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thuymiku1004
2 năm trước
Cho 1 khối lượng mạc sắt dư 50ml dung dịch Hydrochloric( HCl) . Phản ứng xong thu được 3,7185 lít khí (đkc) A) Viết chương trình hóa học B) Tính khối lượng mạt sắt đã tham gia phản ứng C) Tính nồng độ mol của dung dịch HCl đã dùng Cho Fe: 56 H:1 Cl:35,5
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