Analyze Tetraphosphorus trisulphide (P4 S3) is used in the match heads of some matches. It is pr

Analyze Tetraphosphorus trisulphide (P4 S3) is used in the...

Analyze Tetraphosphorus trisulphide $\left(\mathrm{P}_{4} \mathrm{S}_{3}\right)$ is used in the match heads of some matches. It is produced in the reaction $8 \mathrm{P}_{4}+3 \mathrm{S}_{8} \rightarrow 8 \mathrm{P}_{4} \mathrm{S}_{3}$ Determine which of the following statements are incorrect, and rewrite the incorrect statements to make them correct. a. 4 mol $P_{4}$ reacts with 1.5 mol $S_{8}$ to form 4 mol $P_{4} S_{3}$ b. Sulfur is the limiting reactant when 4 $\mathrm{mol} \mathrm{P}_{4}$ and 4 $\mathrm{mol} \mathrm{S}_{8}$ react. c. 6 mol $P_{4}$ reacts with 6 mol $S_{8},$ forming 1320 $\mathrm{g} \mathrm{P}_{4} \mathrm{S}_{3}$

Analyze Tetraphosphorus trisulphide $\left(\mathrm{P}_{4} \mathrm{S}_{3}\right)$ is used in the match heads of some matches. It is produced in the reaction $8 \mathrm{P}_{4}+3 \mathrm{S}_{8} \rightarrow 8 \mathrm{P}_{4} \mathrm{S}_{3}$ Determine which of the following statements are incorrect, and rewrite the incorrect statements to make them correct.

a. 4 mol $P_{4}$ reacts with 1.5 mol $S_{8}$ to form 4 mol $P_{4} S_{3}$
b. Sulfur is the limiting reactant when 4 $\mathrm{mol} \mathrm{P}_{4}$ and 4 $\mathrm{mol} \mathrm{S}_{8}$ react.
c. 6 mol $P_{4}$ reacts with 6 mol $S_{8},$ forming 1320 $\mathrm{g} \mathrm{P}_{4} \mathrm{S}_{3}$

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Key Concepts

Chemical Reaction Stoichiometry

Stoichiometry involves using the coefficients in a balanced chemical equation to relate the moles of reactants and products. This concept allows one to determine how much of each substance is required or produced in a reaction, ensuring that the law of conservation of mass is satisfied in quantitative analyses.

Limiting Reactant

The limiting reactant is the substance that is completely consumed first in a chemical reaction, thereby limiting the amount of product that can be formed. Identifying the limiting reactant is crucial in stoichiometric calculations because it determines the maximum possible yield of the reaction.

Mole Concept and Molar Mass

The mole is a fundamental unit in chemistry that represents a specific number of particles, and molar mass serves as a conversion factor between the mass of a substance and the number of moles. This concept is essential for converting between grams and moles, which is a key step in quantifying reactants and products in chemical reactions.

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