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Chemistry — Second Secondary

Chemistry — Second Secondary

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Chemistry — Second Secondary 2026/2027

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Quiz

Chapter 1 — Chemical Calculation — Picture questions (exam style)

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1.
A 10 g sample of C₆H₁₂O₆ (Mr = 180). Which option is correct?
A 10 g sample of C₆H₁₂O₆ (Mr = 180). Which option is correct?
moles = 0.0556 mol, molecules = 3.34×1022
moles = 0.0556 mol, molecules = 1.67×1022
moles = 0.111 mol, molecules = 3.34×1022
moles = 0.0556 mol, molecules = 1.00×1023