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noonaof55
2 năm trước
Tính số mol của các chất sau: a) 2,0g NaOH b) 3,36 lít O2 ( điều kiện tiêu chuẩn) c) 4,48 lít H2S( điều kiện tiêu chuẩn) d) 200 ml dung dịch H2SO4 ( điều kiện tiêu chuẩn)
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