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Station 7: Stain Remover<br />
1. Which substances were miscible? Which were immiscible?<br />
2. Which solvent removed the oil stain the best? Explain why this solvent worked the<br />
best by the concept of polarity.<br />
Station 8: Penny Stacker<br />
1. How many drops of oil fit on the penny? How many drops of water?<br />
2. Why were you able to fit more drops of __ on the penny than drops of ___? Your<br />
response should include the concept of “hydrogen-bonding”.
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