题目内容：

将50ml10mol/l的h2so4溶液加水稀释到250ml,用5mol/l的naoh溶液中和,需要碱液多少毫升

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完整题目如下：将50ML10mol/l的H2SO4溶液加水稀释到250ml取稀释溶液10ml,用5mol/l的naoh溶液中和,需要碱液多少毫升?n(H2SO4)=cV=10*0.05=0.5molc(H2SO4)=n/V=0.5/0.25=2mol/Ln(H2SO4)=cV=2*0.01=0.02molH2SO4+2NaOH=...