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16-02-2024
Chemistry

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In the balanced chemical equation 2A + 5B ↔ 3C + D, if 8 mol of A are mixed with 20 mol of B at an elevated temperature and 5 mol of A have reacted, what is the remaining amount of B?

A) 12 mol
B) 15 mol
C) 18 mol
D) 20 mol

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