224mL某气体在标准状况下的质量为0.32g，该气体的摩尔质量约为? A．32g

224ML\u67d0\u6c14\u4f53\u5728\u6807\u51c6\u72b6\u51b5\u4e0b\u7684\u8d28\u91cf\u4e3a0.32g\uff0c\u6c14\u4f53\u7684\u6469\u5c14\u8d28\u91cf\u662f\u591a\u5c11\uff1f

\u9996\u5148,\u5728\u6807\u51b5\u4e0b,1\u6469\u5c14\u6c14\u4f53\u7684\u4f53\u79ef\u5e94\u8be5\u662f22.4L.
\u6b64\u65f6\u8be5\u6c14\u4f53\u4e3a224ml,\u5219\u5176\u7269\u8d28\u7684\u91cf\u4e3a0.224/22.4=0.01\u6469\u5c14.
\u56e0\u4e3a0.01\u6469\u5c14\u8be5\u6c14\u4f53\u7684\u8d28\u91cf\u4e3a0.32\u514b.
\u5219\u8be5\u6c14\u4f53\u6469\u5c14\u8d28\u91cf\u4e3a:
0.32/0.01=32g/mol.

\u6807\u51b5\u4e0b\uff0c224ml\u6c14\u4f53\uff08\u65e20.224L\uff09\u7684\u7269\u8d28\u7684\u91cfn=0.224/22.4=0.01mol
\u6839\u636en=m/M
\u5f97M=m/n=0.32g/0.01mol=32g/mol
\u7531\u6b64\u77e5\u8be5\u6c14\u4f53\u662f\u6c27\u6c14O2

