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pH Calculation
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Questions (693)
1)what is the final pH of CHECOOH 0.18M ,CHECOONa 0.08M, HNO3 0.08M and NaOH 0.08M ? Ka=1.8^10(-5)
2)what fraction of free edta
2 answers
asked by
airam
488 views
Calculate the pH of aqueous solution 0.0000019 M KOH
1 answer
asked by
David Allen
373 views
calculate the pH at 25c of 0.080moldm-3 HNO3
1 answer
asked by
Ephodia
320 views
A 25 mL sample of 0.29 M LiOH analyte was titrated with 0.75 M HI at 25 degree Celsius. 1)Calculate the initial pH before any
2 answers
asked by
Mizuhara
731 views
A 500-mL buffer was prepared and it is 0.300 M in nitrous acid (HNO2 , Ka = 4.0 x 10-4) and 0.200 M in sodium nitrite, NaNO2.
2 answers
asked by
Allene
626 views
Calculate the pH of a solution obtained by adding 20 mL of .2M KOH to 480 mL to .02M isoelectric glycine
1 answer
asked by
Laurel
430 views
calculate the Ph of a solution composed of 0.75 grams of KOH dissolved in 500ml of water. assume total ionization.
2 answers
asked by
jeremy
1,060 views
Calculate the pH of a solution prepared by adding 36 cm3 of 0.15 M methanoic acid to 27 cm3 of 0.20 M NaOH. (Ka for methanoic
1 answer
asked by
Teagan
359 views
A solution containing 0.40 M B (a weak base) and 0.20 M BH+ (the salt of the weak
base) has a pH = 10.30. What is the pH after 25
3 answers
asked by
axy
494 views
calculate the PH of a mixture containing 30 mL, 0.10M HC2H3O2? (Ka=1.8x10^-8 of HC2H3O2)
4 answers
asked by
Cris H.
528 views
What is the pH of 4.7 M CH3NH3Cl. mehyl-amine, CH3NH2, Kb = 4.4 × 10-4.
Do I find Ka first then take the -log(Ka) to find the pH
2 answers
asked by
Dina
1,139 views
What is the pH of a solution that contains 0.30 M HC2H3O2 and 0.95 M C2H3O2-? Use Ka = 1.8 × 10-5 for HC2H3O2.
2 answers
asked by
Dina
710 views
HCI (aq) is a strong acid. suppose you dissolved 0.0365 grams of HCI in water to give a final volume of 10.0 mL. what is the pH
2 answers
asked by
jen
487 views
Calculate the pH of a 0.2M solution of Triethylamine, (C2H5)3N, with a Kb of 4.0x10^-4
2 answers
asked by
Jessica
618 views
What is the pH at the point during a titration when 34 mL of 0.200 M HCl has been added to 29 mL of 0.0500 M NH3 solution? HCl
2 answers
asked by
gabriella
734 views
A 497 mL sample of 0.9960 M HI is mixed with 443 mL sample of KOH (which has a pH of 13.51). What is the pH of the resulting
1 answer
asked by
Jenna
372 views
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.038 M NaOH.
(a)
3 answers
asked by
Halah Warner
1,660 views
On the same type of problem as the previous one, it is now asking the pH of 1ml of NaOH plus 50ml water. If i solve for pOH
1 answer
asked by
Kyle
320 views
So i need to calculate the pH of 50ml water (de-ionized) with 1 ml of 1M HCl. So the moles of HCl i think is .001 divided by the
2 answers
asked by
Kyle
535 views
Calculate the pH at the equivalence point if 25.00 mL of 0.010M barbituric acid (HC4H3N2O3) is titrated with 0.020M NaOH. (Ka
2 answers
asked by
Mary
496 views
What is the pH of a solution that is .60 M H2SO4 (Sulfuric acid) and 1.7 M HCOOH (formic acid).
1 answer
asked by
Karen
448 views
Calculate the pH after 0.010 mol gaseous HCl is added to 250.0 mL of each of the following buffered solutions:
a. .050 M NH3/.15
2 answers
asked by
Kristen
881 views
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
2 answers
asked by
lolo
528 views
1). In a titration 20 mL of 0.100 M of HCl is added to 50.0 mL of 0.150 M of ammonia.
A). What is the pH of NH3? B). What is the
2 answers
asked by
Amanda
565 views
please life saver i am taking a quiz now can some one help me with this pleeeeeeeaaaaaaaaassssssseeee
Calculate the pH of 0.175 M
6 answers
asked by
carl
508 views
A solution contains 0.0180 M HNO3, 0.0268 M HI, and 0.250 M formic acid, HCOOH. What is the pH?
