銆€銆€1. 鍦ㄦ垜鍊戞墍鍋氱殑楣电礌鎬ц唱(zh矛)瀵﹂鍚庢湁涓€閬撴€濊€冮锛�

銆€銆€鐣�(d膩ng)?sh霉)鎬唜瀛愬拰婧撮洟瀛愭績搴﹀樊鍒ヨ純澶ф檪锛屾€庢ǎ鎵嶈兘鍒嗗垾閼掑畾?

銆€銆€閭勬湁涓€鍊嬪晱椤岋細

銆€銆€瀵﹂涓隘姘ｅ厛姘у寲纰樺悗姘у寲婧撮洟瀛�锛岄€欐槸鍚︽槸鐔卞姏瀛�(xu茅)鍜屽嫊鍔涘(xu茅)涔嬮枔宸暟寮曡捣鐨勭祼(ji茅)鏋滃憿?

銆€銆€(纰橀吀鐨勯浕妤甸浕鍕㈤珮浜庢捍鐨�)閫欑ó瑙ｉ噵鏄惁涓€瀹氳鏍规摎(j霉)瀵﹂绲�(ji茅)鏋滀締瑙ｉ噵鑰屼笉鍙兘鍔犱互闋�(y霉)娓憿?

銆€銆€绛旓細闂�(gu膩n)浜庡浣曢憭鍒-鍜孊r-(婵冨害宸垾杓冨ぇ鏅�)锛岄棞(gu膩n)閸靛湪浜庡浣曢櫎鍘诲共鎿�锛屼娇瀵﹂鐝�(xi脿n)璞℃洿鏄庨’銆傜暥(d膩ng)[I-]閬犲皬浜嶽Br-]鏅�锛孊r-鏄撲簬妾㈠嚭锛岃€孖-瀹规槗琚帺钃�銆傞偅涔堝湪鍔犲叆姘按鑷抽亷閲忓悗锛屽厛鐢–Cl4钀冨彇鍒嗛洟Br2銆傜劧鍚庣敤閭勫師鍔�(渚嬪浜炵～閰搁垑)鍥炴淮锛屽啀鐢–Cl4妾㈠嚭I2銆傚弽涔�锛岃嫢[I-]楂�锛屽墖闇€瑕佸姞姘按鑷矷2娑堝け锛屼娇I2瀹屽叏杞�(zhu菐n)鍖栫偤IO3-,鐒跺悗鐢–Cl4妾㈠嚭Br2銆�

銆€銆€闂�(gu膩n)浜庘€滃椹椾腑姘埃鍏堟哀鍖栫鍚庢哀鍖栨捍闆㈠瓙鈥�锛岄櫎鍙栨焙浜庢婧栭浕妤甸浕鍕㈠锛岄倓鑸噋H鍊兼湁闂�(gu膩n)(鍙互姣旇純涓€涓嬪牽琛ㄥ拰閰歌〃涓璉O3-/I2鐨勯浕妤甸浕鍕�銆�

銆€銆€2. 璜嬪晱锛屽湪浜岃嫰鑳�(鏄疦H-(C6H5)2涔�?)鐨勬績纭吀婧舵恫锛屽姞鍏ョ～閰搁吀鍖栫殑NaNO3婧舵恫锛屽湪鐣岄潰铏曞嚭鐝�(xi脿n)钘嶈壊鐠�(hu谩n)锛岃珛鍟忚棈鑹茬殑鏄粈涔堢墿璩�(zh矛)?鏄簩鑻兒鐨勬煇绋哀鍖栫敘(ch菐n)鐗╀箞?閭ｅ叿楂旀槸浠€涔堝憿?鍙﹀锛屾噳(y墨ng)瑭蹭笉鏈冩槸N2O3鐨勬績纭吀婧舵恫鍚�?璜嬪晱鍏烽珨鐨勫弽鎳�(y墨ng)寮忔槸浠€涔堝憿?鍙堢偤浠€涔堟渻褰㈡垚钘嶈壊鐨勭挵(hu谩n)?

