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16 Nov 2019
i, Determine the pH of a solution prepared by dissolving o 5 mol of NHs and o.25 mol of a) 4.27 n a liter of solution KM 1.8x104 b) 878 c) 5.22 5.4x10 0.25 OH d) 9.78 log D5.4 xto leg DOH-1 3.27 2. what is H POH PH a la 3.27 0,73 the maximum concentration (in M) of chloride ions in a solution that contains a) 0.100M for lead (ll) chloride (Pbcla) is 1.0x10 0.058 Pbc Pb b) 0.029 c) 0.0.0010 P 0.031623 M e) 1.0 x 104 x to o, ool M CIT 3. The formal charge on carbon in the molecule below is bonding e Formal charge of c Valence e Nonbonding e b) +1 c) +2 d) +3 /4. The molar solubility of Pblz is 1.5 x 10 "M. Calculate the value of K. for Pbl2 PbI. Pb 21 b) 1.5 x 103 T 1 2 x (1.5 x IO s 3.0 x lo c) 2.3 x 10 d) 3.4 x 109 e) None of these 5 x (3.0 x 10-3) 4 x IO
i, Determine the pH of a solution prepared by dissolving o 5 mol of NHs and o.25 mol of a) 4.27 n a liter of solution KM 1.8x104 b) 878 c) 5.22 5.4x10 0.25 OH d) 9.78 log D5.4 xto leg DOH-1 3.27 2. what is H POH PH a la 3.27 0,73 the maximum concentration (in M) of chloride ions in a solution that contains a) 0.100M for lead (ll) chloride (Pbcla) is 1.0x10 0.058 Pbc Pb b) 0.029 c) 0.0.0010 P 0.031623 M e) 1.0 x 104 x to o, ool M CIT 3. The formal charge on carbon in the molecule below is bonding e Formal charge of c Valence e Nonbonding e b) +1 c) +2 d) +3 /4. The molar solubility of Pblz is 1.5 x 10 "M. Calculate the value of K. for Pbl2 PbI. Pb 21 b) 1.5 x 103 T 1 2 x (1.5 x IO s 3.0 x lo c) 2.3 x 10 d) 3.4 x 109 e) None of these 5 x (3.0 x 10-3) 4 x IO