Question

1立方米空气,氢气,CO,氧气,H2S各有多重

Answer 1

质量 = 体积×密度,密度 = 摩尔质量÷气体摩尔体积

0℃、1 atm下,

空气质量 = 1000 L × 29/22.4 g/L = 1294.6 g

氢气 = 1000 L × 2/22.4 g/L = 89.3 g

CO = 1000 L × 28/22.4 g/L = 1250 g

氧气 = 1000 L × 32/22.4 g/L = 1428.5 g

H2S = 1000 L × 34/22.4 g/L = 1517.8 g