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Mai2021
2 năm trước
Cho 400ml dung dịch có pH=1 vào 400ml dung dịch X chứa đồng thời các ion: HCO3- 0,1M, HSO3- 0,15M. Sau khi phản ứng xảy ra hoàn toàn thu được V lít khí đktc. Giá trị của V là:
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