Lab homework for chemistry

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