4:11 lab
Upload your picture of your precipitate before filtration.
To receive credit, the beaker and its contents must be clearly visible in the picture, as well as clearly labeled with your name, the lab title, the name of the compound, and the date.
Question 2 (16 points)
Upload your picture of your sample being filtered.
To receive credit, your sample and your setup must be clearly visible in the picture, and your sample labeled with your name, the lab title, the name of the compound, and the date.
Question 3 (16 points)
Upload your picture of your dried precipitate being massed on the scale.
To receive credit, your sample and its mass readout must be clearly visible in the picture, as well as clearly labeled with your name, the lab title, the name of the compound, and the date.
Question 4 (16 points)
Upload your picture of your before and after 24 hr samples of CaCl2 (with the “after” being massed on the scale).
To receive credit, your “before” sample and your “after” sample and its mass readout must be clearly visible in the picture, as well as each clearly labeled with your name, the lab title, the name of the compound, and the date.
Question 5 (24 points)
Upload your completed Table 1: Data and Observations, Table 2: 24 Hour CaCl2, calculations, and Post-Lab Question answers.
Question 6 (12 points)
Answer the following Post-Lab Questions on potential sources of error in this experiment.
1) What could have or did go wrong?
2) How might this have impacted your data?
3) How could you address/fix such errors in future experiments?