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What is the percent by mass of oxygen in H2SO4 ? [formula mass = 98](1) 16% (3) 65%(2) 33% (4) 98%
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What is the percent by mass of oxygen in H2SO4 ? [formula mass = 98](1) 16% (3) 65%(2) 33% (4) 98%

User Sdfsd
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The percent mass of oxygen in sulfuric acid is 65%
User Ferid
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