我想罗嗦一下，质量，而不是摩尔数。

And, I mean literally, mass, not mole number.

youdao

显然是质量守恒，而不是摩尔数守恒。

So, clearly, mass is conserved, not mole Numbers.

youdao

显然是质量守恒，而不是摩尔数守恒。

So, clearly, mass is conserved, not mole Numbers.

youdao