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Chemistry 5070 · Cambridge (CAIE) O Level
Mole Concept
3 past-paper questions on Mole Concept · examined 2024–2025.
20252 questions
5070/21 · O/N · Q6(b)(i) [2]Sign up to mark my answer →
Calculate the number of molecules of ethyne in a sample with a mass of 0.130 g.
5070/21 · O/N · Q6(b)(ii) [1]Sign up to mark my answer →
Calculate the total number of atoms in this sample of ethyne.
20241 question
5070/11 · O/N · Q9 [1]Sign up to mark my answer →
Which mass of carbon contains the same number of atoms as 16.0 g of sulfur?
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