V. Data PengamatanBahanMassa Cawan (g)Massa awal Bahan (g)Massa Cawan + Bahan (Sebelum Pembakaran) (g)Massa Cawan + Bahan (Setelah Pembakaran) (g)Massa Abu (g)

Tepung27,11312,00029,113127,53660,4235

Biskuit Gandum20,79812,00022,798121,00750,2094

Roti Cokelat35,46992,00037,469935,71200,2421

Biskuit Susu23,91632,00025,916324,13500,2187

VI. PerhitunganKadar Abu =1. Tepung Kadar abu = = 21,175 %

2. Biskuit Marie 1Kadar abu = = 10,47 %

3. Roti CokelatKadar abu = = 12,105 %

4. Biskuit Marie 2Kadar abu = = 10,935 %