9. A student measures the mass of various volumes of a liquid. Complete the last three corumns of the table. Mass of the liquid m in g Am=±0.1 g Volume Average mass uncertainty Am in g Average Mass in ml mass m range in g %3D Trial 1 Trial 2 Trial 3 in g 1.0 1.6 1.4 1.7 1.5 2.2 1.8 2.0 2.0 2.7 2.7 2.4 2.5 3.7 3.4 3.1 3.0 3.8 3.9 4.3
9. A student measures the mass of various volumes of a liquid. Complete the last three corumns of the table. Mass of the liquid m in g Am=±0.1 g Volume Average mass uncertainty Am in g Average Mass in ml mass m range in g %3D Trial 1 Trial 2 Trial 3 in g 1.0 1.6 1.4 1.7 1.5 2.2 1.8 2.0 2.0 2.7 2.7 2.4 2.5 3.7 3.4 3.1 3.0 3.8 3.9 4.3
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Transcribed Image Text:9.
A student measures the mass of various volumes of a liquid. Complete the last
three columns of the table.
Volume
Mass of the liquid
Average
Mass
Average mass
uncertainty
Am in g
in ml
m in g Am = ±0.1 g
mass m
range
Trial 1
Trial 2
Trial 3
in g
in g
1.0
1.6
1.4
1.7
1.5
2.2
1.8
2.0
2.0
2.7
2.7
2.4
2.5
3.7
3.4
3.1
3.0
3.8
3.9
4.3
10. An electronic balance has a resolution of 0.01 grams, but lacks the ability to read a
measured quantity as zero – the balance always reads 0.10 grams when nothing is on it.
a.
What type of uncertainty is this inability to read zero called?
) If you had a beaker and some graphite, to what uncertainty could you
determine the amount of graphite (in grams) using the balance described in the previous
question? Explain the procedure you would use to determine this.
b.
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