Experiment 1 Data Sheet
BPD: Balances, Pipets, and Data Analysis
Part A: Density of Water by Graduated Pipet
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Trial 1 |
Trial 2 |
Trial 3 |
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Mass of empty beaker, g
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Mass of beaker plus water, g
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Mass of water, g
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Initial volume reading, mL
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Final volume reading, mL
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Volume delivered, mL
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Density, g/mL*
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Statistical Analysis:
I. Show the calculation of density
for one trial in the space below.
II. Calculate the Mean Density for the three measurements.
(
): ________________________
Show calculation of mean density:
III. To express the precision of your mean
density, calculate the Standard Deviation.
(s):_______________________
Show calculation of standard
deviation:
IV. To express the accuracy of your mean density,
calculate the percent difference, using the standard value of water’s density
below.
% Difference:_______________________
Standard density of water: 1.00 g·cm-3 at 25oC
Show calculation of % Difference: