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duongthuthao15
2 năm trước
Cho 0,5 mol H2SO4 tác dung vừa đủ với 0,5 mol NaOH thu được sản phẩm là: A. 1 mol Na2SO4 B. 1 mol Na2HSO4 C. 0,5 mol Na2SO4 D. 0,5 mol Na2HSO4 chọn Đ.A nào vậy bạn
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