ummm yea.....we had a lab....sooo fun.. 6D to be precise. This experiment is unique in that it takes 2 days to do it. The purpose of this is to determine which reactant is limiting and which is excess.
ok we wore our super cool stuff. Then we obtained 2 reactants known as Na2Co3 and Cacl2. We weighed them both and then we combined them in a 25ml beaker and waited for 5 minutes. We probably waited for 13 min and 42 sec but whos counting? Anyway we then set up a ringstand with a paper funnel in the hole of the ringstand( must be folded triangularly bro and weighed). underneath the filter paper was a clean beaker. We then poured our 13 min and 42 sec combined solution into the filter paper and waited....and waited...for like 18min and 21 sec. Then we found out we had a murky white substance in the beaker and some left over residue in the paper funnel. We then saved our filter paper to weigh next time. From our experiment we can conclude we had an excess and limiting reactant!!
yea i had to do this
Na2CO3 + CaCl2 ---> CaCO3 + 2NaCl
this is the reaction and when we weigh the precipitate left behind in the filter paper we can determine which reactant is excess and which is limiting and by how much! omg so exciting
This is how you fold the filter paper
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