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Conservation of Copper Lab

Conservation of Copper Lab - Data and Results Before the...

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Data and Results Before the reaction takes place: Mass(g) 50mL side arm flask 48.4687 g Kimwipe with 5 pieces of zinc metal 5.0196 g 1 kimwipe 0.4785 g 50mL flask with copper sulfate sol. 75.4908 g Copper sulfate solution 27.0221 g 5 pieces of zinc metal 4.5411 g Total mass(solution, pieces) 31.5632 g 3M of HCl used to make the copper sulfate solution. Observations: The 5 pieces of zinc metal were a grayish silver color and were hard in texture. The solution of approximately 25mL of 3M HCl turned a greenish- blue color with the CuSO 4. The CuSO 4 stayed at the bottom of the volumetric flask. After reaction takes place: Mass Metal pieces with kimwipe 4.9280 g Mass 50mL flask with solution 72.9540 g Mass Copper sulfate solution 24.4853 g Mass Metal pieces 4.4445 g Mass total mass(solution, pieces, gas) 28.9375 g Volume of balloon 0.0939 L Mass H2 gas produced 0.0077 g Observations: The zinc metal pieces looked darker, a brownish rusted color. The balloon started to blow up about a second after the reaction occurred. The metal pieces were bubbling on the surface. The solution looked bluer than green after
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