Hi guys can someone help please I didn’t this three time already but I still got it wrong can someone please give me the answers or examples this is the last one sorry

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Q.9
12 mol of Cl2 = 12 × 6.023 × 10²³ particles = 72.276 × 10²³ particles
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Q.10
4.80 mol of water = 4.80 × 6.023 × 10²³ particles = 28.91 × 10²³ particles
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Q.11
1.32 mol of C2F2H4 = 1.32 × 6.023 × 10²³ particles = 7.95 × 10²³ particles
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Q.12
2.40 mol of AgCl = 2.40 × 6.023 × 10²³ particles = 14.45 × 10²³ parricles
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