mixing equal vlumes of .10 M HC2H3O2, .1 M NaOH, and .05 M HCl?
March 10, 2015 by Bob

chemistry
How many kg of wet NaOH containing 12% water are required to prepare 60 litre of 0.5N solution?
April 16, 2015 by jaimi

analytical chemistry
How many grams of Ca(OH)2 can be dissolved in 550mL of a .0500 M NaOH solution. Ksp - Ca(OH)2 is 5.5 x 10-5
October 27, 2015 by TK

chemistry
If you begin with 0.030 L of a 2.5M NaOH solution, what concentration will you end up with if you dilute it to 0.050?
February 22, 2016 by Anonymous

Science
Estimate the pH of a solution containing 0.5 L of 0.4 M HClO4 and 0.5 L of 0.2 M NaOH without using a calculator.
March 9, 2016 by Tina

chemistry
To 100 mL of a 0.1M NH3(Kb=1.8*10-5)solution,200mL of a 0.1M NaOH have been obtained.
July 5, 2016 by Anonymous

Chemistry
In one trial of an investigation 50.0 mL of HCl(aq) of an unknown concentration is Tiresias with 0.10M NaOH (aq). During the titration the total volume of NaOH (aq) added and corresponding pH value of the reaction mixture are measured and recorded in the table below: 10mL-1....
April 14, 2011 by Kelly

chemistry
A. What is the mass of Solution 3? in g B. What is the density of Solution 2? g/ml solution 1: Mass Empty Flask (g):42.252 Mass NaCl (g):0.911 Volume Water (mL):100 Mass of Flask + Solution (g):43.107 solution 2: MEF: 45.778 mass nacl:0.897 volume water: 100 mass of Flask+sol:...
January 8, 2010 by eng

Chemistry (Acids and Bases)
I just did a lab on Acids and Bases and I am having trouble with the lab questions I was given to complete. Concentration of NaOH: 0.09999 M Volume of NaOH: 3.25 mL # moles of NaOH: 0.325 moles Initial Concentration of Weak Acid: ? (How do we calculate this) Part 2: Hydrolysis...
March 29, 2009 by Lalu

chemistry
what mass NaOH is required to react exactly with 25.0 ml of 3.0 M H2S04
July 1, 2012 by Larry

Chemistry
What mass (g) of KHP is required to neutralize 10.00 mL of 0.1092 M NaOH?
October 9, 2012 by Erin

Chemistry
What mass of naoh is neutralized by 43.55ml of 0.145m H2SO4?
March 15, 2016 by Maxx

gen chem
a 10 ml vinegar sample was completely neutralized by 22.5 0.2M NaOH solution . calculate the molarity and percent acetic acid in vinegar I keep getting 2.7% acetic acid is this correct? my friend got 27% and if I am wrong where do you think I messed up?
November 25, 2012 by shannan

Ap chemistry
15 ml of .325 M NaOH is delivered into a 35 ml HObr solution of unknown concentration.The pH of the final solution is measured to be 7.48.Ka for HOBr is 2.0 * 10^-9 at 25C. Find the number of moles of OBr- and HOBr in the final solution
February 18, 2012 by Jdawg

chemistry
using the following salts listed below, calculate the moles of acid and conjugate base needed to make 100 ml of 0.50 M, ph 6.5,6.7, and 6.8 phosphate buffer solution. (For H2PO4-, pka=6.64) Salt Molar mass, g/mol KH2PO4 136.09 NaH2PO4*H2O 137.99 Na2HPO4*7H2O 268.09 K2HPO4 174.2
October 28, 2012 by alleyx3

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

chem
Calculate the volume of 0.200 M acetic acid and the volume of 0.100 M sodium acetate required to make 200.0 mL of a buffer solution with pH = 5.00. The Ka for acetic acid at 298 K is 2.00 x 10-5.
April 4, 2011 by chem

Chemistry
what volume of 0.1M HCl would be needed to neutralize 0.35M NaOH to a 100ml volume?
December 17, 2015 by Elisha

chemistry
If 15.0 mL of a 1.5M HCl solution at 22.5 degrees C is mixed with 25.0mL of a 1.5M NaOH solution at 21.5 degrees C that is in a calorimeter, and the final mixed solution temperature ends up at 28.5 degrees C, what is the balanced equation for this reaction?
March 26, 2012 by Tori

chemistry
15ml of 0.325M NaOH is delivered into 35ml HOBr solution of unknown concentration.The pH of the final solution is 7.48. Ka for HOBr is 2.0 x 10-9at 25C. Find the number of moles of OBr- and HOBr in the final solution.
February 24, 2011 by bridget

chemistry
We're studying acids and bases; the question states that 50mL of 0.1M HNO3 solution is mixed with 25mL of 0.1M NaOH. What is the pH? I thought that I would use the Henderson-Hasselbach equation; but my answer does not match the one give in the solution. Any help?
May 23, 2008 by micole

college chemistry
a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.
January 5, 2015 by Kyle

