Use the balanced equation shown below to answer the following questions:C5H12 + 8 O2 ------5 CO2 + 6 H2Oa)How many grams of water are produced from reaction of 75.0 g of C5H12 and 125 g of O2?Group of answer choices52.8 gramnone of the above55.4 grams61.2 grams500.0 grams
Question
Use the balanced equation shown below to answer the following questions:C5H12 + 8 O2 ------5 CO2 + 6 H2Oa)How many grams of water are produced from reaction of 75.0 g of C5H12 and 125 g of O2?Group of answer choices52.8 gramnone of the above55.4 grams61.2 grams500.0 grams
Solution
Para resolver este problema, sigamos los siguientes pasos:
-
Balancear la ecuación química: La ecuación ya está balanceada:
-
Calcular las masas molares:
- Masa molar de :
- Masa molar de :
- Masa molar de :
-
Calcular los moles de reactivos:
- Moles de :
- Moles de :
-
Determinar el reactivo limitante:
- Según la ecuación balanceada, 1 mol de reacciona con 8 moles de .
- Para 1.039 moles de , se necesitarían:
- Como solo tenemos 3.906 moles de , es el reactivo limitante.
-
Calcular los moles de agua producidos:
- Según la ecuación balanceada, 8 moles de producen 6 moles de .
- Por lo tanto, 3.906 moles de producirán:
-
Convertir los moles de agua a gramos:
Por lo tanto, la cantidad de agua producida es 52.8 gramos. La respuesta correcta es:
Similar Questions
Given the balanced chemical equation below:2 H2 + O2 --> 2 H2OHow many grams of water are produced when 64.0 g O2 gas reacts completely? You will need to calculate molar masses of O2 gas and H2O firstGroup of answer choices2.00 g4.00 g18.02 g72.1 g
Given the balanced chemical equation: 2 H2 + O2 --> 2 H2OWhat mass (in grams) of water would be produced from 3.00 mol of H2?You will need to calculate molar mass of water yourself.Group of answer choices54.1 g3.00 g18.02 g36.04 g
When the following equation is balanced, the coefficient of O2 is: ___O2 + ___C5H12 → ___CO2 + ___H2OGroup of answer choices3458none of the above.
In the given chemical equation, What is the missing coefficient to balance the equation?___C5H12 + 8 O2 → 5 CO2 + 6 H2O
Balance the following chemical equation:C6H12O6 + O2 --> CO2 + H2OWhat is the coefficient in front of O2 when the equation is balanced?Group of answer choices60123
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.