106年 - 106 國立嘉義大學_碩士班(甲組)招生考試試題_應用化學系：分析化學#146897

1. How many milliliters of 0.500 M NaOH should be added to a flask that containing 10.0g of tris hydrochloride(157.60 g/mol)to give a buffer of pH 7.60 in a final volume of 250 mL？(10分)

2. Please use charge balance and mass balance to prove the [H₃O⁺] of Na₂HPO₃ (with a formal concentration of F)in solution is equal to . (10分)
[H₃O⁺] =
(K₂ and K₃ are the dissociation constant of NaH₂PO₃ and Na₂HPO₃)

(A)12.00 mL

(B)equivalent (V_e)

(C)14.00 mL.

(A)FID

(B)gradient elution, isocratic elution

(C)electrospray ionization

(D)CV