AnswersIL-Physical Science A-CRAcids and Bases in Solution

Lab: Acids and Bases Answers

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X the pH of the solution✔ the physical propertiesthe system for measurement

A
X the pH of the solution
B
✔ the physical properties
C
the system for measurement
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✔ the pH of the solutionX the physical propertiesthe system for measurement

A
✔ the pH of the solution
B
X the physical properties
C
the system for measurement
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Use the diagram of the solution and its key to answer the questions.

Answers:
What type of solution is represented by the beaker?:acidic
Which would be a good estimate of the solution’s pH?:pH = 6
If you poured out half the solution in the beaker, the pH of the remaining solution would .:stay the same
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Use the diagram of the solution and its key to answer the questions.

Answers:
What type of solution is represented by the beaker?:acidic
Which would be a good estimate of the solution’s pH?:pH = 6
If you poured out half the solution in the beaker, the pH of the remaining solution would .:stay the same
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✔ pH = 6pH = 8pH = 14

A
✔ pH = 6
B
pH = 8
C
pH = 14
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increasedecrease✔ stay the same

A
increase
B
decrease
C
✔ stay the same
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Which image best represents a solution of distilled water at pH = 7?

A
[Image: A cylinder contains many pale blue balls and 3 pur...]
Option A
B
[Image: A cylinder contains about equal numbers of pale bl...]
Option B
C
[Image: A cylinder contains 3 pale blue balls and many pur...]
Option C
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Question text not available

Answer:

0.0000000000001

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red (left)purple (middle)✔ green (right)

A
red (left)
B
purple (middle)
C
✔ green (right)
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✔ red (left)purple (middle)green (right)

A
✔ red (left)
B
purple (middle)
C
green (right)
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red (left)✔ purple (middle)green (right)

A
red (left)
B
✔ purple (middle)
C
green (right)
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tomato juiceorange juice✔ gastric acid

A
tomato juice
B
orange juice
C
✔ gastric acid
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two timesten timestwenty times✔ one hundred times

A
two times
B
ten times
C
twenty times
D
✔ one hundred times
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✔ baking sodaammonia solutionbleach

A
✔ baking soda
B
ammonia solution
C
bleach
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12✔ 34

A
1
B
2
C
✔ 3
D
4
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34✔ 56

A
3
B
4
C
✔ 5
D
6
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2 times20 times100 times✔ 1,000 times

A
2 times
B
20 times
C
100 times
D
✔ 1,000 times
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Which could be sources of error in the lab? Check all that apply.measurement of volumes when making the serial dilutionsapproximating the pH based on matching colors between pH papersmiscalculation of pH values using the reference tablesnot boiling the cabbage long enough or hot enough to make the indicator solutionusing distilled water to make your dilutions instead of sea water

A
measurement of volumes when making the serial dilutions
B
approximating the pH based on matching colors between pH papers
C
miscalculation of pH values using the reference tables
D
not boiling the cabbage long enough or hot enough to make the indicator solution
E
using distilled water to make your dilutions instead of sea water

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