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Year 10 2025-26 Empirical formulae revision

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Last updated about 2 hours ago
9 questions
Note from the author:
5
5
4
1
2
1
1
3
1
Question 1
1.
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Question 2
2.
Question 3
3.
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Question 4
4.
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42
3
Question 5
5.
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Question 6
6.
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Question 7
7.
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Question 8
8.
50% oxygen and 50%

Calculate the empirical formula
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32
1.5625
2
16
1
Question 9
9.
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0.3
11.2
0.2
4.8
3
2
16
56
16.0 g of an oxide of iron formed from 11.2 g
Calculate the empirical formula