Put the weak acids in order from the acid with the weakest conjugate base to the one with the strongest conjugate base. a. HCN(aq) b. H2CO3(aq) c. HNO2(aq) d. H2SO3(aq) Classify the compound given as a strong acid, weak acid, strong ba...
45,46 Notably, the weak peak at 402.2 eV was associated with positively charged amine (C–NH3+) (Figure S2B).46,47 Furthermore, the N content of HPC–NH2 determined by XPS and EA were 2.68% and 0.57%, respectively (Table S2), which clearly indicated the successful grafting of –NH2 ...
When pH > 7.2, the main form of phosphate in the solution was the affinity of adsorption sites are relatively weak and thus the removal efficiency E% and adsorption capacity qe shows a decreasing trend. Additionally, it is also noticed that pH affects the surface charge of the adsorbents...
The weak band at 1507 cm−1 is related to the C=C vibration of the benzene ring. The strong band at 1391 cm−1 is ascribed to the C-O bond of the C-OH group of the carboxylic acid [56]. Next to this peak appears a small peak at 1424 cm−1 related to the C-C of the...