We are going to do the following steps:
Step 1: Calculate vapor pressure of butane gas
Step 2: Calculate moles of butane gas
Step 3: Calculate amount of butane liquid
Butane (C4H10) has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -0.40 oC. A 250 mL sealed flask contains 0.65 g of butane at -22 oC. How much butane is present as a liquid?
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Based on our data, we think this problem is relevant for Professor Hammond's class at Central Carolina Community College.