According To The Reaction Above, If - 5 - Moles Of - C - O - Toppr

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SolveGuidesJoin / LoginUse appLogin0You visited us 0 times! Enjoying our articles? Unlock Full Access!Standard XIIChemistryQuestionC2H5OH+3O2→2CO2+3H2OAccording to the reaction above, if 5 moles of CO2 are produced, then which of the following is true? (MW of C2H5OH=46)
  1. 115g of C2H5OH are consumed
  2. 58g of C2H5OH are consumed
  3. 192g of O2 are consumed
  4. 96g of O2 are consumed
A115g of C2H5OH are consumedB58g of C2H5OH are consumedC192g of O2 are consumedD96g of O2 are consumedOpen in AppSolutionVerified by Toppr

C2H5OH + 3O2 = 2CO2 + 3H2OFrom the above equation it is seen that two moles of Carbon Dioxide are produced from one mole of Ethanol. Molecular weight of Carbon Dioxide is 44 grams.Thus, two moles of CO2 weighs (2∗44) grams, that is 88grams.Five moles of CO2 weighs (5∗44) grams, that is 220grams.One mole of Ethanol weighs 46grams.Thus, from the equation above-88grams of CO2 is obtained from 46grams of C2H5OH1gram of CO2 is obtained from 4688grams of C2H5OH220grams of CO2 is obtained from 4688∗220 grams, that is 115grams of C2H5OHOption A is the correct answer.

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