Question
Thu April 19, 2012 By:

Calculate the mass percentage of oxygen in Sodium Carbonate along with 10 times water molecules. Also find the mass of oxygen in grams in 1 mole of the compound.

Expert Reply
Thu April 19, 2012
Molecular Mass of Na2CO3 = 106
Mass percentage of oxygen = 48 x100 /106
                                        =45.28%
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