GCSE Chemistry – Empirical formula
Learning Objectives
-I can deduce empirical formulas of compounds from descriptions of atoms or diagrams
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Question 1 of 8
1. Question
What is an empirical formula?
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Question 2 of 8
2. Question
What can be found using the composition of atoms?
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Question 3 of 8
3. Question
For which type of compounds is the empirical formula used for?
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Question 4 of 8
4. Question
What should you do if when you find the empirical formula some of your values are not in whole numbers?
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Question 5 of 8
5. Question
A compound consists of 37%C, 2% H, 19%N and 42%O
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Question 6 of 8
6. Question
A compound consists of C – 81.58%, H – 8.90% and N – 9.52%, work out the empirical formula.
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Question 7 of 8
7. Question
A compound consists of C – 60%, H – 4.48% and O – 35.53%, work out the empirical formula.
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Question 8 of 8
8. Question
A compound consists of C – 15.87%, H – 2.57%, N – 18.15% and O – 63.41%, work out the empirical formula.
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