[Mesa-users] Question about mass fraction

[d10631026陳瑜安]

How can I mark the unit of mass fraction?

d10631026陳瑜安 <d10631026 at gapps.fg.tp.edu.tw> 於 2019年5月17日 週五 下午3:08寫道：

> Thanks!
>
> On Fri, May 17, 2019, 11:57 Francis Timmes <fxt44 at mac.com wrote:
>
>> in simple terms, the mass fraction of a substance within a mixture is
>> the ratio of the mass of that substance to the total mass of the mixture
>>
>> X_i = mass_i / mass_tot
>>
>> since the individual masses sum to the total mass, the mass fractions sum
>> to unity
>>
>> sum X_i = mass_tot / mass_tot = 1
>>
>> your picture seems ok.
>>
>> fxt
>>
>>
>>
>>
>> > On May 15, 2019, at 7:32 PM, d10631026陳瑜安 <d10631026 at gapps.fg.tp.edu.tw>
>> wrote:
>> >
>> > Dear MESA Users,
>> >
>> > I'm not sure whether the meaning of mass fraction is like what I draw
>> in the picture.
>> > I would like to ask about the meaning of mass fraction.
>> >
>> > Thank you,
>> > Ann
>> > <QUESTION.png>_______________________________________________
>> > mesa-users at lists.mesastar.org
>> > https://lists.mesastar.org/mailman/listinfo/mesa-users
>> >
>>
>>
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