下列操作能达到实验目的是a用过滤的方法分离nacl和nano3的混合物b用适量的稀盐酸除去热水瓶胆壁上的水垢c通过盛氢氧化钠溶液的洗气瓶 Template




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tomski下列操作能达到实验目的是a用过滤的方法分离nacl和nano3的混合物b用适量的稀盐酸除去热水瓶胆壁上的水垢c通过盛氢氧化钠溶液的洗气瓶 coloring