\documentclass{article}
\usepackage{amsmath}
\begin{document}
To calculate Q_{sp} for PbCl_2, we use:
\[
Q_{sp} = [\text{Pb}^{2+}] \times [\text{Cl}^{-}]^2
\]
\end{document}
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Stefan Kottwitz
- Site Admin
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chemistry
You need to use math mode:
Or use the 
chemformula package:
Stefan
Code: Select all
To calculate $Q_{sp}$ for $PbCl_2$Code: Select all
\documentclass{article}
\usepackage{chemformula}
\begin{document}
To calculate \ch{Q_{sp}} for \ch{PbCl2}, we use:
\[
\ch{Q_{sp}} = [\ch{Pb^{2+}}] \times [\ch{Cl-}]^2
\]
\end{document}LaTeX.org admin