The number of molecules in 22.4 cm3of ozone gas at STP is ……………….
A. 6.022 × 1020
B. 6.022 × 1023
C. 22.4 × 1020
D. 22.4 × 1023
Answer:A
The number of molecules in 22.4 cm3of ozone gas at STP is ……………….
A. 6.022 × 1020 B. 6.022 × 1023 C. 22.4 × 1020 D. 22.4 × 1023