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Showing posts with label Formula mass. Show all posts
Showing posts with label Formula mass. Show all posts

Thursday, 30 August 2018

Formula mass

August 30, 2018    No comments

 Formula mass

The average mass of a formula unit of an ionic compound in atomic mass unit is called its formula mass.
It is applicable to ionic substance .Formula unit of NaCl and formula mass is 23 + 55 = 58.5amu according to crystal structure.

Formula unit

                       A formula unit as the implies , is one unit representing simple ratio between positive and negative charge.

For example 

                     The formula unit of NaCl have one Na and and one Cl.



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