21. The hybridization of the central atom in XeF5+ is:(A) sp (B) sp2 (C) sp3 (D) dsp3 (E) d2sp3

30. How many of the following help determine whether or not a solution forms?I. the polarities of the solute and solventII. the densities of the solute and solventIII. the probability of the mixed state (of the solution)IV.the energies needed for the solution formation to occurV. the state of matter of the solute (solid, liquid, gas)(A) 1 (B) 2 (C) 3 (D) 4 (E) 5