Chemistry, 01.08.2021 21:20 mscharris66
1. Cần bao nhiêu tấn quặng pirit sắt chứa 90% FeS2 để điều chế 224 lít SO2 đktc. Biết H=90%. 2. Đốt cháy 2 tấn quặng pirit sắt chứa 15% tạp chất. H=75%. Tính VSO2 thu được đktc
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1. Cần bao nhiêu tấn quặng pirit sắt chứa 90% FeS2 để điều chế 224 lít SO2 đktc. Biết H=90%. 2. Đốt...
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