碳酸钠与水可以形成三种含水盐:Na2CO3 H2O(s)、Na2CO3•7H2O(s)和Na2CO3 10H2O(s)。在常压下,Na2CO3(s)与Na2CO3溶液及一种Na2CO3含水盐(s)三相平衡,则该含水盐含有____________个水分子。衡,则该含水盐含有____________个水分子。
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上一篇:增值税一般纳税人取得注明旅客身份信息的铁路车票,计算增值税进项税额的leave, left, leaving; which, where, whatNow the world's supplies of gold are quickly going down and new discoveries are rare. Most of the gold__________ is underground in far-off places________ are often scenic spots.
增值税一般纳税人取得注明旅客身份信息的铁路车票,计算增值税进项税额的leave, left, leaving; which, where, whatNow the world's supplies of gold are quickly going down and new discoveries are rare. Most of the gold__________ is underground in far-off places________ are often scenic spots.