For the reaction at 495 K, . If we start the reaction in a closed container at 495 K with 22 millimoles of A, the amount of B in the equilibrium mixture is millimoles. (Round off to Nearest Integer)

Question

For the reaction  at 495 K, . If we start the reaction in a closed container at 495 K with 22 millimoles of A, the amount of B in the equilibrium mixture is  millimoles. (Round off to Nearest Integer)

Canvas Classes · Accepted Answer

Step 1 — Calculate :

Step 2 — ICE table (initial moles of A = 22 mmol):

| | A | B |
|--|--|--|
| Initial | 22 | 0 |
| Change | −x | +x |
| Equil. |  |  |

Step 3 — Solve (, so ):

Answer: 20 millimoles

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