Using Moles to Balance Equations (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
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Practise the questions
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Practise the questions
8 questions from this quiz
What is the first step when using moles to balance equations?
What is the first step when using moles to balance equations?
Convert mass to moles
In the ammonia example, what mass of nitrogen was used?
In the ammonia example, what mass of nitrogen was used?
5.6 g
What are the moles of when 5.6 g is divided by Mr of 28?
What are the moles of when 5.6 g is divided by Mr of 28?
0.2 moles
What is the relative molecular mass (Mr) of ?
What is the relative molecular mass (Mr) of ?
2
How many moles of are produced from 6.8 g with Mr = 17?
How many moles of are produced from 6.8 g with Mr = 17?
0.4 moles
To simplify the ratio, what should you divide all mole amounts by?
To simplify the ratio, what should you divide all mole amounts by?
The smallest mole amount
What is the simplified ratio for hydrogen in the ammonia reaction?
What is the simplified ratio for hydrogen in the ammonia reaction?
3