400ug/ml等于多少mmol/l,相对分子质量为64 理工学科 -> 化学
\u7406\u5de5\u5b66\u79d1->\u5316\u5b66\u89e3\uff1a
\u5728\u6e29\u5ea6\u538b\u5f3a\u76f8\u540c\u7684\u60c5\u51b5\u4e0b\uff0c\u540c\u6837\u4f53\u79ef\u7684\u6c2e\u6c14\u4e0e\u6c27\u6c14\u8d28\u91cf\u6bd4\u4e3a\u5176\u76f8\u5bf9\u5206\u5b50\u8d28\u91cf\u4e4b\u6bd4\uff0c\u6c2e\u6c14\u7684\u76f8\u5bf9\u5206\u5b50\u8d28\u91cf\u662f 14.0067\u00d72 = 28.0134 \u3002\u6c27\u6c14\u7684\u76f8\u5bf9\u5206\u5b50\u8d28\u91cf\u662f 15.9994\u00d72 = 29.9988 \u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u540c\u6837\u4f53\u79ef\u6c2e\u6c14\u4e0e\u6c27\u6c14\u8d28\u91cf\u6bd4\u4e3a 28.0134 : 29.9988 \u3002
\u5728\u7a7a\u6c14\u4e2d\uff0c\u6c2e\u6c14\u4e0e\u6c27\u6c14\u7684\u8d28\u91cf\u6bd4\u4e3a 75.47 : 23.20
\u8bbe\u6c27\u6c14\u4f53\u79ef\u4e3a V \uff0c\u6c2e\u6c14\u4f53\u79ef\u662f\u6c27\u6c14\u4f53\u79ef\u7684 x \u500d\u3002\u90a3\u4e48\u6c2e\u6c14\u4f53\u79ef\u662f Vx
(V\u00b7\u6c2e\u6c14\u5bc6\u5ea6) : (V\u00b7\u6c27\u6c14\u5bc6\u5ea6) = 28.0134 : 29.9988
(Vx\u00b7\u6c2e\u6c14\u5bc6\u5ea6) : (V\u00b7\u6c27\u6c14\u5bc6\u5ea6) = 75.47% : 23.20%
\u4e8c\u5f0f\u76f8\u9664\uff0c\u5f97\u5230
1/x = (28.0134 \u00f7 29.9988) \u00f7 (75.47% \u00f7 23.20%)
\u7b97\u5f97 x = 3.483(6)
\u6709\u6548\u6570\u5b57\u5e94\u8be5\u662f\u56db\u4f4d\uff0c\u591a\u7559\u4e00\u4f4d\u4ee5\u4fbf\u4e4b\u540e\u8ba1\u7b97\u3002
\u5982\u679c\u4f7f\u7528\u6574\u6570\u7684\u76f8\u5bf9\u539f\u5b50\u8d28\u91cf\uff0cx = 3.48538\u2026\u2026
\u8bbe\u5176\u5b83\u6c14\u4f53\u4f53\u79ef\u5206\u6570 a% \uff0c\u5bc6\u5ea6\u4e3a \u03c1 \u3002
\u6c27\u6c14\u4f53\u79ef\u5206\u6570\u4e3a (1 - a%)/(x + 1)\uff0c\u5219\u6c2e\u6c14\u4f53\u79ef\u5206\u6570\u4e3a x(1 - a%)/(x + 1) \u3002\u8fd9\u91cc\u8fb9 x \u662f\u5df2\u7ecf\u6c42\u51fa\u6765\u7684\uff0c\u662f\u7cfb\u6570\uff0ca \u624d\u662f\u672a\u77e5\u6570\u3002
\u6240\u6709\u6c14\u4f53\u7684\u4f53\u79ef\u5206\u6570\u5206\u522b\u4e58\u4ee5\u5176\u5bc6\u5ea6\u4e4b\u548c\uff0c\u7b49\u4e8e\u7a7a\u6c14\u7684\u5bc6\u5ea6\u3002\u6839\u636e\u6761\u4ef6\uff0c\u53ef\u4ee5\u5217\u51fa\u65b9\u7a0b\u7ec4