1 answer
asked by
carl
356 views
How many milliliters of 0.202 M KOH should be added to 500.0 mL of 0.0233 M
tartaric acid (C4H6O6; FW 150.087) to adjust the pH
3 answers
asked by
Micki
517 views
A solution is found to contain 1 x 10-4 OH− ions, determine the pH of this solution.
I did this problem and got 4 but it is not
4 answers
asked by
Lara
596 views
The formula for determining the pH of a solution is pH = -log[H+], where [H+] is the hydrogen ion concentration (in M/L). What
2 answers
asked by
alejandro
508 views
A.Determine the pH of the solution.
a solution that is 1.17% HCl by mass (Assume a density of 1.01 g/mL for the solution.) B.
2 answers
asked by
Anonymous
1,040 views
Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution.
a solution that is 0.266 M in CH3NH2 and
2 answers
asked by
Anonymous
1,236 views
you have 1.00 liter each of 0.10 M Na3PO4, Na2HPO4, NaH2po4 ka 1= 7.5*10^-3 ka2=6.2*10^-8 ka3=4.8*10^-13 a) prepare 500 ml of a
2 answers
asked by
cat
748 views
Calculate the pH when the following volumes of 0.20 M LiOH are added into 50 mL of a 0.1 M HCl solution. Both LiOH and HCl are
2 answers
asked by
Dauren
914 views
50.0mL of 0.1 molar NaOH is added with 50.0mL of 0.1 molar CH3COOH. The Ka = 1.8*10^-5. what is the pH of the solution?
a) 7.00
1 answer
asked by
Zac
423 views
What is the pH of a .20M HA solution (Ka=1.0x10^-6) that contains a 0.40M NaA?
3 answers
asked by
Liz
607 views
Find the pH of a solution that is 0.30 M benzoic acid (HBz) and 0.25 M sodium
benzoate(NaBz). Ka for benzoic acid = 6.5 x 10-5
4 answers
asked by
generalchem1412
697 views
Calculate the pH of a 75.0 ml solution containing 0.85 M lactic acid after the addition of 0.0225 moles NaL (assume a negligible
7 answers
asked by
Davis
467 views
For an experiment on the effect of a buffer solution, I need to calculate the expected pH of the buffer.
I know that I have to
2 answers
asked by
Hannah
1,143 views
A solution is prepared by mixing 499 mL of 0.19 M Tris·Base and 592 mL of 0.37 M Tris·Acid. What is the pH of this solution?
2 answers
asked by
Brittany
476 views
1) The approximate pH of a 3.0 X 10^-3 M solution of the strong acid H2SO4 is?
I did pH= -log(3.0 X 10^-3) = 2.5 2)If HCLO2 is a
3 answers
asked by
Hannah
531 views
calculate the pH when 10 mL of .511 M sodium acetate and 20.00 mL of 0.350 M acetic acid
1 answer
asked by
brooke
278 views
1)100ml sample of solution that is 0.2M in both Naf and Hf has 4.0 ml of 1.0M hcl added to it. calculate the ph change of this
1 answer
asked by
Anonymous
464 views
if 10.0g of NaF and 20.0 g of HF are dissolved in water to make one liter of solution, what will the pH be? For HF, Ka=6.8x10-4.
2 answers
asked by
rick
842 views
A solution of volume 0.500 L contains 1.70g NH3 and 4.15g (NH4)2SO4. What is the pH of this solution?
Answer obtained was 9.76,
2 answers
asked by
Calvin
552 views
If [H+] is 1000,000 times larger than [OH-] at 25 °C, what is the pH?
3 answers
asked by
hamy
321 views
Calculate the pH of the solution that results when 27.38mL of 0.15M H2SO4(aq) is mixed with 18.50mL of 0.19M Ca(OH)2 (aq)
3 answers
asked by
Anonymous
477 views
Need help with question. Calculate the pH of a buffer prepared by adding 100mL of 0.0500M NaOH to 100mL of 0.175M CH3COOH.
so far
3 answers
asked by
Caral
581 views
Calculate [H3O] an [OH] for a sodium hydroxide solution having a pH of 12.5.
I'm having a hard time with this i'm not sure how to
1 answer
asked by
Sarah
343 views
What is the pH of a solution that is 0.62M H2SO4(aq) and 1.7M HCOOH (formic acid).
2 answers
asked by
Calvin
698 views
Compute pH of the saturated solution of La(OH)3 in ther 3x10^-5 M aqueous solution of La(NO3)3xKsp(La(OH)3).
1 answer
asked by
Dominique
376 views
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Parent Categories (49)
Acid and Base Chemistry
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