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qpalzm0523木蟲 (正式寫手)
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[求助]
催化劑負(fù)載量的計算問題 已有2人參與
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文獻(xiàn)報道如下:5 g γ-Al2O3 (SCRC, 99.0%, 208 m2/g) was impregnated to incipient wetness with 7.5 ml aqueous solutions of Mg(NO3)2 (SCRC, 99.0%) with 8.33×10−4 mol/ml, dried at 110oC for 12 h and calcined at 550oC for 4 h in air to obtain 3 wt.% MgO/γ-Al2O3. 其中3 wt.% MgO/γ-Al2O3.我的理解和計算過程是 8.33×10−4 mol/ml * 7.5 ml*40.3044(MgO分子量)/5g*100=5% 文獻(xiàn)報道為3%?請問我的理解有誤嗎還是我的計算過程有誤? |
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