Lab 3 Discussion

Lab 3 Discussion - This lab involved two separate parts....

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This lab involved two separate parts. The goal of the first part was to determine the percent of total solids in tap water and ocean water as well as the concentration in parts per million. We looked to achieve this by following the steps outlined in the manual. First we cleaned and dried a 400mL beaker and then weighed it with boiling rocks. Then we poured 75.0 mL of tap water into the beaker. Then we boiled the water until it totally evaporated. Once it was gone, we weighed the beaker again with only the residue and boiling rocks inside. We subtracted the two weights and found the weight of the remaining residue inside. Then we had the information that allowed us to find the concentration in parts per million. We also had the information to figure out the percent total solid in ocean water. By comparing our figures (3.43% total solids and 3.6x10^4 ppm) to those in class who used tap water, we established that ocean water had a much higher ppm ratio as well as a higher percent of total solids compared to the tap water. However, there may have
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Lab 3 Discussion - This lab involved two separate parts....

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