问题
计算题
53克Na2CO3的物质的量是多少？所含Na+和CO32-的物质的量各是多少？
答案
0.5mol；1mol；o.5mol
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53克Na2CO3的物质的量是多少？所含Na+和CO32-的物质的量各是多少？
0.5mol；1mol；o.5mol
| 句型转换填空。 |
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