Plants breathe in carbon dioxide to make sugar through photosynthesis. How much sugar can they create if 200 grams of carbon dioxide are used?

Respuesta :

Answer: 135 grams of sugar.

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 Liters at STP and contains avogadro's number [tex]6.023\times 10^{23}[/tex] of particles.

To calculate the moles, we use the equation:

[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}[/tex]

[tex]\text{Number of moles of carbon dioxide=\frac{200g}{44g/mol}=4.5moles[/tex]  

[tex]CO_2[/tex] acts as limiting reagent as it limits the formation of product.

[tex]6CO_2+6H_2O\rightarrow C_6H_{12}O_6+6O_2[/tex]

According to stoichiometry:

6 mole of [tex]CO_2[/tex] reacts to give 1 mole of sugar

Thus 4.5 moles of [tex]CO_2[/tex] will react to give=[tex]\frac{1}{6}\times 4.5=0.75[/tex] moles of sugar

Mass of [tex]C_6H_{12}O_6=moles\times Molar mass=0.75moles\times 180g/mol=135grams[/tex]

Thus 135 grams of sugar can be created.