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0°C 1 atm = stp
Vstp= n. 22,4
0,672=n. 22,4
n= 0,03 mol
Karena perbandingan koef, maka mol CO2 = mol C
Massa= n. Mr
Massa= 0,03 . 12
Massa= 0,36
0,36/1 . 100% = 36%
Kadar karbon dalam cuplikan