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### 17 Cards in this Set

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 Percent Mass (%) Formula (mass solute) * (100) --------------------- (mass sol'n) Mole Fraction (mf) (X) Formula moles solute ------------ moles sol'n Molality (m) Formula moles solute ------------ kg solvent Molarity (M) Formula moles solute ------------ L sol'n Normality (N) Formula equivalants solute ------------------ L sol'n Grams -> Moles Formula (x grams) * (mole) ------------------- (x atomic weight) Equivalants (eq) Formula moles * |charge of x| Titration (sol'n - sol') Formula N(a)V(a) = N(b)V(b) Titration (solid - solid) Formula eq(a) = eq(b) Titration (sol'n - solid) Formula N(a)V(a) = eq(b) Exothermic Reaction releases heat. Is favored. Endothermic Reaction takes in heat from surroundings. Is unfavored Ease of Dissolution Factors 1) Change in energy (temp) 2) change in disorder (entropy change) Heat of Solution (HoS) Dependent on strength of solute + solvent interaction; (HoS) negative value = ? (HoS) ? = release of heat (HoS) _____ values favor DISSOLUTION. (Hos) NEGATIVE values favor ____ . ENDOTHERMIC processes can be outweighed by _____. ____ processes can be outweighed by A HIGH DEGREE OF DISORDER.