9) The structure of Vitamin B1, thiaminc, is shown here. Vitamin BI is most soluble in 9) A) water B) air C) fats D) carbon tetrachloride E) octane 10) A solution is formed at room femperature by vigorously dissolving enough of the solid solute so 10) that some solid remains at the bottom of the solution. Which statement below is TRUE? A) The solution is considered saturated. B) The solution is considered unsaturated. C) The solution would be considered unsaturated if it wre cooled a bit to increase the solubility of the solid: D) The solution is considered supersaturated. E. None of the above is true. 11) Choose the situstion below that would result in an exothermic AHsolution- 11) A) When HsoluteAHhydration C) When Hsolute is close to dHhydration. D) When Hsolvent>>aHsolute E) There isn't enough information to determine. 12) If a solute dissolves in an endothermic process 12) A) the entropy of the solution must be greater than that of its pure components. B) the cntropy of the solution is immaterial. C) hydrogen bonds must exist between solvent and solute. D) strong ion-dipole forces must exist in the solution. E) the solute must be a gas