.24
H225-H2-H4
P2-P2-P24-P24-P242-P24-P26-P264-P27-P28-P+P+P-P+P6+P5-P4+P4-P5+P5+P8-P-P6-P7+P78-P4+P25-P45-P5
GHS2,GHS5,GHS7
质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)