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How many grams of oxygen are needed to react with 2.5 grams of dihydrogen sulfide?
Wiki User
∙ 11y ago
Sulfur dioxide is SO2, so there are 2 moles of oxygen for each mole of sulfur. In 25 moles of SO2, there are 25 moles of S, so there must be 50 moles of oxygen, or 25 moles of diatomic oxygen gas (O2).
Wiki User
∙ 8y ago
Wiki User
∙ 11y agoAssuming the two reactants are producing sulfuric acid according to the balanced equation H2S + 2O2 --> H2SO4:
2.5g H2S = 0.07mol H2S = 0.14mol O2. 0.14mol x 32g/mol (for O2) = 4.48g O2.
Wiki User
∙ 8y agoWe need 800 g oxygen
Wiki User
∙ 10y ago4.08
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