Chem

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Author:
justicero
ID:
241147
Filename:
Chem
Updated:
2013-10-17 01:39:58
Tags:
Chem
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Description:
Chem
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  1. S  P  D  F
  2. 1 Mole
    6.02*1023
  3. molecular weight=molar mass
    Ca= 40.078 g/mol

    *under element name
  4. % composition of NaHCO3
    Element= molecular weight(of element)/molar mass(of total compound)

    • H=1.00/84.0(100)=1.2%
    • C=12.0/84.0(100)=14.3%
    • Na=23/84.0(100)=27.4%
    • O=48/84.0(100)=57.1%
    • ______________________
    •                            = 100%

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