This is 12.011 grams per mole or 12.011 atomic mass units,AMU.
这是12。011克每摩尔,或者12。011原子质量单位。
The average mass of an atom of an element, usually expressed relative to the mass of carbon 2, which is assigned 2 atomic mass units.
一种元素中原子的平均重量，通常相对碳2的重量来表示，碳2的重量定为十二个原子量单位。
The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.
一种元素中原子的平均重量，通常相对碳12的重量来表示，碳12的重量定为十二个原子量单位。
The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.
一种元素中原子的平均重量，通常相对碳12的重量来表示，碳12的重量定为十二个原子量单位。
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