氢气nm3和kg的换算关系 氢气的摩尔质量是1.008g/mol,其密度在常温下为0.0899 g/L。因此,1立方纳米的氢气质量为: 1 nm^3 = 1 x 10^-27 m^3 1 m^3 = 1000 L 1 L = 1000 cm^3 因此,1 nm^3 = 1 x 10^-27 m^3 = 1 x 10^-24 cm^3 氢气密度 = 0.0899 g/L = 0.0899 x 10^-3 g...