Tuesday, January 24, 2012

Chemistry-coulter

TEST THURSDAY!!!

REMEMBER $10 Lab Dues
And EXPO markers for extra credit



PG. 233 # 85
a.  Incorrect Na2SO4
b.  Incorrect Al Cl3
c.  Incorrect  Ba(OH)2
d.  Incorrect  The formula is totally wrong Fe2O3

YOU NEED TO KNOW YOUR POLYATOMIC IONS, OXIDATION NUMBERS
 

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