ions: (a) HNO2(aq) + OH (aq) = NO, (aq) + H2O(!) (b) FeBr3(s) + Br (aq) = FeBr4 (aq) (c) Zn(aq) + 4 NH3(aq) = Zn(NH3)4"(aq) (d) SO2(8) + H2O(1) = H2SO3(aq) 2+ 2+ 16.97 Predict which member of each pair produces the more 3+ acidic aqueous solution: (a) K† or Cu²+, (b) Fe²+ or Fe, (c) Al3+ or Ga3+. 16.98 Which member of each pair produces the more acidic aque- ous solution: (a) ZnBr, or CdCl,, (b) CuCl or Cu(NO3)2, (c) Ca(NO3)2 or NiBr2? (d) K* ion is acidic in water because it causes hydrating wa- ter molecules to become more acidic. (e) The percent ionization of a weak acid in water increases as the concentration of acid decreases. 16.100 A solution is made by adding 0.300 g Ca(OH)2(s), 50.0 mL of 1.40 M HNO3, and enough water to make a final volume

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16.98

ions:
(a) HNO2(aq) + OH (aq)
= NO, (aq) + H2O(!)
(b) FeBr3(s) + Br (aq) = FeBr4 (aq)
(c) Zn(aq) + 4 NH3(aq) = Zn(NH3)4"(aq)
(d) SO2(8) + H2O(1) = H2SO3(aq)
2+
2+
16.97 Predict which member of each pair produces the more
3+
acidic aqueous solution: (a) K† or Cu²+, (b) Fe²+ or Fe,
(c) Al3+ or Ga3+.
16.98 Which member of each pair produces the more acidic aque-
ous solution: (a) ZnBr, or CdCl,, (b) CuCl or Cu(NO3)2,
(c) Ca(NO3)2 or NiBr2?
(d) K* ion is acidic in water because it causes hydrating wa-
ter molecules to become more acidic.
(e) The percent ionization of a weak acid in water increases
as the concentration of acid decreases.
16.100 A solution is made by adding 0.300 g Ca(OH)2(s), 50.0 mL
of 1.40 M HNO3, and enough water to make a final volume
Transcribed Image Text:ions: (a) HNO2(aq) + OH (aq) = NO, (aq) + H2O(!) (b) FeBr3(s) + Br (aq) = FeBr4 (aq) (c) Zn(aq) + 4 NH3(aq) = Zn(NH3)4"(aq) (d) SO2(8) + H2O(1) = H2SO3(aq) 2+ 2+ 16.97 Predict which member of each pair produces the more 3+ acidic aqueous solution: (a) K† or Cu²+, (b) Fe²+ or Fe, (c) Al3+ or Ga3+. 16.98 Which member of each pair produces the more acidic aque- ous solution: (a) ZnBr, or CdCl,, (b) CuCl or Cu(NO3)2, (c) Ca(NO3)2 or NiBr2? (d) K* ion is acidic in water because it causes hydrating wa- ter molecules to become more acidic. (e) The percent ionization of a weak acid in water increases as the concentration of acid decreases. 16.100 A solution is made by adding 0.300 g Ca(OH)2(s), 50.0 mL of 1.40 M HNO3, and enough water to make a final volume
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