1. The third option is the least soluble in water because it is the chain with the most number of hydrocarbons. Next is the second option while the first one is the most soluble.
2. Statements 1 and 2 are true. The third option is not true all the time because it depends on the structure of the compound.
760.0 mmHg(V)=600.0mmHg(240.0mL)
600(240)/760=189mL
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