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Titration
Page 5
Questions (1,023)
Calculate the H3O+ concentration at the halfway point when 34.5 mL of 0.19 M HBr is titrated with 0.1 M KOH. Assume additive
volu
6 answers
asked by
Hanna
1,239 views
Find the pH at each of the following points in the titration of 25 ml of 3.0M HF with 0.3 M NaOH. The Ka value is 6.6x10-4.
3 answers
asked by
Brooke
1,868 views
An analytical chemist weighs out 0.225g of an unknown diprotic acid into a 250mL volumetric flask and dilutes to the mark with
3 answers
asked by
Audrey
2,937 views
An impure sample of (COOH)2 ·2 H2O that
has a mass of 3.4 g was dissolved in water and titrated with standard NaOH solution. The
4 answers
asked by
lois
2,733 views
A 50 ml sample of calcium hydroxide solution required 19.50 ml of 0.1050N HCL titration. Calculate the amount of calcium
3 answers
asked by
Chariffah
2,284 views
25.0 mL of an unknown HCl solution is titrated with 17.5 mL 0.100 M NaOH. What is the
Molarity of the HCl solution?
3 answers
asked by
ghada
996 views
A buret is partially filled with NaOH solution, to a volume of 1.14mL. A 20-mL sample of 0.1011 M HCl is titrated to a faint
4 answers
asked by
Michelle
1,063 views
Can someone please answer one of these question so I would be able to know how to do the others?
1. What volume of 0.275 M KOH
3 answers
asked by
Anonymous
1,406 views
Calculate the volume at which pH = pKa if 30.00mL of weak acid with a concentration of 0.0955M is titrated
against a strong base
4 answers
asked by
Caroline
990 views
A solution contains 1.694 mg of CoSO4 (MW 155.0) per mL. Calculate
a) The volume of 0.008640 M EDTA needed to titrate a 25.00 ml
3 answers
asked by
Sam
1,334 views
The end point of the acid base/ titration between vinegar and NaOH occurred when:
Question options: The acid and base neutralized
4 answers
asked by
Tamera
1,977 views
How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution's concentration? How is
3 answers
asked by
Sandy
860 views
A 0.391 g sample of KHP will be titrated with a NaOH solution with an assumed concentration of 0.100 M. Calculate the volume of
3 answers
asked by
Jackie
1,054 views
Sodium thiosulfate, Na2S2O3, is used as a fixer in photographic film developing. The amount of Na2S2O3 in a solution can be
3 answers
asked by
Muhammad
1,671 views
An unknown solid acid is either citric acid or tartaric acid. To determine which acid you have, you titrate a sample of the
3 answers
asked by
Sarah
1,938 views
A sample of potassium hydrogen oxalate, KHC204, weighing 0.717 g, was dissolved in water and titrated with 18.47 mL of an NaOH
3 answers
asked by
amanda78
1,447 views
Find the pH during the titration of a 20.00mL of 0.1000 M butanoic acid, CH3CH2CH2COOH (Ka=1.54 x10^-5), with the addition of 10
3 answers
asked by
anonymous
6,525 views
KMn04 with iron(II) ammonium sulphate hexahydrate-redox titration.
1-what is the purpose of adding H2SO4 to iron sample before
3 answers
asked by
yuni
981 views
The titration of HCl with NaOH is represented by the equation
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) What volume of 0.100 M HCl
3 answers
asked by
kathy
931 views
in a titration, 0.0400 mol of solid NaOH is required to neutralize 10.0 mL of H2SO4(aq). From these data, the [H2SO4] is:
4 answers
asked by
jj re
1,058 views
How many milliliters of 0.100 M KOH would you need to titrate 25.0 mL of the oxalic acid solution
3 answers
asked by
Polly
1,334 views
Hydrogen peroxide, H2O2, solution can be purchased in drug stores and used as an antiseptic. A sample of such a solution
3 answers
asked by
HELP!!!
1,542 views
before beginning a titration, the burnet was not clean. after completing the titration,the student noticed that droplets of the
3 answers
asked by
Anonymous
875 views
How many milliliters of .50 M NaOH solution are required to titrate 40.0 mL of a 0.10 M H2SO4 solution to an end joint?
