Problemas
Methane burns according to the equation CH_(4)+O_(2)... CO_(2)+H_(2)O You burn 1.77 grams of methane (CH_(4)) in excess oxygen and collect 1.79 grams of water. What is the percent yield for this reaction to the nearest 0.01 ? Your Answer: square square Answer units
Roztwór
Juana
professionell · Tutor durante 6 años
4.6
(157 Votos)
Respuesta
### 45.04%
Explicación
## Step1: Write the balanced chemical equation### The balanced chemical equation for the combustion of methane is:
## Step2: Calculate moles of methane burned### Molar mass of
is
g/mol. Moles of
burned:
## Step3: Determine theoretical yield of water### According to the balanced equation, 1 mole of
produces 2 moles of
. Therefore, moles of
produced:
### Molar mass of
is
g/mol. Theoretical yield of
:
## Step4: Calculate percent yield### Percent yield is given by:
### Substituting the values: