Dogesomeonetosleep Dogesomeonetosleep

09-12-2022
Chemistry

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Cho 20 g hh gồm mg và fe2o3 tác dụng hoàn toàn vs 300 g dung dịch hcl sau phản ứng thu dc 6,72 L khí h2 ( đktc )
Tính thành phần phần trăm của từng chất trong hóa học đầu
Help vs mai kt ;^;

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