作业帮help me with the chemistry questions about solubility!1.等质量的两块钠,第一块在足量氧气中加热,第二块在足量氧气（常温）中充分反应,则下列说法正确的是C．第二块钠的反应产物质量最大 这个正确
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help me with the chemistry questions about solubility!1.等质量的两块钠,第一块在足量氧气中加热,第二块在足量氧气（常温）中充分反应,则下列说法正确的是C．第二块钠的反应产物质量最大 这个正确
help me with the chemistry questions about solubility!
1.等质量的两块钠,第一块在足量氧气中加热,第二块在足量氧气（常温）中充分反应,则下列说法正确的是
C．第二块钠的反应产物质量最大
这个正确吗?为什么?
2.若电解熔融的氯化钠,则钠离子被氧化成钠原子.
这个正确吗?为什么?
help me with the chemistry questions about solubility!1.等质量的两块钠,第一块在足量氧气中加热,第二块在足量氧气（常温）中充分反应,则下列说法正确的是C．第二块钠的反应产物质量最大 这个正确
1,不对,第一个生成Na2O2,第二个生成Na2O,反正钠的质量相等,谁结合氧多谁就质量大
2,Na+变成Na,化合价降低,得电子,被还原,所以正确
1、正确。生成物不同，第一块生成Na2O2，第二块生成Na2O
2、错。钠离子正一价，钠原子0价，应是被还原。
不对 有可能第二块生成的氧化钠结合水生成氢氧化钠质量减少
错。钠离子正一价，钠原子0价，应是被还原
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