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✨ Best Answer ✨

(NH₄)₂S なので、
(14×1+1×4)×2+32×1
=(14+4)×2+32
=18×2+32
=36+32
=68
★1molで、68g
136/68=2mol

はち

Sに2掛けてました!ありがとうございます

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