求混合气体的平均摩尔质量，还要用十字交叉法验证，希望大家能帮我解决一下，谢谢
\u6709\u5173\u6df7\u5408\u6c14\u4f53\u7684\u5e73\u5747\u6469\u5c14\u8d28\u91cf\u89e3\u6790:\u5047\u8bbe\u67d0\u6df7\u5408\u7269\u7531i\u79cd\u7eaf\u51c0\u7269\u7ec4\u6210,\u5176\u4e2d\uff0c\u7b2c\u4e00\u79cd\u7eaf\u51c0\u7269\u7684\u6469\u5c14\u8d28\u91cf\u4e3aM1\u3001\u7269\u8d28\u7684\u91cf\u4e3an1\uff0c\u7b2c\u4e8c\u79cd\u7eaf\u51c0\u7269\u7684\u6469\u5c14\u8d28\u91cf\u4e3aM2\u3001\u7269\u8d28\u7684\u91cf\u4e3an2\uff0c\u7b2c\u4e09\u79cd\u7eaf\u51c0\u7269\u7684\u6469\u5c14\u8d28\u91cf\u4e3aM3\u3001\u7269\u8d28\u7684\u91cf\u4e3an3\uff0c\u2026\u2026\uff0c\u7b2ci\u79cd\u7eaf\u51c0\u7269\u7684\u6469\u5c14\u8d28\u91cf\u4e3aMi\u3001\u7269\u8d28\u7684\u91cf\u4e3ani\u3002
\u90a3\u4e48,\u7b2c\u4e00\u79cd\u7eaf\u51c0\u7269\u7684\u7269\u8d28\u7684\u91cf\u5206\u6570\u4e3a:[n1/(n1+n2+n3+\u2026\u2026+ni)]*100%=N1%,
\u7b2c\u4e8c\u79cd\u7eaf\u51c0\u7269\u7684\u7269\u8d28\u7684\u91cf\u5206\u6570\u4e3a:[n2/(n1+n2+n3+\u2026\u2026+ni)]*100%=N2%,
\u7b2c\u4e09\u79cd\u7eaf\u51c0\u7269\u7684\u7269\u8d28\u7684\u91cf\u5206\u6570\u4e3a:[n3/(n1+n2+n3+\u2026\u2026+ni)]*100%=N3%,
\u2026\u2026
\u7b2ci\u79cd\u7eaf\u51c0\u7269\u7684\u7269\u8d28\u7684\u91cf\u5206\u6570\u4e3a:[ni/(n1+n2+n3+\u2026\u2026+ni)]*100%=Ni%,
\u5219\u5728\u6df7\u5408\u7269\u4e2d\uff0c\u603b\u8d28\u91cf\u548c\u603b\u7269\u8d28\u7684\u91cf\u5206\u522b\u4e3a\uff1a
m\u603b=M1*n1+M2*n2+M3*n3+\u2026\u2026+Mi*ni\uff0c
n\u603b=n1+n2+n3+\u2026\u2026+ni\uff0c
\u6240\u4ee5\uff0c\u5e73\u5747\u6469\u5c14\u8d28\u91cfM=m\u603b/n\u603b
=(M1*n1+M2*n2+M3*n3+\u2026\u2026+Mi*ni)/(n1+n2+n3+\u2026\u2026+ni)
=M1*N1%+M2*N2%+M3*N3%+\u2026\u2026+Mi*Ni%