Chemistry
10. When a 5.00 mL sample of vinegar is titrated, 44.5 mLof 0.100 M NaOH solution is required to reach the end point. What is the concentration of vinegar in moles per liter of solution (molarity, M)?
November 25, 2012 by Anonymous

Chemistry
Briefly explain what the consequense would be if excess 6M NaOH solution instead of ^m NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+,and K+ ions at pH 9-10.
November 27, 2012 by Cherie

Chemistry
A solution is prepared by dissolving 50.0 g of pure HC2H3O2 and 20.0 g of NaC2H3O2 in 975 mL of solution (the final volume). what is the ph? What would the pH of the solution be if 50.0 mL of 0.900 M NaOH were added? What would the pH be if 30.0 mL of 0.30 M HCl were added to ...
November 12, 2012 by Bella

Chem.
How can I determine the concentration of HCl remaining in the flask after back titration? Thank you!! I have been given weight of antacid, concentration and volume of HCl and concentration of NaOH. I've done 3 trials and found the average volume of NaOH.
July 7, 2015 by Help!!

chemistry
The reaction between sodium hydroxide and hydrobromic acid is represented in the equation below: OH- + H+ -> H2O A 62.5 mL sample of 1.86 M NaOH at 22.5 deg Celsius was mixed with 62.5 mL sample of 1.86 M of HBr at 22.5 deg Celsius in a coffee cup calorimeter. The ...
November 2, 2014 by lola

Chemistry
A 50 mL sample of 8% (m/v) NaOH is diluted with water so that the final volume is 200 mL...what is the final concentration and how did you figure it out?
May 9, 2011 by Curlyqty

Chemistry
I am trying to figure out the molecular, ionic, and net equation for this question. HCl reacts with the precipitate formed from mixing Ni(NO3)2 and NaOH . This is what I got for the molecular but it is saying it wrong. Please help. Thank you. HCl(aq) + Ni(NO3)2(aq) + NaOH(aq...
October 5, 2013 by Jamie

Chem
Calculate the [NH4+] in solution that is 0.25 M NH3 and 0.20 M NaOH. (Kb for NH3 = 1.8 x 10-5) I set up ICE from the equation: NH3 + H20 ------NH4 + OH- I 0.25 0 0 C -x +x +x E 0.25-x x x 1.8 *10^-5 = x*x/ 0.25-x 4.5* 10^-6 = x2 took the square root to get: 2.12 * 10^-3 =x but...
April 6, 2010 by AMI

chemistry
In a titration, NaOH was added to a burette. The initial reading was 1.2 ml. At the end of the titration, the final reading was 24.8 ml. What was the volume of NaOH that was added?
November 4, 2014 by zakk

chemistry
Hi DrBob222, this is regarding my Determining Ka of Acetic acid lab I talked about on April 5, 2008. Refer to the volume of NaOH on your graph from question 2. Calculate half this volume and on your graph, find the pH when the solution was half neutralized. did you get a pH in...
April 6, 2008 by Sarah

science
OBJECTIVE: to find out which of two indicators, methyl orange or phenolphthalein, gives more reliable and consistent results in the titration of H3PO4 with NaOH. REQUIREMENT: (1). Phosphoric acid solution of unknown concentration. (2). Standard NaOH solution. (3). Methyl ...
October 28, 2013 by somiah

chemistry
how many grams of NaOH are needed to neutralize 50 grams of H2SO4?
March 6, 2016 by kumera

Chemistry
Calculate the volume of NaOH 0.5 mol/L necessary to neutralize 300 mL of HCl 0.2 M.
May 11, 2012 by Katie

Chemestry
I got NaOH, 7%, and its density is 1,08g/mol. Calculate the molar concentration.
May 23, 2012 by Martins

chemistry
calculate the pH after 0.02 mol NaOH is added to 1.00 L of .1 M sodium propanoate NaC3H5O2
March 29, 2015 by jk

Chemistry
50 mL of copper(II) sulfate reacts with 50 mL of sodium hydroxide. Their concentrations are 0.3 M and 0.6 M respectively. The temperature increased to 23.6 C from 23.4 C. Determine the enthalpy change for the reaction in kJ/mol of sodium hydroxide. Q=mcΔT =(50g + 50g)(4....
March 3, 2013 by a Canadian

