(a) Initial Buret Reading (b) Final Buret Reading Trial 1 Trial 2 Trial 3

Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter3: Measurement And Chemical Calculations
Section: Chapter Questions
Problem 99E
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Trial 1
Initial Volume
Trial 3
Initial Volume
8
-9
0
35
30
25
Trial 2
Initial Volume
10 d for
thcare
Example 2: Measuring the Volume of a Liquid
Trial 1
Final Volume
Trial 2
Final Volume
EEE
Trial 3
Final Volume
28
29
30
37
38
38
39
When measuring liquid volumes, the graduated scale must be read from the
lowest point of the curved surface of the liquid - the liquid meniscus.
The graduated cylinder markings are every 1-milliliter. The correct reading is
30.0 mL. The first 2 digits 30.0 are known exactly. The last digit 30.0 is
uncertain. Even though it is a zero, it is significant and must be recorded.
Transcribed Image Text:Trial 1 Initial Volume Trial 3 Initial Volume 8 -9 0 35 30 25 Trial 2 Initial Volume 10 d for thcare Example 2: Measuring the Volume of a Liquid Trial 1 Final Volume Trial 2 Final Volume EEE Trial 3 Final Volume 28 29 30 37 38 38 39 When measuring liquid volumes, the graduated scale must be read from the lowest point of the curved surface of the liquid - the liquid meniscus. The graduated cylinder markings are every 1-milliliter. The correct reading is 30.0 mL. The first 2 digits 30.0 are known exactly. The last digit 30.0 is uncertain. Even though it is a zero, it is significant and must be recorded.
(a) Initial Buret Reading
(b) Final Buret Reading
Trial 1
Trial 2
Trial 3
Transcribed Image Text:(a) Initial Buret Reading (b) Final Buret Reading Trial 1 Trial 2 Trial 3
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