the average human requires 120.0 grams of glucose (C6H12O6) per day. How many grams of CO2 (in the cellular reapiration reaction) are produced from this amount of glucose? the balanced cellular respiration reaction is: C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
the average human requires 120.0 grams of glucose (C6H12O6) per day. How many grams of CO2 (in the cellular reapiration reaction) are produced from this amount of glucose? the balanced cellular respiration reaction is: C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
C6H12O6 + 6O2 => 6CO2 + 6H2O
mols C6H12O6 = grams/molar mass = ?
Using the coefficients in the balanced equation, convert mols glucose to mols CO2. That is done this way.
?mols CO2 = mols glucose from above x (6 mols CO2/1 mol glucose) = ?
Then convert mols CO2 to grams. grams = mols x molar mass = ?
Post your work if you get stuck.
Good
To find out how many grams of CO2 are produced from 120.0 grams of glucose (C6H12O6) in the cellular respiration reaction, we need to use stoichiometry.
Let's break down the balanced cellular respiration reaction:
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
This equation tells us that one molecule of glucose reacts with six molecules of oxygen to produce six molecules of carbon dioxide and six molecules of water.
To find the molar mass of glucose, add up the atomic masses of its elements:
C: 6 atoms × 12.01 g/mol = 72.06 g/mol
H: 12 atoms × 1.01 g/mol = 12.12 g/mol
O: 6 atoms × 16.00 g/mol = 96.00 g/mol
Total molar mass of glucose: 72.06 g/mol + 12.12 g/mol + 96.00 g/mol = 180.18 g/mol
Next, using the stoichiometry of the reaction, we can set up the following proportion:
1 mol C6H12O6 / 180.18 g C6H12O6 = x mol CO2 / 6 * 44.01 g CO2
Simplifying the equation:
x mol CO2 = (1 mol C6H12O6 / 180.18 g C6H12O6) * (6 * 44.01 g CO2)
Calculating the value of x:
x = (1 / 180.18) * (6 * 44.01) ≈ 0.732 mol CO2
Finally, we can convert the moles of CO2 to grams by multiplying by the molar mass of CO2:
0.732 mol CO2 * 44.01 g CO2/mol = 32.17 g CO2
Therefore, from 120.0 grams of glucose, approximately 32.17 grams of CO2 are produced during cellular respiration.