配制500ml百分之一的氧化镁溶液需要多少克氧化镁？ 昆明理工大学应用化学专业怎么样
\u7406\u5de5\u5b66\u79d1-\u5316\u5b66\uff1a\u5173\u4e8e\u6d88\u53bb\u53cd\u5e94BrCH2CH2Br+NaOH== BrCH=CH2+NaBr+H2O
BrCH2CH2Br+2NaOH ==CH\u2261CH+2NaBr+2H2O
\u7bad\u5934\uff0c\u4e0a\u9762\u6761\u4ef6\u7565
\u6606\u660e\u7406\u5de5\u5927\u5b66\u5e94\u7528\u5316\u5b66\u5b66\u79d1\u662f\u4e91\u5357\u7701\u201c\u5341\u4e94\u201d\u91cd\u70b9\u5efa\u8bbe\u5b66\u79d1\uff0c2007
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绛旓細杩姘у寲閽犮 鐩愰吀銆 閽欐爣鍑嗘憾娑蚕(Ca)=1.00mg/mL閰嶅埗鏂规硶鍙傝60.2.5.1銆 闀鏍囧噯婧舵恫蟻(Mg)=1.00mg/mL绉板彇3.9180g姘寲闀(浼樼骇绾,105鈩冪儤骞),婧朵簬1000mL姘翠腑,娣峰寑銆 閿版爣鍑嗘憾娑查厤鍒舵柟娉曞弬瑙60.2.5.3銆 鏍″噯鏇茬嚎 绉诲彇鍚挋0mg銆0.50mg銆1.00mg銆5.00mg銆8.00mg鐨勯挋鏍囧噯婧舵恫,鍒嗗埆缃簬涓缁100mL瀹归噺鐡朵腑,浠(5...
绛旓細鍒0.01 mol/L鐨勯晛EDTA鏍囧噯婧舵恫闇瑕佷互涓嬭瘯鍓傦細浜岄挔鐩愪節姘村悎鐗╋紙Na2H2EDTA锛(MW=372.24g/mol)锛岀敤浜庡埗澶嘐DTA缁滃悎鍓 姘姘у寲闀(Mg(OH)2) (MW=58.32g/mol)锛岀敤浜庡埗澶囬晛绂诲瓙 閰嶅埗姝ラ濡備笅锛1.璁＄畻鎵闇璇曞墏閲忓洜涓0.01mol/L鐨勮姹傦紝杩欐剰鍛崇潃姣忓崌婧舵恫涓渶瑕佹湁0.01鎽╁皵鐨勯晛绂诲瓙鍜岀浉搴旂殑EDTA缁滃悎鍓...
绛旓細n(NaOH)=0.52L脳1.0mol/L=0.52mol锛屽嵆n(HCl)=0.52mol C(HCl)=0.52mol/0.2L=2.6mol/L (2)銆佽繕鏄畧鎭掓濇兂锛氬亣璁緉(MgO)涓篨mol 鍒闀绂诲瓙涓篨mol n(Al2O3)涓篩mol锛屽垯閾濈瀛愪负2Ymol 鐢卞浘鍍忕煡锛屼粠寮濮嬫矇娣鍒版矇娣鏈澶ц繖涓闃舵娑堣梀(NaOH)=520m-20ml=500ml 娌夋穩涓篗g(OH)2鍜...
绛旓細1銆佽捀棣忚缃澶勭悊锛氬姞250mL鍘荤瀛愭按浜500mL鍑皬鐑х摱涓紝鍔0.25g杞昏川姘у寲闀鍜屾暟绮掔幓鐠冪彔锛岃繛鎺ュ畾姘悆銆佺洿褰㈠喎鍑濈鍜屽惛鏀跺绠★紝鍔犵儹钂搁锛屽奸鍑烘恫涓嶅惈姘ㄤ负姝紝寮冨幓鐑х摱鍐呮畫澶溿2銆佸垎鍙250mL姘存牱锛堣嫢姘ㄦ爱鍚噺杈冮珮锛屽彲鍒嗗彇閫傞噺姘存牱骞跺姞鍘荤瀛愭按鑷250mL锛屼娇姘ㄦ爱鍚噺涓嶈秴杩2.5mg锛夛紝绉诲叆500mL鍑皬...
