Jawabanmu

2014-09-08T09:07:10+07:00
1. 200 gram / Mr. H2S = mol H2S x 22,4 L = ..... Liter
2. 50 gram / Mr H2SO4 = mol H2SO4 / 1,5 L = ..... Molar (H2SO4)
3.gram = mol H3PO4 x MR H3PO4
mol = volume x MOlar
     = 3 x 0,5=1,5 mol
gram H3PO4 = mol x Mr. H3PO4
 sorry MRnya cari sendiri ya (aku nggak hapal Ar nya S dan P)