Nhỏ từng giọt đến hết 125 ml dung dịch HCl 4M vào 375 ml dung dịch chứa đồng thời hai chất tan NaOH 0,4M và Na2SO3 0,8M đồng thời đun nhẹ để đuổi hết khí SO2. Thể tích khí SO2 thu được (ở đktc) là bao nhiêu?
Nhỏ từng giọt đến hết 125 ml dung dịch HCl 4M vào 375 ml dung dịch …
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Trong các chất sau: Cu, HCl, C2H5OH, HNO2, KOH, Na2SO3, CH3OH/khí HCl. Axit aminoaxetic tác dụng được với những chất nào:
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Nhận biết HCl , NaOH , Na2SO4 , NaCl , NaNO3 bằng cách nào? - khanh nguyen
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