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pH Calculations
Page 3
Questions (299)
Hey guys! Stuck on some pH problems! Thanks so much in advanced:
A) Calculate the pH of a 0.200 M solution of potassium acetate,
4 answers
asked by
Allie
826 views
The weak acid HQ has pKa of 4.89.
1)Calculate the [H3O+] of .035 M HQ. 2)Calculate the (OH-) of 0.500 M HQ ....Am I correct? a)
2 answers
asked by
patrick
671 views
How do you calculate theoretical calculated pH.
1. 0.1 M HCL pH: 1 2. 0.1 M NaOH pH: 13
1 answer
asked by
Clare
364 views
Calculate the pH and identify as acidic, basic,or neutral
1. H= 1.10 * 10^-11 M Answer: pH=11, basic 2. H= 2.61 * 10^-2 M Answer:
2 answers
asked by
Clare
481 views
Sorry, I did make an error when I posted the earlier question:
It should have said: A solution has [OH-] = 2.0 x 10-^14 M. The
2 answers
asked by
Cassandra
505 views
Given a 300 ml solution containing 0.2M H2L+ calculate the pH after the addition of 130.00 ml of 0.6M KOH.
-----pH = 9.377 What
2 answers
asked by
Jcc
535 views
Calculate the pH of a 0.44 M aqueous solution
of NH4Cl. Kb = 1.8 × 10−5 . I've tried used the Ka=Kw/Kb equation then used the
4 answers
asked by
Ethan
1,548 views
Calculate the pH of the solutions obtained by dissolving the following in a liter of water: 0.2 mole of glycine plus 0.1 mole of
2 answers
asked by
michelle
487 views
Should 25 ml of 0.15 M HCL solution be added to 250 mL of buffer solution containing 0.25M HF Ka-7.1 x 10, and 0.40 M NaF at a
1 answer
asked by
Always
380 views
The pH of 0.3 HSO3- is:
(How can this problem be solved?) The final answer is 4.41 However, I keep getting 3.76
3 answers
asked by
Radha
811 views
1.calculate the hydrogen concentration for each of the following.
(a).blood plasma, pH=7.4 (b).orange juice, pH=3.5 (c).human
10 answers
asked anonymously
99 views
Calculate the pH of a buffer that is 0.250M in NaHCO3 and 0.300M in Na2CO3
2 answers
asked by
Anonymous
569 views
The cell potential of the following electrochemical cell depends on the pH of the solution in the anode half-cell:
Pt(s)|H2(g,1at
1 answer
asked by
clara
1,073 views
a solution is made up of 0.001M dichloroacetic and 0.0001M acetic acid.find the pH using the charge balance
1 answer
asked by
tsogwane
934 views
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid, 0.5 L of 1.0 M sodium
2 answers
asked by
Dre
796 views
calculate the pH pOH and (OH(aq)) of 0.006mol/l HI(aq)
2 answers
asked by
ashley
575 views
Calculate the pH when the following volumes of 10^(-1,1) M XOH are added into 1 L of a 10^(-2.5) M HA solution. XOH is a strong
1 answer
asked by
Dauren
344 views
Consider 25.0 ml of .300 MHNO2 that is titrated with .500 M Find ph at eq pt
3 answers
asked by
Anna
258 views
Calculate the pH of an aqueous solution of 0.15 M potassium carbonate.
I know that pH = -log(H30+) but I am not sure how to start
3 answers
asked by
Hannah
1,167 views
Calculate the pH of an aqueous solution of 0.15 M potassium carbonate.
I know that pH = -log(H30+) but I am not sure how to start
3 answers
asked by
Hannah
470 views
What is the pH of a 5.06E-2 M aqueous solution of sodium acetate?
I know that I would set this up the same way I did for the
2 answers
asked by
Hannah
586 views
What is the pH of 0.144M aqueous solution of ammonium nitrate?
I am not sure what to do. Would I do 10^-0.144^ = 0.71?
7 answers
asked by
Hannah
356 views
1) The Ka for acetic acid is 1.8e-5. What is the pH of a 3.18M solution of this acid?
