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Consider the following substances: HCl(g) F2(g) HCl(aq) Na(s) Which response includes AL of the substances listed that have ΔHf° = 0? 1. HCl(g), Na(s) and F2(g) 2. HCl(g) and Na(s) 3. HCl(g), Na(s), HCl(aq) and F29g) 4. na(s) and F2(g) 5. Na(s)