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Which of the following statements concerning solubility is/are CORRECT?
1) Ionic compounds composed of Group 1A metal ions and halide ions,such as NaCl,are insoluble in nonpolar solvents.
2) The solubility of the halogens (Cl2,Br2,and I2) in polar solvents is greater than their solubility in nonpolar solvents.
3) The solubility of polar molecules,such as sugar,in polar solvents is generally greater than their solubility in nonpolar solvents.
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