Question
What does the chemical formula for quartz, $\mathrm{SiO}_{2}$, tell you about its chemical composition? What does $$\mathrm{KAlSi}_{3} \mathrm{O}_{8}$$ tell you about orthoclase feldspar?
Step 1
The subscript '2' after the 'O' indicates that there are two oxygen atoms for every one silicon atom in a molecule of quartz. Show more…
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