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????????????????????????????? ?? F 2 + HNO 3 ? 0 ? 20 ? C HF + FNO 3 \ce {F2 +HNO3 -> [ {0\sim20^ {\ \circ}\!\mathrm {C}}] HF +FNO3}\\ ???????????????????????? FNO 3 + H 2 O HNO 3 + HOF 2 HOF OF 2 + H 2 O \ce {FNO3 +H2O-> HNO3 +HOF}\\ \ce {2HOF ->OF2 +H2O}\\ ?? 3 P 4 + 20 HNO ...
https://www.zhihu.com/question/647138667
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