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Acids and Bases
Page 8
Questions (2,326)
The Ka for a particular weak acid is 4.0 x 10-9. Calculate the pH of a 0.040 M solution of this acid.
whats the relation b/w Ka
4 answers
asked by
A.A
904 views
A 0.25 mol/L solution of benzoic acid, KC7H5O2 and antiseptic also used as a food preservative, has a pH of 2.40. Calculate the
6 answers
asked by
Dustin
1,220 views
Predict whether aqueous solutions of the following salts are acidic, basic, or neutral, and
write an equation for the reaction of
3 answers
asked by
pei
166 views
FIND THE PH IN WHICH HYDROGEN ION CONCENTRATION IS 6.38*10-6 MOL/DM CUBE
3 answers
asked by
BENEFIT
328 views
calculate the [H3O+] if
pH= 2.9
4 answers
asked by
Andrea
692 views
What is the pH of a 100 mL solution of 100 mM acetic acid at pH 3.2 following addition of 5 mL of 1 M NaOH? The pKa of acetic
5 answers
asked by
FS
672 views
Lactic acid, a chemical responsible for muscle fatigue, is a monoprotic acid. When 0.578 g of lactic acid is titrated with 0.206
4 answers
asked by
Naomi
3,008 views
Acetic acid is known to be a weak acid. What will happen to the acidity of the solution when sodium acetate is added to acetic
4 answers
asked by
jessie
1,725 views
What is the pH, pOH, [H+] and [OH-] for a solution that contains 5.25 x 10^-3 moles of HCl dissolved in 3.25 L of water?
I was
4 answers
asked by
Joey
1,333 views
Classify each substance as either arrhenius acid or base:
A) HF (aq) B) Ba(OH)2 (aq) C) H2SO4 (aq) D) NH4OH (aq) My work A)
4 answers
asked by
ROSE
1,825 views
what is the ph of a buffer made by mixing 2.00g of sodium acetate with 20.00ml of 1.20 mol/l acetic acid and adding enough water
4 answers
asked by
mehek
644 views
10 ml sample of vinegar an aqueous solution 0f acetic acid( HC2H3O2) is titrated with 0.5062 M and 16.58 ml is required to reach
3 answers
asked by
mathew
2,982 views
The pH level of a popular shampoo is between 6.0 and 6.5 inclusive.What compound inequality shows the pH levels of this shampoo?
3 answers
asked by
sakina
1,855 views
Rank the following compounds in order of increasing acidity.
a. H2O, H3O-, Ho- == HO-, H2O, H3O- b. NH3
4 answers
asked by
Rhea
1,569 views
A certain weak base has a Kb of 8.40 × 10-7. What concentration of this base will produce a pH of 10.34?
4 answers
asked by
Anonymous
1,721 views
Consider the titration of 30.0 mL of 0.050 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have
4 answers
asked by
hannah
6,537 views
A vinegar sample is found to have a density of 1.006 and to contain 4.7 acetic acid by mass.How many grams of acetic acid are
4 answers
asked by
Lisa
1,822 views
What is the pH of a solution of 0.1 M silver hydroxide, which is only 10% ionized?
4 answers
asked by
Sarah
1,124 views
write the dissociation of acetic acid identifying the base,acid,H donor, and H receiver
C2H4O2+H2O - H3O+C2H3O2 is hydronium the
3 answers
asked by
Justin
1,054 views
What is the ph when 100 mL of 0.1 M NaOH is added to 150 mL of 0.2 M Hac if pka for acetic acid =4.76?
4 answers
asked by
brit
1,352 views
For the ionization of a weak acid, HA:
a) give the expression for Ka. b) after taking the log 10 of both sides ofthe quation in
4 answers
asked by
redgy
565 views
A 0.500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 4.02 x 10^-3 M. Find the dissociation
4 answers
asked by
kayla
2,232 views
Citric acid H3C6H5O7, occurs in plants. Lemons contain 5% to 8% citric acid by mass. The acid is added to beverages and candy.
4 answers
asked by
Lauren
2,089 views
PLEASE THE THIS A SOLUTION HAS A PH OF 3.4. WHAT IS ITS HYDROGEN ION CONCENTRATION
3 answers
asked by
ZOEY
558 views
How many (a) H+ ions and (b) OH" ions are present in 250 ml of a solution of pH3?
