Amount of reagent that is present in excess has to be determined. Concept Introduction: In a chemical reaction , limiting reagent is the reactant that gives how much of the products are made. The other reactants are consumed and formed in accordance to stoichiometry. A limiting reagent is a reagent that gets consumed up first and limits the reaction. The product formation will depend upon the amount of limiting reagent. Ratio of actual yield by theoretical yield multiplied by 100 gives percent yield. Percent yield equal to 100 % implies that actual and theoretical yield is same. Percent yield is below 100 % usually because actual yield is lower in magnitude than theoretical value due to incomplete reactions and loss of sample during recovery.

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Chapter ST, Problem 26PQ

Interpretation Introduction

Interpretation:

Amount of reagent that is present in excess has to be determined.

Concept Introduction:

In a chemical reaction, limiting reagent is the reactant that gives how much of the products are made. The other reactants are consumed and formed in accordance to stoichiometry. A limiting reagent is a reagent that gets consumed up first and limits the reaction. The product formation will depend upon the amount of limiting reagent.

Ratio of actual yield by theoretical yield multiplied by 100 gives percent yield. Percent yield equal to 100 % implies that actual and theoretical yield is same. Percent yield is below 100 % usually because actual yield is lower in magnitude than theoretical value due to incomplete reactions and loss of sample during recovery.

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