Pre Lab Questions
1. 75lbs * 1kg/2.2lbs= 34.1kg
2. 49m * 100cm/1m= 4900cm *10mm/1cm= 49000mm
3. 10gal * 4qts/1gal= 40qts *1L/1.057qts= 37.843L *1000mL/1L= 37843
Data and Results
Item Length (cm) Number of significant fig
Length of the wrist 16 cm 2 significant numbers
Length of the shoe 25.5 cm 3 significant number
your Height 163.8 cm 4 significant number
Mass
Item Mass in grams
Mass of yourself 49895.2 g 6 significant figure
Mass of gallon of milk 3765.4 g 5 significant figure
Station# Measuring tool Measurement Significant Significant
(with Unit) figures (A) figures (B)
1 Buret A= 40.01mL 4 significant 4 significant
B= 24.15mL figure figure
2 Erlenmeyer A=348.1mL 4 significant 4 significant
flask B= 147.1 figure figure
3 Graduated A=54.01 4 significant
cylinder figure
4 Beaker A=600.01mL 5 significant 4 significant
B= 48.95mL figure figure
5 Meter stick A= 41.07cm 4 significant 3 significant
B=5.01cm figure figure
1. 75lbs * 1kg/2.2lbs= 34.1kg
2. 49m * 100cm/1m= 4900cm *10mm/1cm= 49000mm
3. 10gal * 4qts/1gal= 40qts *1L/1.057qts= 37.843L *1000mL/1L= 37843
Data and Results
Item Length (cm) Number of significant fig
Length of the wrist 16 cm 2 significant numbers
Length of the shoe 25.5 cm 3 significant number
your Height 163.8 cm 4 significant number
Mass
Item Mass in grams
Mass of yourself 49895.2 g 6 significant figure
Mass of gallon of milk 3765.4 g 5 significant figure
Station# Measuring tool Measurement Significant Significant
(with Unit) figures (A) figures (B)
1 Buret A= 40.01mL 4 significant 4 significant
B= 24.15mL figure figure
2 Erlenmeyer A=348.1mL 4 significant 4 significant
flask B= 147.1 figure figure
3 Graduated A=54.01 4 significant
cylinder figure
4 Beaker A=600.01mL 5 significant 4 significant
B= 48.95mL figure figure
5 Meter stick A= 41.07cm 4 significant 3 significant
B=5.01cm figure figure