\u03c1a% + (1 - a%)/(x + 1)\u03c1\u6c27\u6c14 + x(1 - a%)/(x + 1)\u03c1\u6c2e\u6c14 = \u03c1\u7a7a\u6c14
\u03c1a% / \u03c1\u7a7a\u6c14 = 1.33%
\u7531\u4e0b\u8fb9\u8fd9\u4e2a\u65b9\u7a0b\u5f97\u5230 \u03c1 = 0.0133\u03c1\u7a7a\u6c14 / a%
\u4e8e\u662f\u4e0a\u8fb9\u90a3\u4e2a\u65b9\u7a0b\u53d8\u6210\u5982\u4e0b\u5f62\u5f0f
1.33\u03c1\u7a7a\u6c14 + (1 - a%)/(x + 1)\u03c1\u6c27\u6c14 + x(1 - a%)/(x + 1)\u03c1\u6c2e\u6c14 = \u03c1\u7a7a\u6c14
\u5176\u4e2d\u03c1\u7a7a\u6c14\u3001\u03c1\u6c27\u6c14\u3001\u03c1\u6c2e\u6c14 \u8fd8\u6709 x \u90fd\u662f\u5df2\u77e5\u7684\u4e86\u3002\u5e26\u5165\u6240\u6709\u5df2\u77e5\u91cf\uff0c\u5f97\u5230 a% = 1.154% \uff1b
\u5982\u679c\u4f7f\u7528\u6574\u6570\u7684\u76f8\u5bf9\u539f\u5b50\u8d28\u91cf\uff0ca% = 0.01152984\u2026\u2026 \u2248 1.15%
\u6c2e\u6c14\u4f53\u79ef\u5206\u6570 x(1 - a%)/(x + 1) = 76.80%
\u6c27\u6c14\u4f53\u79ef\u5206\u6570 (1 - a%)/(x + 1) = 22.05%
\u5982\u679c\u4f7f\u7528\u6574\u6570\u76f8\u5bf9\u539f\u5b50\u8d28\u91cf\uff0c\u6c2e\u6c14\u4f53\u79ef\u5206\u6570\u4e3a76.81%\uff0c\u6c27\u6c14\u4f53\u79ef\u5206\u6570\u4e3a22.04%
(1)\u8bbe\u539f\u6eb6\u6db2\u4e2d\u786b\u9178\u8d28\u91cf\u4e3aX.
H2SO4+Ba(OH)2==BaSO4+2H2O
X=98*20*17.1%/171=1.96
\u6240\u4ee5\uff0c\u539f\u6eb6\u6db2\u4e2d\u786b\u9178\u8d28\u91cf\u5206\u6570\u4e3a1.96/20*100%=9.8%
(2) ph=7\u65f6\uff0c\u6eb6\u8d28\u4e3a\u6c2f\u5316\u94a1\uff0c\u8bbe\u4e3ay
2HCl+Ba(OH)2==BaCl2+H2O
y=208*40*17.1%/171=8.32
1mol=1000mmol
1L=1000ml
400÷64=6.25
所以，400ug/ml等于6.25mmol/L。
绛旓細400寰厠(ug)銆傛牴鎹櫨搴︽暀鑲叉煡璇㈠緱鐭ワ紝璐ㄩ噺鍗曚綅鎹㈢畻锛屽師鍗曚綅鏄痬g锛岀洰鏍囧崟浣嶆槸ug锛岃繘鐜囨槸1000锛岃绠0.4mg绛変簬澶氬皯ug锛0.4脳1000=400锛0.4mg绛変簬400ug銆傗渦g鈥濇槸寰厠鐨勭缉鍐欙紝涔熻绉颁负鈥滃井鍏嬧濄傚井鍏嬫槸鍥介檯鍗曚綅鍒朵腑鐨勮川閲忓崟浣嶏紝瀹冭〃绀虹殑鏄竴鐧句竾鍒嗕箣涓鍏嬨
绛旓細1. 0.4姣厠(mg)銆2. 鏍规嵁鏌ヨ璐ㄩ噺鍗曚綅鎹㈢畻鏂瑰紡鏄剧ず鍜屾锛1寰厠锛坲g锛=0.001姣厠(mg)銆3. 閫氳繃璁＄畻鏄剧ず锛400涔樹互0.001绛変簬0.4銆4. 鐢辨寰楃煡锛400ug鏄0.4mg銆5. 姣厠鏄竴绉嶅浗闄呴氱敤鐨勮川閲忓崟浣嶏紝鑻辨枃绠绉扳渕g鈥濓紝鍦ㄦ祴閲忔恫浣撳拰鑽墿鎴愬垎涓父鐢ㄣ6. 1姣厠绛変簬1000寰厠锛1.0脳10^-3 g锛夈7...