\u8bf4\u660e:\u82e5\u6df7\u5408\u7269\u662f\u7531i\u79cd\u6c14\u4f53\u7ec4\u6210\u7684\u6df7\u5408\u6c14\u4f53,\u7531\u4e8e\u5728\u540c\u6e29\u540c\u538b\u4e0b,n1:n2=V1:V2,\u5219\u6c14\u4f53\u7684\u4f53\u79ef\u5206\u6570\u7b49\u4e8e\u5176\u7269\u8d28\u7684\u91cf\u5206\u6570,\u56e0\u6b64,\u5bf9\u4e8e\u6c14\u4f53\u800c\u8a00,\u4e0a\u8ff0\u516c\u5f0f\u4e2d\u7684\u7269\u8d28\u7684\u91cf\u5206\u6570\u7528\u6c14\u4f53\u7684\u4f53\u79ef\u5206\u6570\u66ff\u4ee3\u540e\u4e5f\u6210\u7acb\u3002
\u9700\u8981\u77e5\u9053\u4e24\u65b9\u9762\u7684\u4fe1\u606f \u4e00,\u5404\u6df7\u5408\u6c14\u4f53\u7684\u6469\u5c14\u8d28\u91cf\u4e8c,\u5404\u6df7\u5408\u6c14\u4f53\u6240\u5360\u7684\u4f53\u79ef\u5206\u6570 ,\u6c27\u6c14\u7684\u6469\u5c14\u8d28\u91cf\u662f32,\u5176\u6240\u5360\u7684\u4f53\u79ef\u5206\u6570\u5927\u6982\u662f20%,\u6c2e\u6c14\u7684\u6469\u5c14\u8d28\u91cf\u662f28,\u4f53\u79ef\u5206\u6570\u5927\u6982\u662f80%,\u6240\u4ee5\u7a7a\u6c14\u7684\u6469\u5c14\u8d28\u91cf\u5c31\u662f32*20%+28*80%=29.5
绛旓細姹傛贩鍚堟皵浣撶殑骞冲潎鎽╁皵璐ㄩ噺,杩樿鐢ㄥ崄瀛椾氦鍙夋硶楠岃瘉,甯屾湜澶у鑳藉府鎴戣В鍐充竴涓,璋㈣阿 鎴戞潵绛 1涓洖绛 #鐑# 寮犳姊呭府鍔╃殑鍙湁濂崇敓鍚? 鍖垮悕鐢ㄦ埛 2014-10-05 灞曞紑鍏ㄩ儴 宸茶禐杩 宸茶俯杩< 浣犲杩欎釜鍥炵瓟鐨勮瘎浠锋槸? 璇勮 鏀惰捣 涓轰綘鎺ㄨ崘: 鐗瑰埆鎺ㄨ崘 绁炶垷13鍙峰畤鑸憳鍒颁簡!绁炶垷鍗佸洓鍙峰彂灏勫緟鍛,鍥介檯绌洪棿绔欒鎶ュ簾?
绛旓細娣峰悎姘斾綋鐨勫钩鍧囨懇灏旇川閲忕瓑浜庢贩鍚堟皵浣撴昏川閲忛櫎浠ユ贩鍚堟皵浣撴荤墿璐ㄧ殑閲徯锛堝钩鍧囨懇灏旇川閲忥級=m鎬/n鎬伙紙鍧囦负姘斾綋锛夈傛贩鍚堟皵浣撶殑骞冲潎鐩稿鍒嗗瓙璐ㄩ噺鏁板间笂绛変簬娣峰悎姘斾綋鐨勫钩鍧囨懇灏旇川閲忋傚凡鐭ュ瘑搴﹀拰鏉′欢涓烘爣鍑嗙姸鍐礛=蟻Vm锛埾佷唬琛ㄦ贩鍚堟皵浣撳瘑搴︼級Vm=22.4L/mol銆傚凡鐭ワ細娣峰悎姘斾綋涓袱绉嶆皵浣撶殑鎽╁皵璐ㄩ噺鍒嗗埆涓篗1鍜孧2锛屼綋绉垎...
绛旓細娣峰悎姘斾綋鐨勫钩鍧囨懇灏旇川閲=M1*X%+M2*(1-X%)銆備竴銆佺畝杩 1銆佹贩鍚堟皵浣撶殑骞冲潎鎽╁皵璐ㄩ噺绛変簬娣峰悎姘斾綋鎬昏川閲忛櫎浠ユ贩鍚堟皵浣撴荤墿璐ㄧ殑閲锛浶(骞冲潎鎽╁皵璐ㄩ噺)=m鎬/n鎬伙紙鍧囦负姘斾綋锛夛紱娣峰悎姘斾綋鐨勫钩鍧囩浉瀵瑰垎瀛愯川閲忔暟鍊间笂绛変簬娣峰悎姘斾綋鐨勫钩鍧囨懇灏旇川閲忋2銆佸凡鐭ワ細娣峰悎姘斾綋涓袱绉嶆皵浣撶殑鎽╁皵璐ㄩ噺鍒嗗埆涓篗1鍜孧2,浣撶Н鍒嗘暟鍒嗗埆涓...
绛旓細涓や釜鍦版柟闇瑕佸紕鏄庣櫧锛1銆佹贩鍚堟皵浣撶殑骞冲潎鎽╁皵璐ㄩ噺瀹為檯涓婃槸锛屾荤殑璐ㄩ噺姣斾笂鎬荤殑鐗╄川鐨勯噺銆2銆佷綋绉垎鏁板氨鏄墿璐ㄧ殑閲忓垎鏁般備妇涓緥瀛愶細娣峰悎姘斾綋涓紝A鍗燼%锛孊鍗燽%锛孋鍗燾 鎵浠ュ钩鍧囨懇灏旇川閲=m(鎬)/n(鎬)=[m锛圓锛+m(B)+m(C)]/[n(A)+n(B)+n(C)]m(A)=M(A)脳n锛圓锛=M(A)脳a%脳n(...
