7.7
P2-P2-P24-P24-P242-P24-P26-P27-P28-P+P6+P5-P4+P4-P7+P78-P4+P25-P5
GHS2,GHS7
95
质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)