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How many moles of sodium hydroxide are produced when 0.155 mole of sodium reacts with excess water?

Question:

How many moles of sodium hydroxide are produced when 0.155 mole of sodium reacts with excess water?

Limiting and Excess Reactants:

In a chemical reaction, if one of the reactants is present in amounts lesser than that required for the complete reaction with the other reactant is termed limiting reagent. The other reactant present is termed excess reagent.

The amount of products formed in the reaction is decided by the reactant present in limiting amounts.

Answer and Explanation: 1

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The balanced chemical equation for the reaction between sodium and water is:

{eq}2Na_{(s)}+2H_{2}O_{(l)}\rightarrow 2NaOH_{(aq)}+H_{2(g)} {/eq}

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Limiting Reactant: Definition, Formula & Examples

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Chapter 9 / Lesson 7
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Learn the definition of a limiting reactant, the formula, and how to determine a limiting reactant. See examples of limiting reactants and their problems.


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