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Chemistry, 14.08.2021 04:30 danielboek

hòa tan hoàn toàn 14,3 gam hỗn hợp gồm Al và FeCO3 bằng dd h2so4 loãng dư thì khối lượng dd sau phản ứng tăng so h2so4 ban đầu 9,6 gam . tính khối lượng Al va feco3 trog X ?

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