Thursday, January 17, 2008

Video Tutorial: Percent Composition

Percent Composition

After watching the video, try these Practice Problems. Answers are in [] for your reference:

NaCl [39.34% Na, 60.66% Cl]
(NH4)3PO4 [28.19% N, 8.11% H, 20.77% P, 42.93% O]

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