•What is the % composition of SO2?
•SO2 weighs in at 64.07 g/mol
•S contributes 32.07 of it, oxygen 2 x 16.00
•%S = (32.07/64.07) • 100 = 50.05%
•%O = (32.00/64.07) • 100 = 49.94%
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