The equation to produce sodium hydroxide is shown below. NaCl(aq) + H2O(l) arrow NaOH(aq) +...

Question:

The equation to produce sodium hydroxide is shown below.

{eq}NaCl(aq) + H_2O(l) \to NaOH(aq) + HCl(aq) {/eq}

A small sample of seawater is used. This amount contains 966 grams of water and 29.5 grams of {eq}NaCl {/eq}.

a. How much {eq}NaOH {/eq} should be produced if the reaction gives a 100% yield?

b. Which reactant is the limiting reactant?

c. Suppose only 15.6 grams of {eq}NaOH {/eq} is actually produced. What is the percent yield of the scaled-down reaction?

Theoretical Yield:

The theoretical yield of a product in a chemical reaction can be determined by identifying the limiting reactant in the reaction mixture and for this we will find the moles of the reactants as follows:

{eq}\rm Moles = \dfrac{mass}{molar\ mass} {/eq}

Answer and Explanation: 1

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We are given the following reaction:

{eq}\rm NaCl(aq) + H_2O(l) \to NaOH(aq) + HCl(aq) {/eq}

  • Mass of {eq}\rm NaCl = 29.5\ h {/eq}
  • Mass of {eq}\rm...

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Calculating Reaction Yield and Percentage Yield from a Limiting Reactant

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Chapter 9 / Lesson 6
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How to calculate the theoretical yield? Learn the definition and formula of percent yield. Use the theoretical yield equation to calculate theoretical yield.


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