Na2CO3(aq)
Na2O(aq) + CO2(g)
Is this right? If it is then the mole to mole ratio is 1:1.
I can get the value of Na2O by comparing the moles of Na2CO3 and Na2O.
so,
moles of 0.00040224 Na2CO3 (calculated earlier)
0.00040224 mol Na2CO3*(1mol Na2O/1mol Na2CO3) = 0.00040224 mol Na2O
Can I use this value to calculate the Na2O percent from my unknown sample?
0.00040224 mol Na2O*(61.98g Na2O/1mol Na2O) = 0.024931g Na2O
(0.024931g Na2O/0.2015g sample)*(100%) = 12.37%
Does this look right?