Asked by Daisy
A student used 10 mL water instead of 30 mL for extraction of salt from mixture. How may this change the percentage of NaCl extracted?
My book says:
% NaCl= (grams of NaCl / total grams of mixture) x 100
What I don't get is if it does change the percentage, why? It says the percentage depends on grams but the question is dealing with mL which is volume. Can someone please help me understand?
My book says:
% NaCl= (grams of NaCl / total grams of mixture) x 100
What I don't get is if it does change the percentage, why? It says the percentage depends on grams but the question is dealing with mL which is volume. Can someone please help me understand?
Answers
Answered by
Steve
both materials have mass associated with the volume. By changing the volume of water, you also change the mass involved.
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