绛旓細400寰厠锛400梅1000姣厠锛0.4姣厠
绛旓細棣栧厛锛屾垜浠鏄庣‘闂鐨 400寰厠锛ug锛夌瓑浜0.4姣厠锛坢g锛夈傛帴涓嬫潵锛屾垜浠潵璇︾粏瑙ｉ噴杩欎竴鎹㈢畻鍏崇郴銆傚井鍏嬪拰姣厠閮芥槸璐ㄩ噺鍗曚綅锛屽畠浠箣闂寸殑鎹㈢畻鍏崇郴鏄熀浜庡崈杩涘埗鐨勩傚叿浣撴潵璇达紝1姣厠绛変簬1000寰厠銆傝繖鏄洜涓“姣”杩欎釜璇嶅湪搴﹂噺鍗曚綅涓父甯歌〃绀哄崈鍒嗕箣涓锛岃“寰”鍒欒〃绀虹櫨涓囧垎涔嬩竴銆備絾鍦...
绛旓細0.4mg銆傞氳繃閲嶉噺鍗曚綅鐨勬崲绠楀叕寮忓彲鐭ワ紝mg鏄鍏嬬殑缂╁啓绗﹀彿锛寀g鏄井鍏嬬殑缂╁啓绗﹀彿锛1姣厠绛変簬1mg绛変簬1000寰厠绛変簬1ug锛屽嵆400ug绛変簬400闄や互1000绛変簬0.4mg銆傛墍浠400ug鏄0.4mg銆傚叾浠栭噸閲忓崟浣嶇殑鎹㈢畻鍏紡鏈夛細1鍚ㄧ瓑浜1000鍗冨厠銆1鍗冨厠绛変簬1000鍏嬨1鏂ょ瓑浜500鍏嬨1鍗冨厠绛変簬1鍏枻銆1鍏嬬瓑浜1000姣厠绛夈
绛旓細400ug=0.4mg 寰厠锛圵膿iK猫锛夛紝璐ㄩ噺鍗曚綅锛岀鍙 渭g锛堣嫳璇細microgram锛夈1渭g 绛変簬涓鐧句竾鍒嗕箣涓鍏嬨傚井鍏嬶紙渭g锛夛紝璐ㄩ噺鍗曚綅銆1000 绾冲厠锛坣g锛=1渭g 1000 寰厠锛埼糶锛=1銕庯紙姣厠锛
绛旓細0.4姣厠銆倁p鎸囧井鍏嬶紝鍥犲井鍏嬫槸閲嶉噺鐨勮閲忓崟浣嶄箣涓锛岀敤浜庡井灏忕殑鐗╄川娴嬮噺锛屾槸鍗冨垎涔嬩竴姣厠锛屽洜姝400寰厠绛変簬400鍒1000姣厠锛屽嵆0.4姣厠銆
绛旓細400ug銆1000寰厠=1姣厠锛0.4姣厠脳1000寰厠=400寰厠銆傛鍏嬪拰寰厠涔嬮棿鐨勮浆鎹㈠叧绯绘槸1姣厠=1000寰厠锛屾鍏嬶紙mg锛夋槸鏇村ぇ鐨勫崟浣嶏紝鑰屽井鍏嬶紙ug锛夋槸鏇村皬鐨勫崟浣嶃傚井鍏嬪惈閲忛潪甯稿皬锛屾槸鍥介檯涓婇氱敤鐨勮川閲忓崟浣嶏紝涓昏鐢ㄦ潵娴嬮噺娑蹭綋鍜岃嵂鐗╃殑鎴愬垎銆
绛旓細1. umol锛堝井鎽╁皵锛夊拰ug锛堝井鍏嬶級鏄笉鍚岀殑閲忕翰锛屼笉鑳界洿鎺ユ崲绠椼2. 1 umol/L锛堝井鎽╁皵姣忓崌锛夌瓑浜 5.58 ug/L锛堝井鍏嬫瘡鍗囷級銆3. umol/mol锛堝井鎽╁皵姣忔懇灏旓級鏄〃绀虹墿璐ㄧ殑閲忕殑鍗曚綅锛岀敤浜庢弿杩版瘡鎽╁皵鐗╄川涓寘鍚殑鍙︿竴鐗╄川鐨勫井鎽╁皵鏁般4. 渚嬪锛屽鏋滄瘡鎽╁皵閾滀腑鍚湁2 umol閾讹紝鍙互琛ㄧず涓2 umol/mol銆
绛旓細1g=1000mg锛1mg=1000ug 1mol=1000mmol 1L=1000ml 400梅64=6.25 鎵浠ワ紝400ug/ml绛変簬6.25mmol/L銆
