Answer:
245 mL
Explanation:
Please see the step-by-step solution in the picture attached below.
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Since the reaction gives off heat energy it is considered to be an exothermic reaction
An electron has a negative charge of one
An neutron has no charge (hence, neutral)
An proton has a positive charge of one
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2H₂₍g₎ + O₂ ₍g₎→ 2H₂O
138 mol H₂ × (2 mol H₂O ÷ 2 mol H₂)= 138 mol H₂O
64 mol O₂ × (2 mol H₂O ÷ 1 mol O₂)= 128 mol H₂O
128 mol H₂O