配置100ML0.1mol/L的HNO3(硝酸钾) 将0.9mol/L的硝酸钾溶液100mL与0.1m0l/L的...
\u914d\u5236\u7269\u8d28\u7684\u91cf\u6d53\u5ea6\u4e3a3mol/L\u7684\u785d\u9178\u94be\u6eb6\u6db2100ml\uff0c\u9700\u8981\u591a\u5c11\u785d\u9178\u94be\uff0c\u8ba1\u7b97\u8fc7\u7a0b\u662f\u600e\u6837\u7684\u30023mol/L\u7684\u785d\u9178\u94be\u6eb6\u6db2100ml,\u785d\u9178\u94be\u5c31\u662f3*0.1=0.3mol\u3002
\u785d\u9178\u94be\u76f8\u5bf9\u539f\u5b50\u91cf39+14+16*3=101.
0.3*101=30.3g\u3002
\u8ba1\u7b97\uff1a\uff080.09+0.03\uff09/0.4 = 0.12/0.4 = 0.3 \uff08mol/L\uff09
取10.1 g (0.1mol) KNO3粉末放入烧杯，加水到100ml即可。用58.44mgNACL配1L的溶液是 0.01mol/L。
绛旓細A閿欒锛屼笉鑳藉湪瀹归噺鐡朵腑婧惰В鐗╄川锛汢閿欒锛岃閰嶅埗100mL婧舵恫锛屽姞鍏100 mL钂搁姘存憾瑙a2CO3鎵寰楁憾娑叉帴杩100mL锛屼絾骞朵笉鏄100mL锛汣閿欒锛岄夐」鏈敤鐜荤拑妫掑紩娴侊紱D 姝ｇ‘锛岄渶瑕佸掕浆锛屽閲忕摱鍐呭闄勭潃鐨勯儴鍒嗚璁′华鍣ㄦ椂宸茬粡鑰冭檻鍒颁簡銆傞厤鍒100mL0.1 mol路L-1 Na2CO3婧舵恫姝ラ锛氣憼璁＄畻鎵闇纰抽吀閽犵殑璐ㄩ噺0.1脳0.1脳...
绛旓細锛0.1L锛壝 锛0.1mol/L锛壝楋紙106锛=1.06g 鏈洜涓1.06g,浣嗘槸楂樹腑 鍖栧瀹為獙瀹 鐢ㄧ殑鏄 鎵樼洏澶╁钩 锛岀簿纭害鍙湁鍒 灏忔暟鐐 鍚庝竴浣嶏紝鎵浠ュ彧鑳芥槸1.1.濡傛灉涓瀹氳绮剧‘锛屼娇鐢 鍒嗘瀽澶╁钩 銆
绛旓細浠ュ崟浣嶄綋绉噷鎵鍚憾璐ㄧ殑鐗╄川鐨勯噺鏉ヨ〃绀烘憾娑茬粍鎴愮殑鐗╃悊閲忥紝鍙綔璇ユ憾璐ㄧ殑鎽╁皵娴撳害銆傛爣鍑嗙姸鍐典笅鐨11.2 Hcl 涓11.2/22.4=0.5mol 鐗╄川鐨勯噺娴撳害c=0.5/1=0.5mol/l 0.1mol/l鐨勭█鐩愰吀100ml hcl鐨勭墿璐ㄧ殑閲忎负 0.01 闇瑕佸彇姝ゆ憾娑 v=0.01/0.5=0.02l 鍗20ml ...
绛旓細100ml, 0.1mol/L 鐨 Na2co3婧舵恫闇Na2co3 0.01mol锛屽洜Na2co3鐨勬懇灏旇川閲忎负106g/mol鎵浠 0.01molNa2co3涓1.06鍏嬶紝鍗抽渶Na2co3 1.06鍏
绛旓細NaCl鎽╁皵璐ㄩ噺涓 58.5 g/mol NaCl璐ㄩ噺涓 58.5脳0.01=0.585 g 浜庢槸锛1.鍦ㄥぉ骞充笂绉板彇0.585 g NaCl锛2.灏嗙О濂界殑NaCl鍊掑叆鍒扮儳鏉腑,鍏堝姞鍏 50 ml 钂搁姘,鎸崱婧惰ВNaCl锛3.灏嗘憾娑茶浆绉诲埌 100 ml 瀹归噺鐡朵腑锛4.鍐嶅掑叆 20ml鐨勮捀棣忔按鍒扮儳鏉腑,鎸崱浠ユ礂鍑鐑ф澂澹佷笂娈嬬暀鐨凬aCl锛5.鍐嶅皢婧舵恫杞Щ鍒 ...
绛旓細NaCl=58.44g/mo 鍋囪浣犻渶瑕100mL鐨勬憾娑诧紝闇瑕乆鍏嬬殑NaCl 0.1=NaCl mol鏁/婧舵恫锛圠锛塵ol/L鍙嶆帹,缁忓崟浣嶈浆鎹 X=0.1M*100mL*58.44g/mol X=584.4mg 1L=1000mL 1g=1000mg
绛旓細鍏堢О鍙0.01mol鐨勮憽钀勭硸,鍗1.7鍏.婧朵簬鐑ф澂涓紙澶х害30~50ml锛.鍙栦竴100ml瀹归噺鐡,閫氳繃瀵肩寮曟祦灏閰嶇疆濂界殑婧舵恫杞Щ杩涘叆鍏朵腑.鐢ㄨ捀棣忔按娲楁钉鐑ф澂,灏嗘礂娑ゆ恫涔熻浆绉诲叆瀹归噺鐡朵腑.鍔犳按鑷虫帴杩100ml,鐢ㄨ兌澶存淮绠″姞鑷100ml.鐩栦笂鐡剁洊,鍧...
绛旓細鍙10.1 g (0.1mol) KNO3绮夋湯鏀惧叆鐑ф澂锛屽姞姘村埌100ml鍗冲彲銆傜敤58.44mgNACL閰1L鐨勬憾娑叉槸 0.01mol/L銆
绛旓細鍏堢畻鍑100ML0.1MOL/L婧舵恫涓惈KMNO40.1*0.1=0.01MOL,璁惧彇0.2MOL/L婧舵恫XL,X*0.2=0.01锛孹=0.05L=50 ml
绛旓細鏍规嵁绋閲婂畾寰嬶紝绋閲婂墠鍚庢憾璐ㄧ～閰哥殑鐗╄川鐨勯噺涓嶅彉锛岃娴撶～閰哥殑浣撶Н涓簒mL锛屾墍浠mL脳18.4mol/L=100mL脳0.1mol/L锛岃В寰楋細x鈮8.3锛屾墍浠ュ簲閲忓彇鐨勬祿纭吀浣撶Н鏄0.54mL
