Practice finding the % yield

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1. For the balanced equation shown below, if the reaction of 73.9 grams of O₂ produces 13.6 grams of H₂O, what is the percent yield?
C₂H₄+3O₂=>2CO₂+2H₂O

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2. For the balanced equation shown below, if the reaction of 25.8 grams of O₂ produces 4.19 grams of SO₂, what is the percent yield?
2C₆H₆S+11O₂=>12CO+6H₂O+2SO₂

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3. For the balanced equation shown below, if the reaction of 33.5 grams of C₂H₃Br₃ produces a 87.1% yield, how many grams of HBr would be produced ?

C₂H₃Br₃+O₂=>2CO+3HBr

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4. For the balanced equation shown below, if the reaction of 97.8 grams of CS₂ produces 130 grams of S₂Cl₂, what is the percent yield?
CS₂+3Cl₂=>CCl₄+S₂Cl₂

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5. For the balanced equation shown below, if the reaction of 25.4 grams of ZnS produces a 46.6% yield, how many grams of ZnO would be produced ?
2ZnS+3O₂=>2ZnO+2SO₂

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6. For the balanced equation shown below, if the reaction of 77.1 grams of O₂ produces a 53.0% yield, how many grams of CO would be produced ?
4C₂H₃F+7O₂=>8CO+6H₂O+2F₂

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7. For the balanced equation shown below, if the reaction of 50.3 grams of NaOH produces 93.2 grams of NaHCO₃, what is the percent yield?

CO₂+NaOH=>NaHCO₃

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8. For the balanced equation shown below, if the reaction of 78.8 grams of O₂ produces 73.4 grams of HCl, what is the percent yield?
2C₂H₄Cl₂+3O₂=>4CO+2H₂O+4HCl