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quynhchi872004
2 năm trước
Hòa tan 6 gam kim loại m bằng dung dịch hcl dư, xảy ra phản ứng theo phương trình hóa học : M + 2HCl -t°-> MCl2 + H2 sau khi phản ứng xảy ra hoàn toàn thu được 23,75 gam muối. a) M là kim loại gì? b)) tính thể tích hiđro thoát ra (ở đktc) Phần pthh e ko biết viết nhiệt độ lên trên được. Mong mọi người giúp giùm ạ.
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