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OpenStudy (anonymous):
Determine the percent composition of oxygen in barium hydroxide.
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OpenStudy (joannablackwelder):
http://www.chem.tamu.edu/class/majors/tutorialnotefiles/percentcomp.htm
OpenStudy (jimdemers):
Ba(OH)2 weighs: 1 Ba = 137.3 2 O = 32.0 2 H = 2.0 ------------ total: 171.3 % oxygen is 32/171.3 = 18.7%
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