Respuesta :
Stoichiometry comes down to the mole ratios, as given by the balanced chemical equation. Your balanced equation says that 1 mole of sugar will react with 12 moles of oxygen to make 12 moles of CO2 and 11 moles of water. If 12 moles of oxygen reacts with 1 mole sugar, then how many moles of oxygen will react with 2 moles of sugar? Despite the fact that sugar can be used for model rocket fuel, this ain't rocket science.
As for the other two, you still have to work with the mole ratios as given by the balanced equation. But you have to covert the mass of NH3 to moles first, then figure out the moles of ammonium chloride and then convert it back to grams. This is best done with a couple of conversion factors.
As for the other two, you still have to work with the mole ratios as given by the balanced equation. But you have to covert the mass of NH3 to moles first, then figure out the moles of ammonium chloride and then convert it back to grams. This is best done with a couple of conversion factors.
The number of moles of oxygen required is 24 moles.
Given:
Moles of sugar = 2.0 moles
To find:
Moles of oxygen = ?
Combustion reaction occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide and water molecule. The chemical equation for the combustion of sugar follows:
[tex]C_{12}H_{22}O_{11}+12O_2\rightarrow 12CO_2+11H_2O[/tex]
By stoichiometry of the reaction:
1 mole of sugar reacts with 12 moles of oxygen.
So, 2.0 moles of sugar will react with [tex]=\frac{12}{1}\times 2.0=24\text{ moles}[/tex] of oxygen
So, the required moles of oxygen are 24 moles.
Learn more about stoichiomety:
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