3 answers
asked by
Ahmed
1,579 views
The concentration of citric acid (H3C6H5O7) in citric fruits ranges from 0.005 M to 0.30 M. Consider a 28.4 mL sample of pure
3 answers
asked by
Jane
2,403 views
The pH of pure water at 50 degrees celsius is 6.63. What is the value of Kw at 50 degrees celsius?
3 answers
asked by
JAY_ndabeh
2,024 views
Classify as acidic base or neutral [H+]= 6.0*10^-10M
5 answers
asked by
Lexi
1,627 views
How many moles of benzoic acid, a monoprotic acid with Ka=6.4×10^-5, must dissolve in 250mL of H2O to produce a solution with
3 answers
asked by
Khadijah
3,508 views
You measure the pH of a 0.50 M unknown acid solution using a pH meter and it is found to be 1.74. What
is Ka for the acid? I know
3 answers
asked by
anon
683 views
What would be pH of a 0.01 M solution of
a very expensive weak base, unobtainamine, whose pKb is 3.8? 1. 2.9 2. 14 3. 2 4. 7 5.
3 answers
asked by
Anonymous
1,197 views
Calculate the pH of a 50.0 mL solution 0.0120 M ethylaminium chloride (C2H5NH3Cl ) and 0.0360 M ethylamine C2H5NH2. Kb = 4.3 x
3 answers
asked by
m
627 views
Calculate the pH at the equivalence point for the titration of 0.130M methalamine (CH3NH2) with 0.13M Hcl. The Kb of methyl
6 answers
asked by
Joe
3,586 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).
pKa1 = 1.3
5 answers
asked by
KB
4,596 views
Comment on the relative acidities of h3po4 and the h2po4 ion?
I don't understand what this question is asking? Would H3PO4 is a
4 answers
asked by
Todd
1,898 views
A substance of Ka of 1 x 10^–5 would be classified as a ____.
A.strong acid B.weak acid C.strong base D.weak base I think it is
4 answers
asked by
Cassie
2,702 views
how do you know that Al(OH)3(s) is a base?
4 answers
asked by
Anonymous
2,710 views
1.a solution that is 6.5×10−2M in potassium propionate C_2 H_5 COOK or KC_3 H_5 O_2 and 8.5×10−2M in propionic acid C_2
3 answers
asked by
Josh G.-Happy Thanksgiving
934 views
How much more acetic acid (pKa = 4.76) than acetate should be in solution to maintain a pH of 4.00?
4 answers
asked by
Jematormal91
1,004 views
Monochloroacetic acid, HC2H2ClO2, is a skin irritant that is used in "chemical peels" intended to remove the top layer of dead
3 answers
asked by
Kaleen
1,237 views
2.) Part A.2. Suppose 6 M HCl is substituted for the 3 M HCl in the procedure. What would be the consequence of this
4 answers
asked by
Andy
1,303 views
An acid HA has Ka = 2.28 x 10^-4. The % ionisation of this acid in a 0.170 M solution of the acid in water is?
An acid HA has Ka
4 answers
asked by
Cheryl
963 views
Calculate the [H+] in a solution that has a pH of 9.00.
3 answers
asked by
teena
624 views
calculate the ph of resulting solution when 2.50 ml of the 2.60 M acetic acid is diluted to make a 250.0 ml solution
4 answers
asked by
TYLER CHIRECE
1,569 views
What is the original molarity of an aqueous solution of ammonia (NH3) whose pH is 11.10 at 25 degrees C? (Kb for NH3=1.8 x
3 answers
asked by
Natalie
1,213 views
Which of the following when added to water will cause a significant change in the pH of the solution?
1 NH4HSO4 2 (NH4)2SO4 3
3 answers
asked by
George2
658 views
find pH of 0.050 M HCLO4 plus 0.050 M HBr> You must consider activities>
2 answers
asked by
Erica
896 views
Lactic acid, HC3H5O3(aq) is a weak acid that gives yougurt its sour taste(Yeeeeecccckkk). Calculate the pH of a 0.0010 mol/L
4 answers
asked by
Geroge B.
1,729 views
An unknown blue liquid is found. When tested, it has high amounts of hydroxide ions and low amounts of hydronium ions. Is this
3 answers
asked by
Ashlynn pugh
183 views
Sore-throat medications sometimes contain the weak
acid phenol, HC6H5O. A 0.10 M solution of phenol has a pH of 5.43 at 25°C.
3 answers
asked by
iuhasdiudsa
576 views
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