For each pair of compounds, select the compound that would be more soluble in water. Explain your answer briefly. You may refer to the following electronegativity values.   F=4.0; I=2.4; N=3.0; 0=3.5; H=2.1; As=2.0; S=2.5   a. C2H5F and C2H5I   b. C3H7OH and C3H7SH   c. NH3 and ASH3

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