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bapmyuyenvt
2 năm trước
Bài 32 Hòa tan 5,3 gam natri cacbonat vào trong dung dịch HCl dự thu được muối natri clorua, khí cacbonic và nước. a) Viết phương trình hóa học của phản ứng. b) Tính thể tích khí CO2, (đktc) thu được sau phản ứng. c) Tính khối lượng HCl tối thiếu cần dùng để hòa tan hết khối lượng natri cacbonat ở trên.
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