Chemistry 12
"Add the ionic equations for part one and three, compare the results with the ionic equation for part two" Part 1: NaOH(s) = Na+(aq) +OH-(aq) + heat Part 2: NaOH(s) + H+(aq) +Cl-(aq) = Na+(aq) + Cl-(aq) + H2O(l) + heat Part 3: Na+(aq) + OH-(aq) + H+(aq) + Cl-(aq) = Na+(aq) + ...
December 9, 2015 by Avery

Chemistry
Describe how a buffer behaves. Your description should include an explanation of why the addition of NaOH to the HAc solution formed a buffer. What happens to the pH when a small quantity of a strong acid or base is added to a buffer solution? What happens to the pH of the ...
March 14, 2013 by Terrell

stoichiometry problems
How many grams of NaCl with a molar mass of 58.44 would be needed to make 2.5 L of 0.00500 solution?
November 23, 2008 by Cindy

chemistry
how would you solve the mass of sucrose, C12H22O11, that is needed to make 550ml of a 0.25M solution?
April 14, 2013 by maggie

Chemistry
Lab: Titration of NaOH (0.1 molar)to unknown solid acid. Trying to determine the equilivent weight of the unknown acid in the experiement. I am trying to figure out if I add too much base solution by accident to an unknown acid during titration would it affect the equivalent ...
September 26, 2012 by Dee

Chemistry
A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this solution. 3. Calculate the ...
January 31, 2011 by Paul

Chemistry
A solution is made by dissolving 55g of KCl in enough water to make 1.00 L of solution. Assume that the density of the solution is 1.00 g/mol. Calculate the mass percent, molarity, molality, and mole fraction of KCl.
December 4, 2016 by Alivia

science, chemistry
OBJECTIVE: to find out which of two indicators, methyl orange or phenolphthalein, gives more reliable and consistent results in the titration of H3PO4 with NaOH. REQUIREMENT: (1). Phosphoric acid solution of unknown concentration. (2). Standard NaOH solution. (3). Methyl ...
November 5, 2014 by elijah

Chemistry
Question: A 0.400 g sample of propionic acid was dissolved in water to give 50.00 mL of solution. This solution was titrated with 0.150 M NaOH. what was the pH of the solution when the equivalence point was reached? I'm not really sure how i would go about setting this up. ...
April 15, 2009 by Eliz

Chemistry
A 15.0mL solution of H2SO3 is neutralized by 12.0mL of a standardized 1.00M NaOH solution. What is the concentration of the H2SO3 solution? Please reply with the steps on how to do this question so I can learn. I can't find examples or anything related in my textbooks and I ...
June 14, 2012 by bri

analytical chem
10.00mL of 0.100mol/L HCl solution is add to 10.00mL of 0.100mol/L NaOH solution. what is the pH of the resulting solution?
April 22, 2014 by deg

Science quick help needed
identify the following formulas as acids, bases or salts: HCH3COO NaCL H2CO3 C6H8)7 Mg(OH) NaOH KBr Sr(OH)2 HNO3 please help :) thanks :)
March 12, 2014 by Anonymous

Chemistry!!!
Use Le' Chatelier's Principle. a solution at equilibrium: BaCrO4(s)<> Ba^2+(aq)+ Cr)4^-(aq)recall: 2CrO4^2-(aq)+ 2H^+(aq)<> Cr2O7^2-(aq) +H20 2CrO4^2- yellow Cr2O7^2- orange Make predictions about colour changes or changes in the number of states a) To a solution ...
March 5, 2009 by Sandra

Chemistry
Calculate the mass of solid which would be precipitated when 35g of carbon 4 oxide are passed through a solution of calcium hydroxide Show your work
August 13, 2016 by Mike

chemistry
What is the pH of a buffer solution if you have 250 ml of a 1.56M Acetic Acid and you added 26.56 grams of sodium acetate (NaCH3CO2)? What is the new pH if you now add 1gram of NaOH to the buffer solution?
August 5, 2015 by lilly

Science ap chem
For which of the following solutions must we consider the ionization of water when calculating the pH or pOH? (a) 3 × 10−8 M HNO3 (b) 0.10 g HCl in 1.0 L of solution (c) 0.00080 g NaOH in 0.50 L of solution (d) 1 × 10−7 M Ca(OH)2 (e) 0.0245 M KNO3
March 11, 2016 by Anonymous

Extraction equations
We did an extraction. A solid including benzoid acid, p-nitroaniline, and napthalene was dissolved in dichloromethane. HCl was added to give the aqueous salt of p-nitroanaline. NaOH was added to give the aqueous salt of benzoic acid. Napthalene remained. We then air dried them...
October 7, 2006 by Sheryl

