In a combustion reaction between 700.0 mL propane, C3H8 with oxygen gas, O2 at 25 °C, an unknown gas, X and water, H2O are produced. Given the balanced equation for its chemical reaction C3H8 (g) + 5O2 (g) → 3X (g) + 4H2O (g) [Molar mass: C3H8 = 44.10, O2 = 32.00 g mol-1 ] (a) Determine the number of moles for propane used in the reaction if its density is 1.81 g dm-3 (b) What would be the pressure of X gas if the volume produced is 930.0 ml once the reaction is completed? (c) Determine the final volume of X gas if the reaction is performed at STP

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".