bantu soal kimia yaaa

4a. Kalor pembakaran = 57.2 / 2 = 28.6 kkal/mol

b. Kalor reaksi: 232/58 × 28.6 kkal

c. Kalor reaksi: 4.48/22.4 × 28.6 kkal


5. (1574/393.5) mol × 12 gram/mol = 48 gram