please answer both!

Zn(OH)2sZn2+(aqq)+20Hksp=7.71017 Determine the concentration of the zincand hydroxide ions respectively. a) 1.2105,2.4105 b) 0.0056,0.00012 c) 0.00076,0.00152 d) 2.7106,5.4106 2H2S>2H2+S2K=1106 If initial the H2S concentration is 0.5mol/L, using the above information calculate the concentration of hydrogen and sulfur respectively. 0.1,0.050.2,0.10.004,0.0020.008,0.004