a) Viết PTHH xảy ra?
b) Xác định khối lượng mỗi chất có trong hỗn hợp A?
c) Tính nồng độ phần trăm của dung dịch HCl đã dùng. (Biết Mg=24, O=16, Cl=35,5, H=1 )
BÀI LÀM:
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PHÒNG GD&ĐT HIỆP ĐỨC HƯỚNG DẪN CHẤM MÔN HÓA HỌC 9