7.99
H30-H3-H39-H33
P6-P64-P70-P7-P80-P30+P3-P304+P340-P30+P3+P338-P330-P36+P364-P403+P33-P40-P0
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质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)