A mixture of 39.8 g contains potassium chloride and potassium trioxochlorate (v). Upon heating,...
Question:
A mixture of 39.8 g contains potassium chloride and potassium trioxochlorate (v). Upon heating, the residue weighed 28.7 g. What is the percentage mass of potassium chloride in the residue?
Mass to Mass Stoichiometry:
Given a balanced chemical equation, we can determine the relative quantities of produced formed and reactants consumed. The molar mass of a chemical species may also be used as a conversion factor to convert between an amount from grams to moles.
Answer and Explanation: 1
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View this answerUpon heating, the balanced chemical equation for the decompostion of KClO3 is given below.
{eq}\rm 2KClO_3~\to~2KCl~+~3O_2 {/eq}
After the mixture...
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