4 c 6 2 July 8, 2019 16 32 64 128 4 c 6 20 C 4 6 3c 2 7 C&nw 4 6 2 A 4 b =- 6 c 2 C 4 h 6 o 2 A 2 b 4 c 6 d 8 C 6 h 4 oh 2 4 1.5 c 6 )- 2c =- 9 B 4 c 6 b 20 degrees C 6 2c 4 B 4 c 6 b 20 C&o 4 6 2 2 7 4 c )= 6 C&ei 4 6 2 C vapor 4 6 2n
