Conductivity Lab

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The main goal of this lab was to keep adding sodium chloride to distilled water to get the conductivity of the water to level 4 on the conductivity level chart. Distilled water without salt, also known as sodium chloride has a 0 conductivity level, but adding salt will increase the conductivity. I tested the conductivity of salt and distilled water to determine how conductive they are without combining. I added 0.2 g of salt each time to determine exactly when the conductivity level changes. The more salt added would lead to being the distilled water to be more conductive. After adding 0.2 g each time eventually I added 1.2 g of salt total and reached conductivity level 4 using the conductivity meter. Later in this lab I took compounds of Na3PO4, AgNO3, Na2CO3 NaOH, Pb(NO3)2, FeCl3, and NaCl, which are all liquids at room temperature. I then…show more content…
Methods Part 1 Materials: Goggles, 2 small beakers, conductivity meter, salt, distilled water, stir rod, balance Step 1: I filled 1 beaker with 250 ml of distilled water and tested the conductivity with the conductivity meter Step 2: I tested the conductivity of a small amount of sodium chloride (salt) Step 3: I added 0.2g of sodium chloride to the distilled water and stirred it then tested the conductivity of the solution Step 4: I kept adding 0.2g of sodium chloride until the solution reached level 4 on the back of the conductivity meter Part 2 Materials: Goggles, spot plate, solutions of Na3PO4, AgNO3, Na2CO3 NaOH, Pb(NO3)2, FeCl3, NaCl, stir rod Step 1: I Put 5 drops of 2 different solutions in the first spot and waited for the mixture to settle and then recorded the reaction or color of the mixed liquid before moving on to the next solution Step 2: I repeated step 1 for the following 11 spots so there are 4 rows and 3 columns Step 3: I used a stir rod to determine if the mixed solutions are a precipitate or a non precipitate depending on what forms (liquid or solid) based on the mixture after all mixtures
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