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I've written the following lines,

\begin{equation}
FeTiO_{3} + 2H_{2}SO_{4} \rightarrow FeSO_{4} + TiOSO_{4} + 2H_{2}O
\end{equation}

After this, the resulting titanium oxygen sulphate is 
extracted and hydrolised to form titanium dioxide. Before

My problem that I have is that, after trying to write a phrase after ending the equation, I get the error message, "! Missing $ Inserted" for both lines 78 and 79 (The two lines beginning the paragraph) followed by < insertedtext >$.

I'm fairly new to latex and texmaker, so I'm not sure if this problem is easily solved or not, but it's really impeding on my progress with an assignment! Is there something I'm missing with this?

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closed as off-topic by LaRiFaRi, Andrew Swann, Kurt, Jesse, Paul Gessler Jul 15 at 15:31

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Welcome! You should post a Minimal Working Example, something that we can compile, so that we will be able to understand your problem. –  Clément Jul 15 at 10:08
2  
For writing chemical formulas and reaction equations it is probably better to use a special package, such as chemmacros –  Christian Hupfer Jul 15 at 10:11
    
Sorry everyone, I just figured it out, further into the paragraph I wrote "FeSO_{4}" which was giving the error, I fixed it by writing "FeSO\begin{scriptsize}4\end{scriptsize}. However, is there an easier way to write scriptsize in plain writing, not in the equation? –  Hamish Jul 15 at 10:12
1  
@Hamish, you can also write FeSO$_{4}$, or better use a specific chemical package as suggested by Christian. –  JLDiaz Jul 15 at 10:14
4  
This question appears to be off-topic because it is too localized. –  LaRiFaRi Jul 15 at 15:02

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