5.1 g NH4SH is introduced in 3.0L evacuated flask at 327°C. 30% of the solid NH4 SH decomposed to NH3 and H2 S as gases. The Kp of the reaction at 327°C is (R = 0.082 atm mol-1 K-1, molar mass of S = 32 g mol-1, molar mass of N = 14 g mol-1)

5.1 g NH4SH is introduced in 3.0L evacuated flask at 327°C. 30%

1.	5.1 g NH4SH is introduced in 3.0L evacuated flask at 327°C. 30% of the solid NH4 SH decomposed to NH3 and H2 S as gases. The Kp of the reaction at 327°C is (R = 0.082 atm mol-1 K-1, molar mass of S = 32 g mol-1, molar mass of N = 14 g mol-1)
A.	0.242 × 10-4) atm2
B.	0.242 atm2
C.	4.9 × 10-3 atm2
D.	1 × 10-4 atm2
Answer» C. 4.9 × 10-3 atm2