Amounts of Substances in Equations (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
9 questions from this quiz
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Practise the questions
9 questions from this quiz
What do the numbers in front of formulas in a balanced equation tell you?
What do the numbers in front of formulas in a balanced equation tell you?
The ratio of moles
In , how many moles of Mg react?
In , how many moles of Mg react?
1 mole
In , how many moles of HCl are needed?
In , how many moles of HCl are needed?
2 moles
In , how many moles of are produced?
In , how many moles of are produced?
1 mole
What formula is used to calculate moles from mass?
What formula is used to calculate moles from mass?
Moles =
How many moles are in 6g of Mg if the Mr of Mg is 24?
How many moles are in 6g of Mg if the Mr of Mg is 24?
0.25 moles
When calculating moles, when would you use Ar instead of Mr?
When calculating moles, when would you use Ar instead of Mr?
For elements
What can you work out using mole ratios from a balanced equation?
What can you work out using mole ratios from a balanced equation?
Amounts needed or produced
In , what is the ratio of Mg to ?
In , what is the ratio of Mg to ?
1:1