b0027 ebook mol calculation

Mol Calculation ebook :
This is my first ebook.  Most O level students have difficulty understanding this chapter.  That's why I made this one first.  There are only 7 formulas only in this chapter.  The difficulty is knowing when to apply those formulas.  
In this ebook, the calculation is done in tables.  You can easily spot your own mistake when you fill up the tables.
buy the book by clicking this button :
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I've test the link in the button. The program works.  Just incase there are glitches, sms me at 9088 5633.  I'll send the ebook through email.