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Alo123
2 năm trước
cho hỗn hợp Na và K tác dụng với nước tạo ra sản phẩm gồm hidroxit, kali hidroxit và có khí Hidro thoát ra a. Viết các phương trình phản ứng xảy ra, dung dịch sau phản ứng làm quỳ tím chuyển sang màu gì ? b.Nếu có 4,6g Na tác dụng với nước thì sẽ có bao nhiêu lít khí H2 thoát ra đktc
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