maiphun051 maiphun051

27-12-2022
Chemistry

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Hoà tan hoàn toàn 7,7 gam hỗn hợp mg và Zn trong dung dịch hcl dư thấy có 0,3 gam khí h2 bay ra. Tính khối lượng muối tạo thành trong dung dịch

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