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Yennguyen20
2 năm trước
Trộn lẫn 200mldung dịch gồm HCL 0,5,H2SO4 0,5M với 200ml dung dịch Bà(OH)2 1M được dùng dịch X A) viết phương trình ion thu gọn của phản ứng xảy ra và tính pH của x. Giúp mình với, cảm ơn mọi người nhiều
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