Back to the full dot-point answer
QLDChemistryQuick questions
Unit 1: Chemical fundamentals (structure, properties and reactions)
Quick questions on The mole concept and stoichiometric calculations (QCE Chemistry Unit 1)
5short 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 are working with balanced equations?Show answer
A balanced chemical equation gives mole ratios between reactants and products. The coefficients are read as "moles per mole".
What is percentage yield?Show answer
The theoretical yield is the maximum predicted from stoichiometry assuming the limiting reagent reacts completely. Actual yield is what you measured in the lab.
What is q1?Show answer
Define the mole and state the value of Avogadro's constant to three significant figures. [2 marks]
What is q2?Show answer
Combustion of propane gives and water. Calculate moles of produced. .
What is q3?Show answer
A compound contains C, H, O by mass; . (a) Calculate empirical formula. (b) Determine molecular formula.
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.