Challenge Sulfuric acid (H2 SO4) is formed when sulfur dioxide (SO2) reacts with oxygen and wate

step 1 In this question, we need to write the balanced equation of the reaction between sulfur dioxide,

Challenge Sulfuric acid (H2 SO4) is formed when sulfur...

Challenge Sulfuric acid $\left(\mathrm{H}_{2} \mathrm{SO}_{\mathfrak{4}}\right)$ is formed when sulfur dioxide $\left(\mathrm{SO}_{2}\right)$ reacts with oxygen and water. \begin{equation} \begin{array}{l}{\text { a. Write the balanced chemical equation for the reaction. }} \\ {\text { b. How many moles of } \mathrm{H}_{2} \mathrm{SO}_{4} \text { is produced from } 12.5 \text { moles of } \mathrm{SO}_{2} \text { ? }} \\ {\text { c. How many moles of } \mathrm{O}_{2} \text { are needed? }}\end{array} \end{equation}

Challenge Sulfuric acid $\left(\mathrm{H}_{2} \mathrm{SO}_{\mathfrak{4}}\right)$ is formed when sulfur dioxide $\left(\mathrm{SO}_{2}\right)$
reacts with oxygen and water.
\begin{equation}
\begin{array}{l}{\text { a. Write the balanced chemical equation for the reaction. }} \\ {\text { b. How many moles of } \mathrm{H}_{2} \mathrm{SO}_{4} \text { is produced from } 12.5 \text { moles of } \mathrm{SO}_{2} \text { ? }} \\ {\text { c. How many moles of } \mathrm{O}_{2} \text { are needed? }}\end{array}
\end{equation}

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Key Concepts

Mole Concept

The mole concept is a basic chemical measurement that provides a means to count particles (atoms, molecules, ions) in a substance by relating the mass of the substance to a specific number of particles, known as Avogadro's number. In stoichiometric calculations, moles provide a bridge between the mass of a substance and the number of particles involved in the reaction by using the balanced equation's mole ratios.

Balanced Chemical Equations

A balanced chemical equation represents the chemical reaction with the same number of each type of atom on both the reactant and product sides, in compliance with the law of conservation of mass. Establishing a balanced equation is fundamental as it provides the necessary stoichiometric coefficients that are used to determine the quantitative relationships between the reactants and the products.

Stoichiometry

Stoichiometry involves the quantitative relationship between reactants and products in a chemical reaction. Using the coefficients from the balanced chemical equation, it allows for the calculation of how many moles or masses of a reactant are needed to produce a desired amount of product, or how much product is formed from a given amount of a reactant.

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