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When sodium combines with water to produce sodium hydroxide and hydrogen gas, what is...

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robmel123 | Student, Grade 9 | eNotes Newbie

Posted February 19, 2009 at 9:46 AM via web

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When sodium combines with water to produce sodium hydroxide and hydrogen gas, what is the balanced equation?

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cburr | Middle School Teacher | (Level 2) Associate Educator

Posted February 19, 2009 at 9:54 AM (Answer #1)

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2Na + 2H2O = 2NaOH + H2

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jillyfish | Student, Undergraduate | Valedictorian

Posted February 19, 2009 at 7:25 PM (Answer #3)

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Hydrogen molecules are diatomic. In its normal state, two hydrogen atoms bond to form a hydrogen molecule, H2.

So...

Na + H2O = NaOH + H would not work because H is not the product of the reaction.

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2Na + 2H2O = 2NaOH + H2

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