銆€銆€绛旓細鍦ㄧ閰稿瓨鍦ㄤ笅锛屼簩鑻兒棣栧厛褰㈡垚浜岃仛鐗�(鑻挵(hu谩n)灏嶄綅鐩搁€�)銆傜劧鍚�锛屽悓妯ｅ湪纭濋吀瀛樺湪涓嬶紝涓婅堪浜岃仛鐗╄綁(zhu菐n)鍖栫偤钘嶈壊閱岄鐢�(ch菐n)鐗�銆�

銆€銆€褰㈡垚钘嶈壊鐠�(hu谩n)锛屼富瑕佹槸鐢变簬鐢�(ch菐n)鐗╃偤娌规€х墿璩�(zh矛)锛岄噺灏戙€佹瘮閲嶅皬涓斾笉婧朵簬姘�銆傛墍浠ユ渻椋勬诞浜庡櫒澹侀檮杩戙€�

銆€銆€瀵﹂殯涓�锛岄€欑ó鐠�(hu谩n)鐙€鐢�(ch菐n)鐗╃殑褰㈡垚閭勮垏鍙嶆噳(y墨ng)鍕曞姏瀛�(xu茅)閬庣▼鏈夐棞(gu膩n)銆傜暥(d膩ng)鍙嶆噳(y墨ng)鐗╃浉灏嶆摯鏁ｆ檪锛屾渻褰㈡垚鍙嶆噳(y墨ng)鍓嶆部锛屽湪婧舵恫涓嚭鐝�(xi脿n)鍙嶆噳(y墨ng)鐗╂績搴︾殑鎸暕(楂樹綆閷惤)锛屽緸鑰屼娇鍙嶆噳(y墨ng)楂旂郴鍑虹従(xi脿n)鏈夊簭鐨勭祼(ji茅)妲�(g貌u)鎴栧湒妗�銆�

銆€銆€3. 銆婃櫘閫氬寲瀛�(xu茅)瀵﹂銆�188闋侊細鍦�3婊村惈纭濋吀鏍瑰拰浜炵閰告牴鐨勬憾娑蹭腑锛屾淮鍔�2mol/L纭吀閰稿寲锛屽湪鍔犲咕婊村洓姘寲纰冲拰鍏╂淮1mol/L KI,鎸暕锛岃嫢鏈夋灞ら’绱壊锛屽墖琛ㄧず瀛樺湪浜炵閰告牴銆�

銆€銆€璜嬪晱锛� 纭濋吀鏍规槸鍚︽渻褰遍熆?鐝�(xi脿n)璞℃槸鍚﹁垏闆㈠瓙婵冨害鏈夐棞(gu膩n)?

銆€銆€绛旓細鑸嘯H+]鏈夐棞(gu膩n)銆傜█閰告憾娑蹭腑锛屼簽纭濋吀姘у寲鎬ф洿寮�;婵冮吀婧舵恫涓�锛岀閰告哀鍖栨€ф洿寮�銆傚鏋滀綘灏嶇閰告槸鍚︽渻鏈夊共鎿炬劅鍒版嚪鐤戯紝閭ｄ箞鍙互鍠崹鐢ㄧ閰告牴閲嶅京(f霉)涓€涓嬩笂杩板椹楁椹�锛屽氨鍙竻妤氫簡銆�

鏇村淇℃伅璜嬭í鍟�锛�绲�(ji茅)妲�(g貌u)宸ョ▼甯牷閬�    绲�(ji茅)妲�(g貌u)宸ョ▼甯珫澹�

?2009骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯€冭│鏅傞枔锛�9鏈�19銆�20鏃�
?08骞磋€冭│瑕�(gu墨)鑼�銆佹婧�: 2009骞翠竴绱氱祼(ji茅)妲�(g貌u)宸ョ▼甯€冭│缍�(w菐ng)涓婇仩绋嬭紨灏�(d菐o)鎷涚敓绨＄珷!
?09骞寸祼(ji茅)妲�(g貌u)宸ョ▼甯€佸斧杓斿皫(d菐o)锛岀従(xi脿n)鍦ㄥ牨鍚嶅彲璐�07銆�08骞磋绋嬶紒 

銆€銆€4.璜嬫暀涓€鍊嬪晱椤岋細

銆€銆€鍦ㄣ€婃櫘閫氬寲瀛�(xu茅)瀵﹂銆嬩腑锛屾彁鍒扳€滃彲浠ュ厛淇磩锛屽啀瑷堢畻鈥�锛岄偅鏈珛鐪嬶細

銆€銆€2.355*3.2=

銆€銆€ 2.355 
                           锛� 
                         3.2 
                   *       锛�   
                 ------------------ 
                     4 7 1 0 
                     锛�锛�锛�锛� 
                   7 0 6 5 
                +        锛� 
                ------------------- 
                   7.5 3 6 0 
                     锛�锛�锛�锛�            绲�(ji茅)鏋滅偤7.5 

銆€銆€鑰屽鏋滃厛淇磩锛屽墖 2.355=~2.4 2.4*3.2=7.68=~7.7

銆€銆€閫欐ǎ锛�7.5鍜�7.7锛屽灏�锛屽閷�? 璜嬫眰鎸囨暀!璎濊瑵!

