AS Chemistry Fundemental Calculation

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AS Chemistry doesnt have many calculations. Certainly not in comparison to physics. However what makes chemistry difficult is the way paper asks you question. The best way to overcome this is to learn your calculations inside out and do as many past papers as you can to understand what the question is asking.

Simple Calculations:

1.

\mbox{moles} = \frac{\mbox{mass}}{\mbox{RFM}}  (http://upload.wikimedia.org/math/1/d/3/1d3cbb33d09c510a05af3b7e9b41eecd.png) - Relative Formula Mass

Question: In a lab scientist were using 2 moles of hydrochloric acid (HCL) in a reaction to…

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