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MassachusettsChemistryQuick questions

Module 3: Chemical reactions and stoichiometry

Quick questions on Stoichiometric calculations - MA High School Chemistry Module 3

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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For 2KClO32KCl+3O22\text{KClO}_3 \rightarrow 2\text{KCl} + 3\text{O}_2, how many moles of oxygen form from 4 mol of KClO3\text{KClO}_3? [1]
What is q2?
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Why must the equation be balanced before you read the mole ratio? [1]

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