In the reaction, 2A(g) → B(g), the initial pressure of A is 2.5 atm. After 10 minutes the pressure becomes 2.2 atm. Hence the pressure of A is
A. 1.2 atm
B. 1.9 atm
C. 2.3 atm
D. 0.3 atm
Answer:B
In the reaction, 2A(g) → B(g), the initial pressure of A is 2.5 atm. After 10 minutes the pressure becomes 2.2 atm. Hence the pressure of A is
A. 1.2 atm B. 1.9 atm C. 2.3 atm D. 0.3 atm