e) What is the strongest acid among the following? A)H2S B) H2O C)H2Se (D) H2Te

ID: 934701 • Letter: E

Question

e) What is the strongest acid among the following? A)H2S B) H2O C)H2Se (D) H2Te f) Sodium hypohlorite, NaOCl is the active Ingredient in household bleach. What is the concentration of hypochorite ion if 20.00 ml of bleach requires 28.30 mL. of 0.500 M HCI to reach the equivalence point? A)0.708 M B) 0.353M C) 0.208 M D) 1.21 M g) What is the molar solubility of CaF2 In 0.10 M NaF solution at 25 degree C? The Ksp for CaF2 is 1.5 x 10^-10 A)1.2 x 10^-5 M B) 1.5 x 10^-8 M C) 3.8.10^-9 M D)3.4 x 10^-4 4M