答案1
您可以使用siunitx
单位和数字,以及mhchem
物质名称。
\documentclass{article}
\usepackage{amsmath}
\usepackage{siunitx}
\usepackage[version=4]{mhchem}
\sisetup{output-decimal-marker={,}}
\begin{document}
\[
\SI{30}{\milli\liter}\,\mathrm{dis.}\cdot
\frac{\SI{0,1}{\mol}\,\ce{NaOH}}{\SI{e3}{\milli\liter}\,\mathrm{dis.}}\cdot
\frac{\SI{1}{\mol}\,\ce{HftK}}{\SI{1}{\mol}\,\ce{NaOH}}\cdot
\frac{\SI{204,23}{\mol}\,\ce{HftK}}{\SI{1}{\mol}\,\ce{HftK}}=
\SI{0,61269}{\gram}\,\ce{HftK}
\]
\end{document}