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thankiemtk00
2 năm trước
Bài 1. Viết PTHH và ghi rõ điều kiện ( nếu có) cho dãy chuyển hóa sau: C CO2 NaHCO3 Na2CO3 CaCO3 CO2 CO CO2 H2CO3 Bài 2. Axit axetic là axit hữu cơ có công thức phân tử CH3COOH; với nồng độ loãng từ 2-5% làm giấm ăn. Để trung hòa 400ml axit axetic 2M cần dùng bao nhiêu gam dung dịch NaOH 12% tạo ra muối natri axetat CH3COONa và nước.
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