Acids and Bases

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33 Terms

1
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Acids taste

sour

<p>sour</p>
2
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Bases taste

bland/ bitter

<p>bland/ bitter</p>
3
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<p>Acids turn litmus paper</p>

Acids turn litmus paper

red

<p>red</p>
4
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<p>Bases turn litmus paper</p>

Bases turn litmus paper

blue

<p>blue</p>
5
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acids feel

irritating to the skin and sticky

6
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bases feel

slippery

7
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whats the pH range of acids?

low (< 7)

<p>low (&lt; 7)</p>
8
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whats the pH range of bases?

high (> 7)

<p>high (&gt; 7)</p>
9
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what is the characteristic group of acids?

H⁺ ion

10
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what is the characteristic group of bases?

OH⁻

11
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Are acids a strong or weak conductor?

strong conductor in aqueous solutions

<p>strong conductor in aqueous solutions</p>
12
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Are bases a strong or weak electrolytes?

can be strong or weak

13
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Acids ________ with metals

react

14
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Bases __________ with metals

dont react

15
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Arrhenius theory on acid

acids produce nitrogen ions (H⁺) in aqueous solutions

16
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Arrhenius theory on bases

bases produce hydroxide ions (OH⁻) when dissolved in water

17
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Lewis theory on acids

acids are the electron pair acceptor

18
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Lewis theory on bases

bases are the electron pair donor

19
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Bronsted theory on acids

is hydrogen-ion donor (H⁺ or proton)

20
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Bronsted theory on bases

base hydrogen- ion acceptor

21
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What is a titrant?

what is dropped into the titration (the base)

<p>what is dropped into the titration (the base)</p>
22
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What is an end point?

when the color changes in a titration

<p>when the color changes in a titration</p>
23
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What is a standard solution?

what is known

<p>what is known</p>
24
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What is neutralization?

a reaction in which and acid and a base react in an aqueous solution to produce a salt and water

<p>a reaction in which and acid and a base react in an aqueous solution to produce a salt and water</p>
25
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What is molarity?

a unit of concentration expressed as the number of moles of dissolved solute per liter of solution.

<p>a unit of concentration expressed as the number of moles of dissolved solute per liter of solution<span>.</span></p>
26
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<p>How do you find the end point of a titration?</p>

How do you find the end point of a titration?

you read the burette after the color of the solution changes

27
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<p>How do you calculate the end point?</p>

How do you calculate the end point?

initial reading - final reading = endpoint

28
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How do you complete a titration?

  1. Rinse the burette thoroughly with distilled water

  2. pour about 10mL of titrant and roll it around the burette to clean it open stopcock and rinse when done

  3. fill burette with the titrant slightly past the 0.0mL mark and drain it to exactly 0.0mL and record the initial reading

  4. prepare the solution to titrate in an Erlynmeyer flask with 2-3 drops of indicator and swirl the solution

  5. begin titrating by slowly opening and closing the stopcock and swirling the solution until the solution becomes a light pink

  6. Record he final reading and subtract from the initial

<ol><li><p>Rinse the burette thoroughly with distilled water</p></li><li><p>pour about 10mL of titrant and roll it around the burette to clean it open stopcock and rinse when done</p></li><li><p>fill burette with the titrant slightly past the 0.0mL mark and drain it to exactly 0.0mL and record the initial reading</p></li><li><p>prepare the solution to titrate in an Erlynmeyer flask with 2-3 drops of indicator and swirl the solution</p></li><li><p>begin titrating by slowly opening and closing the stopcock and swirling the solution until the solution becomes a light pink</p></li><li><p>Record he final reading and subtract from the initial</p></li></ol>
29
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pOH=

-log [ OH- ]

30
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pH + pOH =

14

31
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[ H⁺ ] =

10⁻ᵖʰ

32
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[ OH- ] =

10⁻ᵖᴼᴴ

33
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pH stands for

power of hydrogen

<p>power of hydrogen</p>