The tungsten metal used for filaments in light bulbs is made by reaction of tungsten(VI) oxide with hydrogen WO3(s) + 3 H₂(g) → W(s) + 3 H₂O(g) The above reaction was performed and produced 3.24 g of tungsten. Y How many grams of tungsten(VI) oxide must you start with to prepare 3.24 g of tungsten? (For WO3, MW-231.8 amu) Express your answer with the appropriate units. Value Submit Part E HA Submit Value Provide Feedback undo How many grams of hydrogen must you start with to prepare 3.24 g of tungsten? Express your answer with the appropriate units. μA 3 Units Request Answer Units ? Request Answer ? 1

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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".