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Chemistry, 01.08.2021 20:50 paulawells11

Cho hỗn hợp A gồm Mg và Fe tác dụng với một lượng vừa đủ dung dịch H 2 SO 4 19,6% loãng thu được dung dịch B có nồng độ phần trăm của FeSO 4 là 7,1%. Tìm nồng độ C% của muối MgSO 4 trong dung dịch B.

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Cho hỗn hợp A gồm Mg và Fe tác dụng với một lượng vừa đủ dung dịch H 2 SO 4 19,6% loãng thu được dun...
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