Chemistry
Senior High
想問這題，答案是7.3×10^-4
15
3.115x10"
60 已知現今二氧化碳的濃度大約400ppm(即1百萬個空氣分子中約有400個二氧化碳分
且空氣的平均分子量為28.8,室溫下地表空氣的密度約為1.2千克/公尺,則室溫
下地表二氧化碳的密度約為若干?(需列出計算式,否則不計分)(2分)
1,3×10° x 2,2+15x10 x 1.7
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