483g Na2SO4·10H2O中所含的Na+的物质的量是        和SO42—的物质的

483g Na2SO4·10H2O中所含的Na+的物质的量是        和SO42的物质的量是         ,所含H2O分子的数目是               个。

答案

3mol   1.5mol  15NA


解析:

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