46.7
H02-H4-H5
P260-P26-P264-P270-P27-P20-P0+P0+P-P0+P6+P5-P04+P40-P05+P5+P-P0-P6-P40+P2-P405-P50
759
质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)