Gaseous hydrogen and oxygen can be prepared in the laboratory from the decomposition of gaseous water The equation for the reaction is 2 H₂O(g) 2 H₂(g) + O₂(g) Calculate how many grams of O₂(g) can be produced from 94.9 g H₂O(g).

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.