Answers To Pg180 12,15,18,20ab,26,28,35,39

12 a. 0.2815M
b. 1.595E-2M
c. 1.614E-2M

15. the 100.0ml of 0.30M AlCl₃

18. 4.00g

20a. 28ml
b. 42ml

26. a. CuS_(s)
b. Ni(OH)_{2 (s)}
c. no reaction
d. Mn(OH)_{2 (s)}

28a. Ag¹⁺ + I^1- --> AgI_(s)
b. Cu²⁺ + S^2- --> CuS_(s)
c. Co²⁺ + 2 OH^1- --> Co(OH)_{2 (s)}
d. no reaction

35. 0.146g NaCl

39. 0.583g Mg(OH)₂
d. no OH left
5.00E-2M Mg²⁺, 0.100M K⁺, 0.200M NO₃^1-