Empirical formula example (Edexcel GCSE Chemistry): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the relative atomic mass () of magnesium () used in this calculation?
What is the relative atomic mass () of magnesium () used in this calculation?
24
What is the relative atomic mass () of chlorine () used in this calculation?
What is the relative atomic mass () of chlorine () used in this calculation?
35.5
How many moles of are present in 1.92 g?
How many moles of are present in 1.92 g?
0.08 moles
How many moles of are present in 5.68 g?
How many moles of are present in 5.68 g?
0.16 moles
When simplifying the ratio, what number should you divide both mole values by?
When simplifying the ratio, what number should you divide both mole values by?
The smallest number of moles
What is the simplified ratio for after dividing 0.08 by 0.08?
What is the simplified ratio for after dividing 0.08 by 0.08?
1
What is the simplified ratio for after dividing 0.16 by 0.08?
What is the simplified ratio for after dividing 0.16 by 0.08?
2
What is the empirical formula of the compound?
What is the empirical formula of the compound?
What is the simplest whole-number ratio of to in the compound?
What is the simplest whole-number ratio of to in the compound?
1:2
What mass of chlorine () was used in this calculation?
What mass of chlorine () was used in this calculation?
5.68 g