Gen Chem
A mixture of NaCl and sucrose (C12H22O11) of combined mass 10.2 g is dissolved in enough water to make up a 250 mL solution. The osmotic pressure of the solution is 8.29 atm at 23°C. Calculate the mass percent of NaCl in the mixture.
February 4, 2016 by Brittany

college
What is the concentration of a solution of HCL in which a 10.0 mL sample of acid required 50.0 mL of 0.150 M NaOH for neutralization?
April 15, 2010 by Anonymous

chemistry
how many grams of NaOH must be added to 0.250 litres of water to form a solution of PH=10.0?
September 7, 2010 by joey

chemistry
How many moles of water form when 40.0 ml of .800 M HNO3 solution is completely neutralized by NaOH?
September 12, 2010 by mary

chemistry
If 50ml of 0.1M NaOH are mixed with 35ml of 0.1M HCL will the solution be acid, base or neutral? why?
October 9, 2010 by Anonymous

Chemistry-102
what is the ph solution obtained by mixing 25.00 ml of 0.250 ml HCl and 25.00ml of 0.125M NaOH
March 23, 2011 by Christian

Chemistry
Why is it important to swirl the NaOH solution each time before using it during a titration?
March 26, 2011 by K

Chemistry
number of moles of NaOH required to titrate 38.05mL of a 1.500 M H3PO4 solution
October 12, 2011 by Tyler

Chem 1A
Help please! How many moles of NaOH must be added to 1.0 L of 3.0 M HC2H3O2 to produce a solution buffered at each pH? 1) pH= 3.78 2) PH= 6.52
March 15, 2012 by Mackenzie

chemistry
What is the pH of a solution formed by mixing 400 mL of 0.025 M HCl with 600 mL of 0.015 M NaOH?
May 2, 2012 by piper

chemistry
What is the pH of a solution formed by mixing 400 mL of 0.025 M HCl with 600 mL of 0.015 M NaOH?
May 10, 2012 by piper

science!
How much of a 0.10 M H2SO4 solution is required to neutralise 1g of NaOH? Express your answer in cm3.
June 23, 2012 by HADEEL

chemistry HELP!
How much of a 0.10 M H2SO4 solution is required to neutralise 1g of NaOH? Express your answer in cm3.
June 23, 2012 by mary

chemistry
If 36.3 ml of 0.152M NaOH is required to neutralize 25.00 ml of an HC2H3O2 solution ,what is the molarity of the acetic acid?
September 11, 2012 by HJ

chemistry
TO HAC SOLUTION (02M 100ml) we add NaOH (0.12M 80ml) what is the ph (answer: 4.71)
January 22, 2013 by ben

chemistry
I have 120 ml of a 2M NAOH solution. If Ionly use 10 ml the molarity of the 10 ml is stil 2M, correct?
February 10, 2015 by anonymous

chemistry
how many grams of NaOH pallets containing 12% moisture are requiredto prepared 60 ltr of 0.5N solution
May 19, 2015 by shweta

chemistry
In a titration experiment, 22.00mL of a NaOH solution are required to neutralize 24.02 mL of a 0.1094 M HCL solution. what is the molarity of H+ in the HCL solution? (same as the molarity of HCL)
November 9, 2011 by sari

chemistry
What mass of H2SO4 would be required to react with 0.59 mol of NaOH?
January 19, 2012 by brittany

Chemistry
A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this solution. 3. Calculate the ...
January 31, 2011 by Paul

Chemistry
A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this solution. 3. Calculate the ...
February 1, 2011 by Paul

Chemistry
A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this solution. 3. Calculate the ...
February 1, 2011 by Paul

chemistry
What formula do I use to calculate the mass of KCl that is required to make 625 mL of a 0.200 M solution? Dr Robb the formula you gave me didn't give me the correct answer and I think I did it wrong it is asking for the answer in grams which should be 9.3 grams but I cant get ...
July 26, 2010 by Norma

Chemistry
200. g of a solvent is available, how many grams of a solute should be weighed out to make a 15.0% solution by mass?
February 10, 2010 by CC

Science
What mass of potassium iodine should be dissolved in 200 grams of water to make a 3.0 percent solution?
November 30, 2011 by Jessie

Chemistry
Explain how you woud make 200.0 g of a .900 percent by mass solution of salt (NaCl in water)
April 16, 2014 by Jakub

biochem
I mixed 4.50mL of 10.0mM NaOH with .50mL phenol red. I need to calculate the pH of this solution. I have more information in my lab but I am not sure what data I need to look for. As part of the experiment I calculated pKa of Phenol Red. Do I use that pKa in the henderson-...
September 20, 2011 by amy

chemistry
340. mL of hydrochloric acid (HCl) acid is exactly neutralized with 500. mL 0.700 M NaOH solution. What is the concentration of the acid solution?
June 1, 2014 by Anonymous

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

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