Answers

2014-10-09T14:09:52+08:00
Molar mass
- the mass ( in g ) of one mole of a substance.

how to get mole

for example:

n k = 56.58g

mole k = 56.58g x 1 mol
                              39 g 
  
= 1.45 mol

39 grams is the molar mass of k
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