4. Identify the acid, base, conjugate acid and conjugate base for each of the following. ( 3pts each)
a. HClO4(aq) + H2O(1) H3O*(aq) + ClO4 (aq)
b. H2SO3(aq) + H2O(1) H3O+(aq) + HSO3(aq)
C. HC2H2O2(aq) + H2O(1) = H3O+(aq) + C2H302 (aq)
d. H S(g) + H2O(l) = H3O+ (aq) + HS-(aq)

1. for the first question, we must find the mass of the anhydrous salt, mgso₄. the molar mass for mgso₄·7h₂o is 246.47 g/mol, while that of mgso₄ is 120.37 g/mol.7.834 g mgso₄·7h₂o * 1 mol mgso₄·7h₂o/246.47 g * 1 mol mgso₄/1 mol mgso₄·7h₂o * 20.37 g mgso₄/mol = 0.647 g mgso₄

2. mass of water = mass of sample - mass of anhydrous salemass of water = 7.834 - 0.647 = 7.19 gpercent water in hydrate = 7.19/7.834 * 100 = 91.74%

so what is the problem with your lab report and whats the subject of the lab report? i will you