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nguyenthithaonguyen264
2 năm trước
Bài 1: Cho phản ứng sau 2Al+3H2SO4 -----> Al2(SO4)3+3H2 Nếu lấy 9,45g Al cho tác dụng vs axit dư thì thu đc bao nhiêu lít khí hidro (đktc) Bài 2: Hiện tượng khi thổi hơi thở vào nước vôi trong. Viết pt hóa học
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