I did 1.8e-5 = x^2/3.18 x=sqrt 1.8e-5 X
6 answers
asked by
Hannah
401 views
a) Calc. PH of 0.010 M HF and 0.030 M KF
e) calc. PH Zn(OH)2 in wAter
2 answers
asked by
ALISON
501 views
CALCULATE PH OF THE SOLUTION THAT RESULTS FROM EACH SOLUTION
A) 150.0mL OF 0.25M HF WITH 225.0 mL OF 0.30M NaF Help please, these
2 answers
asked by
ALISON
553 views
Calculate the pH of each of the following buffered solutions:
a. 0.10M C2H5NH2/0.25M C2H5NH3Cl b. 0.25M C2H5NH2/0.50M C2H5NH3Cl
4 answers
asked by
Alex
1,256 views
for the following, mix the equal volumes of one solution from group I with one solution from group II to achieve the indicated
1 answer
asked by
hannah
760 views
Consider 67.0 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 4.500. What volume of water must be added to
3 answers
asked by
Bill
788 views
If you make up a solution of 100 mL of 0.1 M HEPES in the basic form, what will be the pH?
I have no idea where to even start...
2 answers
asked by
Sara
811 views
what is the pH of 2.50M HF (aq)? Ka=7.2X10^-4
1 answer
asked by
mary
267 views
What is the pH after 5 mL of 0.1M NaOH has been added to 25 mL of 0.2M acetic acid?
1 answer
asked by
Megan
373 views
Calculate the pH of a solution prepared by mixing 150.mL of 0.174 molal aqueous HF (density=1.10g/mL) with 37.5 g of an aqueous
1 answer
asked by
does anyone get this???
493 views
Calculate the pH of a 25 mL sample of distilled water after the addition of 1 mL, 2 mL, 3 mL, 4 mL, and 5 mL of NaOH and HCL.
2 answers
asked by
Mariah
1,091 views
Determine the pH of the following, giving your answers to two decimal places. I don't know how to do these problems =(
a. 0.100 M
4 answers
asked by
Jenni
565 views
Can you please tell me if these are right?
Determine the pH for the following solutions A [OH-] = 1.0 X 10^-7 M I got 7 B. [H3O+
1 answer
asked by
Jessica
786 views
Calculate the [H3O+] of each aqueous solution with the following [OH-]:
stomach acid, 1.2 x 10^-13 M Express your answer to two
3 answers
asked anonymously
35 views
Determine the ph
[OH-] = 2.6×10^-7 M Express your answer using two decimal places
3 answers
asked anonymously
25 views
1. What is the pH when enough 0.10 M Base (in mL) is added to neutralize 8 mL of 0.10 M Acid?
Complete the following table. NaOH
1 answer
asked by
Sammy
792 views
How do i calculate the pH when 200ml of .200M HCl is added .4998M of sodium acetate?
4 answers
asked by
Jim
424 views
HNO3 with pH 3 is mixed with 2 L KOH with pH 12. assuming volumes are additive what is the pH of the final solution?
I have
4 answers
asked by
Maggie
471 views
What is the pH of a solution prepared by adding 4.000 grams of NaOH to a 50.00 mL of a buffer that is 2.00 molar both in acetic
2 answers
asked by
phil
558 views
You have to design a buffer based on one of the systems below
System 1: HA1 and A1-1 K= 4 E-3 System 2: HA2 and A2-1 K= 5 E-4
2 answers
asked by
maya
518 views
A weak acid has Ka= 1*10^-3. If [HA]= 1.00 M what must be [A-] for the pH to be pH 2.7?
My work: pH= Pka + log(B/A) 2.7= 3 + log
4 answers
asked by
Hina
736 views
Known:
Cyanaocetic acid Ka=3.55*10^-3 ionization equation: HC3H2NO2<==> H^+ + C3H2NO2^- Unknown: pH of 0.4M of Cyanaocetic acid
1 answer
asked by
anonymous
431 views
How do you calculate the pH difference when the following substances are added to a buffer.(all of the solutions are at .10M
2 answers
asked by
Mary
556 views
I'm stuck on a couple of similar problems involving pH and acids/bases
1) What is the final pH of a 1L solution that is initially
4 answers
asked by
Evelyn
766 views
Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL.
a. )
1 answer
asked by
A.A
468 views
What is the pH of the solution created by combining 2.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00
5 answers
asked by
Amy
554 views
Thallium hydroxide is a strong base used in the synthesis of some organic compounds. Calculate the pH of a solution containing
1 answer
asked by
Taasha
518 views
I was absent for this info and im stuck.
A)calculate the pH in an acid-base titration when 10.00mL o 1.000 m NaOH is added to
1 answer
asked by
Just
430 views
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Acid-Base Chemistry
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