In order for a molecule or a fragment to be detected in a mass spectrometer, it must be Charged Neutral O A radical Contain bromine Have an odd value Question 6 Which of the following is true about the molecule whose mass spectrum is depicted below ([M) = 123)? MASS SPECTRLM ee 20 120 It contains nitrogen It contains chlorine It contains bromine It contains fluorine It contains iodine

4. When H;PO, reacts with H30* in an acid/base reaction, H3O* acts as the acid. The conjugate base of H,O* is [H;PO4, H2POA, OH, H;0, H;0?)

NH2 Aeid HkI, HeO -> base Naoll,120 0-14 base » Naoll, 1120 NHCH3 Çil2 -0 CH3 H20 KOH H20 acid

Ph NaOH / H2O Compound C

HOCI HF HCN H₂SO4 HOBr 2.29 x 10-8 O 2.30 K₂= 3.510-8 O 1.17 x 108 O 1.45 x 10-7 K₂ = 7.2 10-4 K₂ = 4.010-10 K₁ = very large K₂ = 1.2 10-2 Ka = 2.5210-⁹ (COOH)2 CH3COOH C6H5NH2 NH3 K₁ = 5.9 x 10-² K₂ = 6.4 x 10-5 K₂ = 1.8 x 10-5 Refer to Equilibrium Constants. What is the [H3O+] of a solution that is 0.0100 M in HOCland 0.0300 M in NaOCI? Kb = 4.2 x 10-10 Kb = 1.8 x 10-5