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200mLN2和CH4的混合气与400mLO2点燃起反应后,用干燥剂除去水分,干气的体积变为500mL。求原来混合气中N2和CH4的比例是()(各气体体积都是在相同的温度和压力下测得的)。
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更多 “200mLN2和CH4的混合气与400mLO2点燃起反应后,用干燥剂除去水分,干气的体积变为500mL。求原来混合气中N2和CH4的比例是()(各气体体积都是在相同的温度和压力下测得的)。” 相关考题
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