What mass of CO must react with excess oxygen to produce 0.96 g of CO2?
2CO + O2 2CO2
To calculate the mass of CO required to produce 0.96 g of CO2, we need to use the stoichiometry of the balanced equation.
The balanced equation is: 2CO + O2 -> 2CO2
From the equation, we can see that 2 moles of CO produce 2 moles of CO2.
First, let's calculate the molar mass of CO2:
12.01 g/mol (atomic mass of carbon) + 2 * 16.00 g/mol (atomic mass of oxygen) = 44.01 g/mol
Next, let's convert the given mass of CO2 to moles:
0.96 g / 44.01 g/mol ≈ 0.0218 mol
Since we have a 1:1 mole ratio between CO2 and CO, we need the same number of moles of CO:
0.0218 mol * (2 mol CO / 2 mol CO2) = 0.0218 mol
Lastly, to convert the moles of CO to mass, we use the molar mass of CO:
0.0218 mol * 28.01 g/mol (molar mass of CO) = 0.612 g
Therefore, the mass of CO required to produce 0.96 g of CO2 is approximately 0.612 g.