9 moles of [tex]H_{2}[/tex] can be made from complete reaction of 6 moles of Al with hydrogen chloride.
In chemistry, stoichiometry is the measurement of the ratios in which different substances or elements interact. The laws of conservation of mass and energy as well as the law of combining weights or volumes serve as the foundation for the rules used in the determination of stoichiometric relationships.
In the field of chemistry known as stoichiometry, needed quantitative data is ascertained by exploiting relationships between the reactants and/or products of a chemical process. Stoichiometry literally translates as the measure of elements because the Greek words stoikhein and metron both mean element and measure, respectively.
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