Determination of Kc (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How many moles of ethanoic acid and ethanol are initially used in the esterification experiment?
How many moles of ethanoic acid and ethanol are initially used in the esterification experiment?
0.1 mol each
What is added to the blank flask in this determination experiment?
What is added to the blank flask in this determination experiment?
20 water + 1 drop
How long must the reaction mixture stand to reach equilibrium?
How long must the reaction mixture stand to reach equilibrium?
At least one week
What colour change does phenolphthalein show at the titration end-point?
What colour change does phenolphthalein show at the titration end-point?
Colourless to pink
What is the volume difference between reaction mixture and blank titrations ()?
What is the volume difference between reaction mixture and blank titrations ()?
31.0
How many moles of ethanoic acid remain at equilibrium?
How many moles of ethanoic acid remain at equilibrium?
0.031 mol
How many moles of ethanoic acid reacted during the esterification?
How many moles of ethanoic acid reacted during the esterification?
0.069 mol
What are the equilibrium amounts of ethyl ethanoate and water (mol)?
What are the equilibrium amounts of ethyl ethanoate and water (mol)?
0.069 mol each
What is the value of for this esterification reaction?
What is the value of for this esterification reaction?
5.0
What does indicate about the equilibrium position?
What does indicate about the equilibrium position?
Products favoured over reactants