4.7
H-H-H4-H
P26-P26-P264-P27-P27-P28-P+P+P-P2+P52-P+P6+P5-P4+P4-P5+P5+P8-P-P6+P64-P6-P4+P2-P45-P5
GHS5,GHS6
8 (6.)
292
质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)