銆€銆€绛旓細闂�(gu膩n)浜庢湁鏁堟暩(sh霉)瀛楃殑鍟忛锛屽ぇ瀹朵技涔庢垨澶氭垨灏戝瓨鍦ㄤ竴浜涘晱椤�, 灏变綘鑸夌殑閫欏€嬩緥瀛愯€岃█鈥曗€曞叐鍊嬬祼(ji茅)鏋滈兘鏄彲浠ヨ鏄皪鐨�(鍙槸绗簩绋柟娉曠殑绲�(ji茅)鏋滅簿搴﹀彲鑳芥渻绋嶅樊),浜嬪涓婂皣渚嗗ぇ瀹朵篃鏈冪櫦(f膩)鐝�(xi脿n)鐢ㄧ敱浜庝紤绱勫紩璧蜂竴浜涜宸篃涓嶅皯瑕�銆�

銆€銆€鍏跺锛岃鏈笂鐨勯€欏€嬩緥瀛愭湰鎰忔槸鎯宠瑾槑:鍏╁€嬫湁鏁堟暩(sh霉)瀛椾綅鏁�(sh霉)鐩稿樊姣旇純澶氱殑鏅傚€欑浉涔�(鎴栬€呯浉鍔�)濡傛灉涓€鍛宠淇濈暀閬庡鐨勪綅鏁�(sh霉)鏄矑鏈夋剰缇�,7.5360灏辨槸閫欐ǎ锛岄亣鍒伴€欑ó鎯呮硜锛岀偤浜嗚鎱庤捣瑕�锛屾垜鍊戝彲浠ラ€欐ǎ鍋�:

銆€銆€1.鎸夌収"鍏堣▓绠�,鍚庝紤绱�"鐨勬柟娉曡檿鐞�(涓婅堪鏂规硶1);

銆€銆€2.灏辨槸灏嶆湁鏁堟暩(sh霉)瀛椾綅鏁�(sh霉)姣旇純澶氱殑閭ｅ€嬩箻鏁�(sh霉)浼戠磩鏅備繚鐣欑殑浣嶆暩(sh霉)姣斾綅鏁�(sh霉)灏戠殑澶氫繚鐣欎竴浣嶁€曗€曚互涓婇鐐轰緥,3.2鈥曗€曞叐浣嶆湁鏁堟暩(sh霉)瀛�, 2.355鈥曗€曚紤绱勭偤2.36(淇濈暀涓変綅鏈夋晥鏁�(sh霉)瀛�),鐩镐箻绲�(ji茅)鏋滃啀浼戠磩鎴愬叐浣嶁€曗€�3.2脳2.36=7.552鈥曗€曞啀娆′紤绱�,7.6銆�

銆€銆€鎵€浠ユ湁鏁堟暩(sh霉)瀛楀晱椤岀⒑瀵︽湁鏅傚€欐瘮杓冪叐鐟�,鐗瑰垾鏄垜鍊戝湪杩芥眰涓€瀹氱簿搴︽檪,涓€鏂归潰鍏跺彇鑸嶅父鏈冨付渚嗕竴浜涚殑鍋忓樊,鍙︿竴鏂归潰鏁�(sh霉)鎿�(j霉)淇濈暀浣嶆暩(sh霉)閬庡鍙堟渻娌掓湁鎰忕京,甯稿父寰堥洠鍏╁叏鍏剁編鈥曗€曚絾鐝�(xi脿n)鍦ㄨ姹傚ぇ瀹剁殑鏄帉鎻℃湁鏁堟暩(sh霉)瀛楃殑姒傚康鍜岃檿鐞嗘暩(sh霉)鎿�(j霉)鐨勬柟娉�,鑷充簬瑷堢畻绲�(ji茅)鏋滄垜鍊戞渻鏍规摎(j霉)瀵﹂殯鎯呮硜瑷�(sh猫)瀹�"鍙栧€艰寖鍦�", 鎵€浠ュ悓瀛�(xu茅)鍊戜笉蹇呴亷浜庢摂(d膩n)蹇�銆