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20-12-2017
Chemistry

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How many grams of sodium hydroxide are produced from 3.0 mol of sodium

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20-12-2017

2Na + 2H₂O ⇒ 2NaOH + H₂
n(Na):n(NaOH)=2:2, n(NaOH)=n(Na)=3mol
m(NaOH)=n·M= 3mol · 40g/mol(molar mass, 23+16+1)=120g.

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