2.2
H225-H228-H4-H5-H9-H6
P2-P2-P24-P24-P242-P24-P26-P26-P264-P27-P28-P+P+P-P2+P52-P4+P4-P62+P64-P6-P7+P78-P45-P5
GHS2,GHS5,GHS7
274
质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)