A 224ML鏌愭皵浣撳湪鏍囧噯鐘跺喌涓嬬殑璐ㄩ噺涓0.32g,姘斾綋鐨勬懇灏旇川閲忔槸澶氬皯_鐧惧害鐭 ... 绛旓細鏍囧喌涓锛224ml姘斾綋锛堟棦0.224l锛夌殑鐗╄川鐨勯噺n=0.224/22.4=0.01mol 鏍规嵁n=m/m 寰梞=m/n=0.32g/0.01mol=32g/mol 鐢辨鐭ヨ姘斾綋鏄哀姘攐2 224mL鏌愭皵浣撳湪鏍囧噯鐘跺喌涓嬬殑璐ㄩ噺涓0.32g,璇ユ皵浣撶殑鎽╁皵璐ㄩ噺绾︿负( )A.32... 绛旓細鏍规嵁璐ㄩ噺鍜屼綋绉箣闂寸殑鍏崇郴鍏紡m=nM=VVm脳M鍙緱鍑猴紝M=mVmV=0.32g脳22.4L/mol0.224L=32g/mol锛庢晠閫堿锛 鍦ㄦ爣鍑嗙姸鍐典笅,224mL鏌愭皵浣撶殑璐ㄩ噺涓0.64g,姹傝姘斾綋鐨勭浉瀵瑰垎瀛愯川閲 绛旓細鍦ㄦ爣鍑嗙姸鍐典笅224mL鏌愭皵浣鐨勭墿璐ㄧ殑閲忎负0.01mol 璇ユ皵浣撶殑鎽╁皵璐ㄩ噺M=0.64/0.01=64g/mol 璇ユ皵浣撶殑鐩稿鍒嗗瓙璐ㄩ噺涓64 ...鍐欏嚭璁＄畻杩囩▼)(1)鍦ㄦ爣鍑嗙姸鍐典笅,224mL鏌愭皵浣撶殑璐ㄩ噺涓0.40g.璇曡绠楄繖 ... 绛旓細锛1锛塶=VVm=0.224L/22.4L?mol-1=0.01 mol锛孧=mn=0.40g/0.01mol=40 g/mol锛岀瓟锛氭懇灏旇川閲忎负40 g/mol锛涳紙2锛夎闇VL鐨0.5mol/L AlCl3鏍规嵁 n=C脳V锛宯锛圕l-锛=1 mol/L脳2脳0.5L=0.5mol/L脳3脳VV=23L锛屾晠绛旀涓猴細23锛涳紙3锛塶锛圕uSO4锛=CVn锛圕uSO4锛=2.0mol/L脳0.1L=0... 鍦ㄦ爣鍑嗙姸鍐典笅,224mL鏌愭皵浣撶殑璐ㄩ噺涓0.64g,姹傝姘斾綋鐨勭浉瀵瑰垎瀛愯川閲 绛旓細鐩稿鍒嗗瓙璐ㄩ噺鏄函鏁板瓧锛堟病鏈夊崟浣嶏級锛屽畠鐨勫肩瓑浜庢懇灏旇川閲忥紝鎽╁皵璐ㄩ噺=璐ㄩ噺/鎽╁皵鏁帮紝棰樹腑鐩存帴缁欎簡璐ㄩ噺锛屾墍浠ヨ姹傚嚭鎽╁皵鏁板氨鍙互浜嗐鏍囧噯鐘舵佷笅涓鎽╁皵浠讳綍姘斾綋鐨勪綋绉兘鏄22.4L 锛屾墍浠224mL姘斾綋鐨鎽╁皵鏁颁负 0.224/22.4=0.01mol 銆傚姝ゅ彲浠ユ眰鍑烘懇灏旇川閲=0.64/0.01=64锛屾墍浠ヨ姘斾綋鐩稿鍒嗗瓙璐ㄩ噺涓64 ... 楂樹竴鍖栧棰 1.鍦ㄦ爣鍑嗙姸鍐典笅,224ml鏌愭皵浣撶殑璐ㄩ噺涓0.64g,鍒欒姘斾綋鐨勬懇灏... 绛旓細鏍囧喌涓嬩綋绉224ml鍗0.224L鍗0.01mol,0.64g/0.01mol,鎵浠ユ爣鍐典笅姝姘斾綋鎽╁皵閲忎负64g/mol, 鍖栧棰樺皢鏍囧噯鐘跺喌涓嬬殑鐢茬兎鍜屾哀姘旂殑娣峰悎姘斾綋224mL,鐐圭噧鍚庡畬鍏ㄧ噧鐑,灏... 绛旓細0.1g鐨勭櫧鑹叉矇娣,涓虹⒊閰搁挋杩欐槸鍙互鑲畾鐨勫叾鍚噺涓0.1g闄や簬100g/mol鍗0.001mol.鐢变簬姘㈡哀鍖栭挋鏄0.1L*0.02mol/L=0.002mol 鎵浠ユ湁涓ょ鎯呭喌 1.姘㈡哀鍖栭挋杩囬噺锛0.001mol纰抽吀閽欏嵆涓轰簩姘у寲纰崇殑閲忥紝涔熷氨鏄敳鐑风殑閲忎负0.001mol.鎵浠ョ敳鐑风殑浣撶Н涓22.4ml,鍗犳讳綋绉殑1/10,鎵浠ョ敳鐑峰拰姘ф皵鐨勪綋绉瘮涓1/... 閭ｅ埌棰樼洰鎬庝箞鍋氬晩? 绛旓細鏍囧噯鐘跺喌涓1mol姘斾綋鐨浣撶Н涓22.4L 鎵浠224ml鐨勬皵浣鏄0.01mol 鎽╁皵璐ㄩ噺=璐ㄩ噺/鐗╄川鐨勯噺=0.32g/0.01mol=32g/mol 鍦ㄤ竴瀹氭潯浠朵笅,灏鏍囧噯鐘跺喌涓224ml姘旀鐑傾鍦ㄨ繃閲忔哀姘斾腑鍏呭垎鐕冪儳,鍐嶅皢鐢熸垚... 绛旓細姣斾笂鎽╁皵璐ㄩ噺 寰 浜屾哀鍖栫⒊鏈0.03mol 閭ｄ箞姘旀鐑冧腑鍚湁0.03mol鐨凜鍘熷瓙 鏍囧喌涓224ml 閭ｄ箞姘斾綋鐗╄川鐨勯噺涓0.01mol 寰 鍖栧寮忎负 C3H6Ox 锛圤x鏄洜涓哄師棰樻病鏈夌О閲忕洿鎺ュ湪姘ф皵涓噧鐑э紝鏃犳硶纭畾姘翠腑鐨勬哀鍜屼簩姘у寲纰充腑鐨勬哀鍒板簳婧愯嚜浣曞锛夊彲鑳芥槸涓欑儻 涓欓啗 涓欓吀 涓欓叜 ... 瀹為獙瀹よ鍒跺彇鏍囧噯鐘跺喌涓224mlco2姘斾綋闇瑕乧aco390%鐨勫ぇ鐞嗙煶澶氬皯鍏媉鐧惧害... 绛旓細瑙ｏ細璁鹃渶瑕佸惈纰抽吀閽90%鐨勫ぇ鐞嗙煶鐨勮川閲忎负x CaCO3+2HCl==CaCl2+H2O+CO2 100 44 x*90% 0.224L*1.98g/L 100/44=x*90%/0.224L*1.98g/L x=1.12g 鎵浠ラ渶瑕90%CaCO3鐨勫ぇ鐞嗙煶1.12鍏嬨 扩展阅读：可燃气体多少为安全值 ... 四合一气体检测仪lel ... 可燃气体检测仪ppm含义 ... 气体检测标准值是多少 ... 可燃气体报警器新国标 ... 可燃气体浓度大于4% ... 可燃气体浓度检测标准 ... 高中标况下不是气态的 ... gb15322-2019可燃气体探测器 ... 本站交流只代表网友个人观点，与本站立场无关 欢迎反馈与建议，请联系电邮 2024© 车视网