Laboratory Techniques and Measurements

Lab 1: Laboratory Techniques and Measurements

Data Table 2

Hot water from tap (Celsius degrees) Boiling Water (Celsius degrees) Boiling water 5min (degrees Celsius)

50 80 98

Cold water from tap (Celsius degrees) Ice Water (Celsius degrees) Ice Water-5 min (Celsius degrees)

15 13 5

Data Table 3

Test tube volume (ml) Number of drops in 1 ml Pipet volume (ml)

10ml 23 drops 6ml

Data table 4

Object Estimated Mass (g) Actual Mass (g)

Bulb from Chemistry set 8 14.0

Colace bottle w/med 17 14.7

Bluetooth 3 11.6

Battery 46.3 44.5

Removable bra straps 10.2 8.0

Glasses reading 18 18.6

Pez candy container 19.5 22.1

Density Measurements

Mass A Mass B Mass A-B

Object Graduated cylinder + substance Graduated cylinder Substance Substance volume Density M/V

Water 21.3g 16.7g 4.6g 1.2g

Isopropyl alcohol 21.0g 16.7g 4.3g 1.3g

Saturated salt solution 24.3g 16.7 7.6g 1.5g

F. Hypothesis: I think the salt solution will have a lesser density due to it being heavier, In the end it had