Suppose 25

question 107

Multiple Choice

Suppose 25.0 g of HI(g) is injected into a 4.00-L reaction vessel that contains 20.0 g of I₂(g) . When the system comes to equilibrium at 400.ºC,what will be the total pressure inside the reaction vessel? (R = 0.08206 L • atm/K • mol)
2HI(g) H₂(g) + I₂(g) ,K_c = 0.0156 at 400.ºC

• A)2.70 atm
• B)13.0 atm
• C)2.43 atm
• D)0.815 atm
• E)3.79 atm

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