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| When measuring we always got down eye level to make sure the bottom of the meniscus was right on the amount we needed |
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| Washing the sides of the beaker to make sure all the copper was in the solution and not stuck to the side |
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| We washed the graduated cylinder with distilled water to be sure that there was no other solution in it |
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| When we removed the leftover pieces of Zinc we washed the pieces to make sure all the copper was off. |
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