Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker...
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Transcript of Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker...
![Page 1: Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker b.Dogancay dish c.Glass thingy d.Erlenmeyer flask e.Sippy.](https://reader036.fdocuments.in/reader036/viewer/2022062423/56649e865503460f94b89341/html5/thumbnails/1.jpg)
Acids and Bases
![Page 2: Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker b.Dogancay dish c.Glass thingy d.Erlenmeyer flask e.Sippy.](https://reader036.fdocuments.in/reader036/viewer/2022062423/56649e865503460f94b89341/html5/thumbnails/2.jpg)
Name this piece of glassware that is used in a macro-titration lab.
a. Beakerb. Dogancay dishc. Glass thingyd. Erlenmeyer flaske. Sippy cup
![Page 3: Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker b.Dogancay dish c.Glass thingy d.Erlenmeyer flask e.Sippy.](https://reader036.fdocuments.in/reader036/viewer/2022062423/56649e865503460f94b89341/html5/thumbnails/3.jpg)
Name this piece of glassware that is used in a macro-titration lab
a.Tube thingy
b.Pipette
c. Buret
d.Acid dispenser
e.Moss covered family credenza
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What is the name of the part that controls the flow of acid/base out of the buret?
a.Gas valve
b.Stop cock
c. On/off switch
d.Toggle switch
e.Open/close thingy
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What piece of safety equipment did Beaker forget to wear today?a.earrings
b.noserings
c. goggles
d.Low-rise jeans
e.sunglasses
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What is the name of the point where acid just barely neutralizes a base in a titration. Hint: the solution will look light pink if phenolthalein has been added.
a.Bomb-digity
b.Pink perfection
c. Acid point
d.End point
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In the reaction, NH4+ + H2O NH3 + H3O
+, water is acting as a(n):
A) Arrhenius acid C) Bronsted-Lowry acidB) Arrhenius base D) Bronsted-Lowry base
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In the reaction, CO32- + H2O HCO3
- + OH-, the carbonate ion (CO3
2-) is acting as a(n):
A) Arrhenius acid C) Bronsted-Lowry acidB) Arrhenius base D) Bronsted-Lowry base
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If the hydrogen ion concentration is 1 x 10-10 M, what is the nature of the solution?
A) acidic B) basic C) neutral
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A solution in which the hydroxide ion concentration is 1 x 10-3 M is:
A) acidic B) basic C) neutral
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Which of these solution is the MOST acidic?
A) [H+] = 1 x 10-5 M C) [H+] = 1 x 10-10 MB) [OH-] = 1 x 10-12 M D) [OH-] = 1 x 10-8 M
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In a neutral solution, the [H+] is:
A) 1 x 10-14 M B) zeroC) 1 x 107 M D) equal to [OH-]
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If the hydrogen ion concentration is 1 x 10-11 M, what is the pH of the solution?
A) 1 B) 4 C) 7 D) 11
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If the hydroxide ion concentration is 1 x 10-12 M, what is the pH of the solution?
A) 1 B) 2 C) 12 D) 14
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Which of these is an Arrhenius base?
A) LiOH B) NH3
C) H2PO4- D) H2O
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Which of the following is a Bronsted-Lowry base, but not an Arrhenius base?
A) NaOH B) Ca(OH)2 C) NH3
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What products result from a neutralization reaction?
A) acids and bases C) a salt and waterB) water only D) polar covalent compounds
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What is the normality of a 2.0 M solution of phosphoric acid (H3PO4)?
A) 0.67 N B) 1.5 N C) 1.0 ND) 4.0 N E) 6.0 N
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Which of the following is a property of an acid?
A) sour taste C) strong colorB) non-electrolyte D) slippery feel
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Which of these is a property of a base?
A) non-electrolyte C) sour tasteB) water feel D) bitter taste
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What pair listed below represents a Bronsted-Lowry acid & conjugate base in this reaction?
CN- + H2O HCN + OH-
A) CN- and H2O B) H2O and HCN
C) CN- and HCN D) H2O and OH-
![Page 22: Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker b.Dogancay dish c.Glass thingy d.Erlenmeyer flask e.Sippy.](https://reader036.fdocuments.in/reader036/viewer/2022062423/56649e865503460f94b89341/html5/thumbnails/22.jpg)
Titrations - $100
BACK
100. mL
How much 1.50 M NaOH is necessary to exactly neutralize 20.0 mL of 2.50 M H3PO4?
![Page 23: Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker b.Dogancay dish c.Glass thingy d.Erlenmeyer flask e.Sippy.](https://reader036.fdocuments.in/reader036/viewer/2022062423/56649e865503460f94b89341/html5/thumbnails/23.jpg)
Titrations - $200
BACK
5
In a micro-titration lab, how many drops of 0.12 M NaOH will exactly neutralize 6 drops of 0.10 M HCl?
![Page 24: Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker b.Dogancay dish c.Glass thingy d.Erlenmeyer flask e.Sippy.](https://reader036.fdocuments.in/reader036/viewer/2022062423/56649e865503460f94b89341/html5/thumbnails/24.jpg)
Titrations - $300
BACK
How much 0.50 M HNO3 is necessary to titrate 25.0 mL of 0.05 M Ca(OH)2 solution to the endpoint?
5.0 mL
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Titrations - $500
BACK
What is the molarity of a NaOH solution if 15.0 mL is exactly neutralized by 7.5 mL of a 0.02 M HC2H3O2 solution?
0.01 M
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Titrations - $1000
BACK
If you found that the unknown concentration of an acid is 0.791 M, and the literature value of the acid concentration is 0.821 M, then what is your percent error?
3.65%
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pH and pOH - $100
What is the pOH of a solution with a pH of 6?
BACK
8
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pH and pOH - $200
BACK
2
What is the pH of a 0.01 M solution of HCl?
![Page 29: Acids and Bases Name this piece of glassware that is used in a macro-titration lab. a.Beaker b.Dogancay dish c.Glass thingy d.Erlenmeyer flask e.Sippy.](https://reader036.fdocuments.in/reader036/viewer/2022062423/56649e865503460f94b89341/html5/thumbnails/29.jpg)
pH and pOH - $300
What is the pH of a 3.0 M solution of HF that has a 10.0% dissociation?
BACK
0.52
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pH and pOH - $500
BACK
SALT + WATER
What two substances are formed when an acid reacts with a base?
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pH and pOH - $1000
What two products are formed when HC2H3O2 reacts completely with NaOH?
BACK
NaC2H3O2 + H2O