Chemistry
Chemistry, 24.09.2021 01:30, chloeboo

dùng 6,72 l khí hidro khử hoàn toàn a g sắt iii oxit cho toàn bộ kl sắt thu dược sau phản ứng vừa đủ 200g dung dịch HCL

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dùng 6,72 l khí hidro khử hoàn toàn a g sắt iii oxit cho toàn bộ kl sắt thu dược sau phản ứng vừa đủ...

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