Stoichiometry and Theoretical Yield in Chemical Reactions

What is the stoichiometry of the reaction?

Given the reaction: SiO2 + CSIC + CO, find the theoretical yield of silicon carbide if 50.0 grams of silicon dioxide reacts with 79.1 grams of Carbon.

Stoichiometry Calculation

The mass of the Silicon Carbide is 33.3 g. To determine the stoichiometry, we need to calculate the number of moles of each reactant involved in the reaction.

In a balanced chemical equation, the coefficients in front of the chemical formulas represent the number of moles of each substance that participate in the reaction. For the given reaction:

SiO2 + CSIC + CO

The molar masses are: SiO2 (60 g/mol) and Carbon (12 g/mol).

Number of moles of silicon dioxide = 50.0 grams / 60 g/mol = 0.833 moles

Number of moles of Carbon = 79.1 g / 12 g/mol = 6.6 moles

Since silicon dioxide is the limiting reactant, the theoretical yield of silicon carbide can be calculated as:

0.833 moles * 40 g/mol = 33.3 g

Therefore, the stoichiometry of the reaction is based on the molar ratios of the reactants and products involved.

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