绛旓細绛変环浜庤姘皵鏈塜mol锛閭ｄ箞姘ф皵鏈2Xmol銆佷簩姘у寲纰虫湁3Xmol锛堝洜涓轰綋绉笌mol鏄垚姝ｆ瘮鐨勶級鍥犱负鎬璐ㄩ噺涓100g锛岄偅涔堝氨鏄悇缁勫垎璐ㄩ噺鐨勫拰100g=28X+32脳2X+44脳3X=28X+64X+132X=224X 瑙ｅ緱X=锛100梅224锛塵ol锛屽悇缁勫垎鎬籱ol涓6Xmol锛屾墍浠ユ讳綋绉负22.4L姣弇ol鍘讳箻浠6X=22.4脳6脳锛100梅224锛=60L ...
绛旓細袦(骞冲潎鎽╁皳璐ㄩ噺)=m鎬/n鎬籑=蟻Vm(蟻浠ｈ〃姘斾綋骞冲潎瀵嗗害)鎴栬娣峰悎鐗╀腑鍚勭绾噣鐗╃殑鐗╄川鐨勯噺鍒嗗埆涓簄1,n2,...,nkmol锛岃屽畠浠殑鎽╁皵璐ㄩ噺鍒嗗埆涓篗1,M2,...,Mkg/mol锛屽垯鍏骞冲潎鎽╁皵璐ㄩ噺涓篗=锛坣1*M1+n2*M2+...+nk*Mk锛/锛坣1+n2+...nk锛夛紙g/mol锛夈備緥濡:CO2H2CO鐨娣峰悎姘斾綋,鍚屾俯鍚屽帇涓嬫眰...
绛旓細骞冲潎鎽╁皵璐ㄩ噺涓篗 =锛 n1*M1 + n2*M2 + ... + nk* Mk锛/锛坣1 + n2 + ... + nk锛夛紙g/mol锛壭(骞冲潎鎽╁皳璐ㄩ噺)=m鎬/n鎬 M=蟻Vm (蟻浠ｈ〃姘斾綋骞冲潎瀵嗗害) 鎴栬娣峰悎鐗╀腑鍚勭绾噣鐗╃殑鐗╄川鐨勯噺鍒嗗埆涓簄1, n2, ..., nk mol锛岃屽畠浠殑鎽╁皵璐ㄩ噺鍒嗗埆涓篗1, M2, ..., Mk g/mol銆備緥濡:...
绛旓細鎬璐ㄩ噺闄や互鎬荤墿璐ㄧ殑閲 袦(骞硚閲)=m鎬/n鎬 M=蟻Vm (蟻浠ｈ〃姘斾綋瀵嗗害)
绛旓細闇瑕佺煡閬撲袱鏂归潰鐨勪俊鎭 涓,鍚娣峰悎姘斾綋鐨勬懇灏旇川閲浜,鍚勬贩鍚堟皵浣撴墍鍗犵殑浣撶Н鍒嗘暟 ,姘ф皵鐨勬懇灏旇川閲忔槸32,鍏舵墍鍗犵殑浣撶Н鍒嗘暟澶ф鏄20%,姘皵鐨勬懇灏旇川閲忔槸28,浣撶Н鍒嗘暟澶ф鏄80%,鎵浠ョ┖姘旂殑鎽╁皵璐ㄩ噺灏辨槸32*20%+28*80%=29.5
绛旓細闇瑕佺煡閬撲袱鏂归潰鐨勪俊鎭 涓,鍚娣峰悎姘斾綋鐨勬懇灏旇川閲浜,鍚勬贩鍚堟皵浣撴墍鍗犵殑浣撶Н鍒嗘暟 ,姘ф皵鐨勬懇灏旇川閲忔槸32,鍏舵墍鍗犵殑浣撶Н鍒嗘暟澶ф鏄20%,姘皵鐨勬懇灏旇川閲忔槸28,浣撶Н鍒嗘暟澶ф鏄80%,鎵浠ョ┖姘旂殑鎽╁皵璐ㄩ噺灏辨槸32*20%+28*80%=29.5
