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Chemistry, 22.07.2021 14:00 funnybugy16
Hòa tan 1 lượng hh gồm al và al2o3 trong dd h2so4 loãng vừa đủ thu đc dd X trong đó số nguyên tử oxi gấp 19,5 lần số nguyên tử nhôm. a:tính nồng độ phần trăm của chất tan có trong dd X, b :cho 82,8 gam dd X tác dụng với V lít dd NaOh 1M, sau phản ứng thu đc 14,04 gam kết tủa. Tìm V
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Hòa tan 1 lượng hh gồm al và al2o3 trong dd h2so4 loãng vừa đủ thu đc dd X trong đó số nguyên tử oxi...
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