the-following-apparatus-shows-three-enclosed-500-l-bulbs-connected-by-stopcocks--1

Question

The following apparatus shows three enclosed 0.500 L bulbs connected by stopcocks. Bulb X at 200°C and has a total pressure of 650 mmHg contains Br₂(g), I₂(g), and Cl₂(g). Bulb Y and Bulb Z are both empty and held at a temperature of 95.0°C and 25.0°C, respectively. Initially, the stopcocks are closed, and assume that the volume of the lines joining the bulbs is negligible.

When the stopcock between X and Y opened and was allowed to reach equilibrium, X and Y has a total pressure of 270 mmHg. Calculate the moles of I₂ present in the system.
Useful information:

Diagram of three bulbs X, Y, Z with temperatures and stopcocks for gas law experiment.

When the stopcock between X and Y opened and was allowed to reach equilibrium, X and Y has a total pressure of 270 mmHg. Calculate the moles of I₂ present in the system.

Useful information:

Table showing boiling and melting points of Cl2, Br2, and I2.

Accepted Answer

5.60×10^–4 mol

Answer

1.20×10^–4 mol

Answer

4.40×10^–4 mol

Answer

3.80×10^–4 mol