0.2L/s=多少立方/小时,扬程:45米
\u6c34\u6cf5\u6d41\u91cf\u6362\u7b97\uff1a20L/S=\u591a\u5c11\u7acb\u7c73\u6bcf\u5c0f\u65f6\uff0c\u600e\u4e48\u6362\u7b97\uff1f20L/S=\uff0820\u5347x0.001\u7acb\u65b9\u7c73/\u5347 \uff09/\uff081/3600\uff09\u5c0f\u65f6=0.02\u7acb\u65b9\u7c73x3600/\u5c0f\u65f6=72\u7acb\u65b9\u7c73/\u5c0f\u65f6
\u7eb5\u5411\uff1a220/320/360\u8fd9\u4e9b\u6570\u5b57\u662f\u51fa\u53e3\u538b\u529b\uff08kPa\u8fd9\u4e2a\u5199\u6cd5\u5e94\u8be5\u662f\u6307\u7edd\u5bf9\u538b\u529b\uff0c\u5982\u679c\u662f\u8868\u538b\u5219\u5e94\u8be5\u5199\u6210kPag\uff09\u3002\u628a\u8fd9\u4e9b\u6570\u5b57\u51cf100\u518d\u9664\u4ee510\uff0c\u5c31\u5f97\u5230\u6c34\u6cf5\u7684\u626c\u7a0b\uff08\u7c73\uff09\u3002\u6bd4\u5982\u51fa\u53e3\u538b\u529b220\uff0c\u5219\u626c\u7a0b\u5e94\u4e3a\u7ea6\u4e3a(220-100)/10=12(\u7c73)\u3002\u4f5c\u4e3a\u4e00\u4e2a\u7ec6\u5fc3\u7684\u7528\u6237\uff0c\u4f60\u6c38\u8fdc\u5e94\u8be5\u4e0e\u5bf9\u65b9\u786e\u8ba4\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u538b\u529b\u662f\u7edd\u5bf9\u538b\u529b\u8fd8\u662f\u8868\u538b\u3002\uff08\u5047\u5982\u4ed6\u8bf4\u662f\u8868\u538b\uff0c\u4f60\u5e94\u8be5\u544a\u8bc9\u4ed6\uff0c\u4f60\u7684\u5199\u6cd5\u4e0d\u4e13\u4e1a\u3001\u4e0d\u660e\u786e\u3002\uff09
\u6a2a\u5411\uff1a6/10/15/20/26/30\u8fd9\u4e9b\u6570\u5b57\u662f\u6c34\u6e90\u6df1\u5ea6
\u6a2a\u5411\uff1a35/31/27/22/15/-\uff0c\u524d\u4e94\u4e2a\u6570\u5b57\u662f\u5bf9\u5e94\u4e8e220 kPa\u51fa\u53e3\u538b\u529b\u7684\u6c34\u6d41\u91cf\uff08\u5355\u4f4d\u662fl/min\uff0c\u5373\u6bcf\u5206\u949f\u591a\u5c11\u5347\uff09\u3002\u5c06\u8fd9\u4e9b\u6570\u5b57\u4e58\u4ee50.06\u5c31\u5f97\u5230\u5355\u4f4d\u662f\uff08\u7acb\u65b9\u7c73/\u5c0f\u65f6\uff0cm3/h\uff09\u7684\u6c34\u6d41\u91cf\u3002\u4f8b\u598235 l/min = 35*0.06 = 2.1 (m3/h)
绛旓細涓銆侀厤鍒讹細0.02mol/LHCl婧舵恫锛氶噺鍙1.8姣崌鐩愰吀锛岀紦鎱㈡敞鍏1000ml姘淬0.1mol/LHCl婧舵恫锛氶噺鍙9姣崌鐩愰吀锛岀紦鎱㈡敞鍏1000ml姘淬0.2mol/LHCl婧舵恫锛氶噺鍙18姣崌鐩愰吀锛岀紦鎱㈡敞鍏1000ml姘淬0.5mol/LHCl婧舵恫锛氶噺鍙45姣崌鐩愰吀锛岀紦鎱㈡敞鍏1000ml姘淬1.0mol/LHCl婧舵恫锛氶噺鍙90姣崌鐩愰吀锛岀紦鎱㈡敞鍏1000ml姘淬備簩...