4 answers
asked by
lacey
1,894 views
quantitative determination of acetylsalicylic acid in aspirin tablets by back titration
1)why do we use a more dilute NaOH
3 answers
asked by
krissy
1,569 views
Standardization of the Sodium Thiosulfate Solution
Make up a standard solution of potassium iodate by accurately “weighing by
4 answers
asked by
Sara
851 views
What indicator would be used if we were titrating with HCl in the buret and NaOH in the flask since phenolphthalein is not
2 answers
asked by
Anonymous
725 views
A 25.0 mL sample of NaHSO4(aq) was titrated with 0.500 mol/L NaOH(aq) using phenolphthalein indicator. At the endpoint, one drop
4 answers
asked by
Chem master
492 views
A 25.0 mL sample of 0.100 M pyridine (Kb for pyridine is 1.7 ✕ 10-9) is titrated with 0.100 M HCl solution. Calculate the pH
3 answers
asked by
ryan
897 views
A is a solution containing 0.050mol/dm-3 of a tetraoxosulphate (iv). B is a solution of anhydrous sodium trioxocarbonate (iv).
3 answers
asked by
Michael chibuike
558 views
A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 338.mg of oxalic acid
4 answers
asked by
Emma
6,494 views
49.0 mL of HClO3 is completely titrated by 68.4 mL of a Sr(OH)2 solution whose concentration is 0.3893 M. What is the molarity
3 answers
asked by
Jake
844 views
In the titration of Na2S2O3 against KIO3 the average titre value was 23.1cm3,the volume of iodine used in the titration was
5 answers
asked by
Sarah
1,603 views
The dibasic compound B (pKb1 = 4.00, pKb2 = 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a
3 answers
asked by
joshua
3,174 views
A sample contains an unknown amount of tartaric acid, H2C4H4O6. If 0.3888 g of the sample
requires 37.74 mL of 0.1000 M NaOH to
4 answers
asked by
Jamal
1,399 views
I have completed a back titration with an antacid tablet weighing 1.25 mg and 0.1494 M concentration of HCL (100 mL was added)
3 answers
asked by
ashley
577 views
In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light
3 answers
asked by
Dalton
732 views
Based on equation:
2MnO4¬¬(-) + 6H(+) +5H2O2 → 2Mn(2+) +8H2O + 5O2 A 50.0 mL solution of hydrogen peroxide of unknown
3 answers
asked by
Bree
1,401 views
Why is the carbonate solution boiled before titrating?
3 answers
asked by
Candice
833 views
10.0 mL of a Cu2+ solution of unknown concentration was placed in a 250 mL Erlenmeyer flask. An excess of KI solution was added.
4 answers
asked by
Samantha
2,014 views
For a tablet containing 500mg vitamin C, Calculate how many mL of 0.095M NaOH are required for titration ( molar mass of
3 answers
asked by
Cody
1,464 views
a 50ml aliquot sample of vinegar is titrated with a 0.078 M NaOH sol'n. The phenolpthalein end point was reached after the
3 answers
asked by
jane
765 views
If the titration of a 25.0 mL sample of calcium hydroxide requires 34.45 mL of 0.100 M perchloric acid, what is the molarity of
3 answers
asked by
John Cook
1,476 views
15.00 mL of 0.01200 M EDTA were used to titrate 50 mL aliquot solution containing iron (II). How much iron (II) is present in
4 answers
asked by
Nina
731 views
Consider the titration of 100.0 mL of 0.260 M propanoic acid (Ka = 1.3 ✕ 10−5) with 0.130 M NaOH. Calculate the pH of the
3 answers
asked by
Rina
1,043 views
Calculate the pH for each of the following points in the titration of 50.0 mL of a 2.7 M H3PO3(aq) with 2.7 M KOH(aq).
(a) before
3 answers
asked by
Brody
556 views
A 1.213g sample of an unknown weak monoprotic acid was titrated to the endpoint with 27.25mL of a 0.3016M NaOH Calculate:
-the
3 answers
asked by
katelyn
806 views
A 1.857 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl
3 answers
asked by
Sparkle
2,185 views
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
4 answers
asked by
Jeff
2,660 views
Suppose you titrated a sample of distilled water with EDTA, approximately what volume of EDTA would be required?
2 answers
asked by
Julie
875 views
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