Homework Help: Chemistry

Posted by Kay on Monday, February 27, 2012 at 10:53pm.

Suppose that you calculated the mass percent of sand in the mixture to be 42%, though the original mixture really contained only 35% sand. How could you explain these results?

Chemistry - Amanda Mosley, Monday, February 27, 2012 at 11:00pm
When you put the mixture together it had ro of had another compound of sand in the befinning which means that both had consentrations of sand in them
Chemistry - DrBob222, Tuesday, February 28, 2012 at 12:38am
Another explanation is that the "dried" sand, before weighing in the last step, was not dry. The extra water was reported as sand.

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