绛旓細200ml = 0.2L 鎵浠ョ墿璐ㄧ殑閲忔祿搴︿负2mol/L鐨勬憾娑诧紝0.2L涓紝鍚湁婧惰川锛2mol/L 脳 0.2L =0.4mol 鏃紝鍚湁H2SO4 0.4mol 绁濆涔犺繘姝鍥炵瓟婊℃剰璇烽噰绾硚
绛旓細鏄寚婧惰川娴撳害鐨勮寖鍥存槸鍦0.1mg/L鍒0.2mg/L涔嬮棿锛屾崲鍙ヨ瘽璇存瘡1鍗囨憾鍓傚綋涓湁0.1鍒0.2姣厠鐨勬憾璐ㄣ
绛旓細E0绾с傛澘鏉愨墹0.5mg/L涓篍1绾э紝鈮1.5mg/L涓篍2绾т负锛岀洰鍓嶅浗鍐呭彧鏈塃2绾ф爣鍑嗭紝鏉挎潗鐢查啗閲婃斁閲忔槸鈮0.2mg/L锛屾槸E0绾с傛澘鏉愭槸鍋氭垚鏍囧噯澶у皬鐨勬墎骞崇煩褰㈠缓绛戞潗鏂欐澘锛屽簲鐢ㄤ簬寤虹瓚琛屼笟锛岀敤鏉ヤ綔澧欏銆佸ぉ鑺辨澘鎴栧湴鏉跨殑鏋勪欢銆
绛旓細瑕侀厤鍒0.2mol/L鐨勬阿姘у寲閽犳憾娑诧紝鍙互鎸夌収浠ヤ笅姝ラ杩涜锛1銆佽绠楁墍闇姘㈡哀鍖栭挔鐨勮川閲忥細鏍规嵁鐗╄川鐨勯噺娴撳害鍏紡c=n/V锛屽叾涓璫鏄墿璐ㄧ殑閲忔祿搴︼紝n鏄墿璐ㄧ殑閲忥紝V鏄憾娑茬殑浣撶Н銆傚湪杩欎釜渚嬪瓙涓紝c=0.2mol/L锛孷鍋囪涓1L锛堝彲浠ユ牴鎹渶瑕佽皟鏁达級銆傚洜姝わ紝n=cV=0.2mol/L1L=0.2mol銆傛阿姘у寲閽犵殑鎽╁皵璐ㄩ噺绾︿负...
绛旓細1銆佸彇0.2mol姣L纾烽吀浜屾阿閽炬憾娑250ml銆2銆佸姞0.2mol姣廘姘㈡哀鍖栭挔婧舵恫118ml銆3銆佺敤姘寸█閲婅嚦1000ml锛屽嵆寰椼4銆佺７閰哥紦鍐叉恫锛圥B锛孭hosphateBuffer锛夛紝鏄敓鐗╁寲瀛︾爺绌朵腑浣跨敤鏈涓哄箍娉涚殑涓绉嶇紦鍐叉恫锛岄氬父浣跨敤鐨勬湁纾烽吀閽犵紦鍐叉恫锛圢aH2PO4&Na2HPO4锛夊拰纾烽吀閽剧紦鍐叉恫锛圞2HPO4&KH2PO4)锛岀敱浜庡畠浠湁浜岀骇瑙ｇ锛...
绛旓細瑕侀厤鍒0.2mol/L鐨勬棤姘寸７閰镐笁閽狅紙Na3PO4锛夋憾娑诧紝闇瑕佷互涓嬫楠わ細1. 璁＄畻鎵闇璐ㄩ噺锛氶鍏堢‘瀹氭墍闇婧舵恫鐨勪綋绉紝渚嬪100 mL銆傜劧鍚庢牴鎹懇灏旀祿搴﹀拰浣撶Н璁＄畻鎵闇鐨勭墿璐ㄨ川閲忋傛懇灏旀祿搴︿负0.2mol/L锛屼綋绉负0.1 L锛屽洜姝ゆ墍闇璐ㄩ噺涓0.2mol/L 脳 0.1 L = 0.02 mol銆2. 鍑嗗鏃犳按纾烽吀涓夐挔锛氭牴鎹墍闇...
绛旓細閰嶅埗0.2 mol/L鐨勭洂閰告憾娑诧紝闇瑕佷互涓嬫楠わ細璁＄畻鎵闇鐨勭洂閰歌川閲忥細棣栧厛锛屾垜浠渶瑕佺煡閬0.2 mol/L鐨勭洂閰告憾娑蹭腑姣忓崌婧舵恫鍚湁澶氬皯鍏嬬殑鐩愰吀銆傜敱浜1 mol鐨勭洂閰歌川閲忕害涓36.46 g锛屾墍浠0.2 mol鐨勭洂閰歌川閲忎负36.46 g * 0.2 = 7.292 g銆傜О鍙栨墍闇鐨勭洂閰革細鍦ㄥぉ骞充笂鍑嗙‘绉板彇7.292 g鐨勭洂閰搞傛憾瑙ｇ洂閰革細灏...
绛旓細PH绛変簬4.93銆備腑鍜屽弽搴旂瓑浜庢槸0.02molHCl涓0.05molNaAc鍙嶅簲锛岀敓鎴0.02molHAc锛屽墿浣0.03molNaAc銆傛寜缂撳啿婧舵恫PH=pKa+lgc鐩/c閰=4.75+lg0.03/0.02=4.93銆俻H = pKa -lg(n閰/n纰憋級锛岃嚜pKa=-lg(1.8*10^-5)=4.74 > 4.44锛孒Ac-NaAc缂撳啿绯汇傝鍔犲叆NaAc涓簒 mol锛4.44=4.74-lg[0....
绛旓細閰嶅埗0.2mol/l纭寲閽犻渶瑕佺敤澶╁钩杩涜閰嶇疆銆傜敤澶╁钩閲忓彇0.78鍏嬬～鍖栭挔锛屽湪灏忕儳鏉腑鐢ㄥ皯閲忔按婧惰В锛岀Щ鍏100姣崌瀹归噺鐡朵腑锛屽姞姘磋嚦鍒诲害鍗冲彲銆傦紙涓洪槻姝㈡按瑙ｅ彲浠ュ姞鍏ュ皯閲忔阿姘у寲閽狅級銆
