36.92
P21-P233-P2-P21-P22-P23-P26-P26-P2-P31+P33+P331-P33+P361+P353-P3+P3-P35+P351+P33-P363-P37+P37-P3+P235-P5-P51
质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)