The answer that has the lowest oxygen content at the specified temperature, BeBr2, is option b, making it the correct choice.
The balance pressure of a vapor beyond its liquid (or solid), or the pressure of vapor produced by the evaporate of a liquid (or solid) over a specimen of the liquid (or sturdy) in a closed container, is the evaporation of a liquid.
Depending on the merits of its intermolecular forces, a liquid's vapor pressure is one of its characteristics. Weak molecules make liquids more easily vaporize and have higher vapor pressure. A liquid with higher intermolecular interactions has a lower evaporation rate since it takes longer for it to evaporate.
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