Question

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According to the following reaction, how many moles of sodium hydroxide will be formed upon the complete reaction of 0.263 moles
sodium with excess water?
2Na(s) + 2H, 0() 2NaOH(aq) + H2(g)
mol sodium hydroxide
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Answer 1

0.263 mole of NaOH

Step-by-step explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

2Na + 2H₂O —> 2NaOH + H₂

From the balanced equation above,

2 moles of Na reacted to produce 2 moles NaOH.

Finally, we shall determine the number of mole of NaOH produced by the reaction of 0.263 mole sodium, Na. This can be obtained as follow:

From the balanced equation above,

2 moles of Na reacted to produce 2 moles NaOH.

Therefore, 0.263 mole of Na will also react to produce 0.263 mole of NaOH.

Thus, 0.263 mole of NaOH was obtained from the reaction.