绛旓細杩欎釜棰樺彲浠ヨ繖涔堢湅锛岃浣夸粬鐨勬矇娣鏈澶э紝閭ｄ箞灏辨槸璁╂阿姘у寲閽犲垰濂藉畬鍏ㄦ矇娣婧舵恫涓鐨勯晛绂诲瓙鍜岄摑绂诲瓙锛屽悓鏃朵笉娑堣楃敓鎴愮殑姘㈡哀鍖栭摑娌夋穩锛岄偅涔堟阿姘у寲閽犵殑閲忓氨鏄洂閰哥殑閲忋傦紙鐢变簬闀侀摑涓庣洂閰稿弽搴斿垎鍒槸1:2鍜1:3涓庨晛绂诲瓙鍜岄摑绂诲瓙娑堣楁阿姘ф牴鐨勬瘮渚嬬浉鍚岋級銆
绛旓細锛1锛夐晛鏄椿娉兼ц緝寮虹殑閲戝睘锛岃兘杩呴熷拰绌烘皵涓殑姘ф皵鍙嶅簲鐢熸垚姘у寲闀侊紝姘у寲闀侀鍏堢█纭吀鍙嶅簲鐢熸垚纭吀闀佸拰姘达紝涓嶄骇鐢烪2锛岀瀛愭柟绋嬪紡涓篗gO+2H+=Mg2++H2O锛屾晠绛旀涓猴細闀佹潯琛ㄩ潰鏈夋哀鍖栭晛锛岀～閰搁鍏堝拰涓庤〃闈鐨勬哀鍖栭晛鍙嶅簲锛屼笉浜х敓姘㈡皵锛汳gO+2H+=Mg2++H2O锛涳紙2锛夐噾灞炲拰閰哥殑鍙嶅簲鏄斁鐑弽搴旓紝浣挎憾娑茬殑娓╁害鍗囬珮锛...
绛旓細涓銆佺閰哥洂涓姘у寲閽欏惈閲忕殑娴嬪畾绠杩 閽欏拰闀鍦ㄧ閰哥洂璇曟牱涓父甯镐竴璧峰嚭鐜,甯搁渶鍚屾椂娴嬪畾銆傚湪缁忓吀鍒嗘瀽绯荤粺涓槸灏嗗畠浠垎寮鍚,鍐嶅垎鍒互閲嶉噺娉曟垨婊村畾娉曟祴瀹;鑰屽湪蹇熷垎鏋愮郴缁熶腑,鍒欏父甯稿湪涓浠芥憾娑蹭腑鎺у埗涓嶅悓鐨勬潯浠跺垎鍒祴瀹氥傞挋鍜岄晛鐨勫厜搴﹀垎鏋愭柟娉曚篃寰堝,骞舵湁涓嶅皯楂樼伒鏁忓害鐨勫垎鏋愭柟娉,渚嬪,Ca2+涓庡伓姘儌M鍙婂悇绉嶅伓姘晶璇曞墏...
绛旓細鏂规硶鎻愯 璇曟牱鐢ㄧ閰搞佺洂閰搞佹阿姘熼吀銆侀珮姘吀鍒嗚В锛屽啀鐢ㄧ洂閰告憾瑙ｅ悗锛岀洿鎺ョ敤鐢垫劅鑰﹀悎绛夌瀛愪綋鍙戝皠鍏夎氨浠祴瀹氫富閲忓厓绱犳哀鍖栭挋銆佷笁姘у寲浜岄搧銆佹哀鍖栭捑銆姘у寲闀銆佹哀鍖栭挔锛屾閲忓強鐥曢噺鍏冪礌閽°侀搷銆侀搱銆侀挻銆侀摤銆侀摐銆侀晸銆侀暓銆侀攤銆侀敯銆侀捈銆侀搶銆侀晬銆佺７銆侀搮銆侀摲銆侀挭銆侀敹銆侀拲銆侀挍銆侀拻鍙婇攲27绉嶅厓绱犮傛湰鏂规硶閫傜敤浜...
绛旓細3.1.1 钂搁娉:姣忓崌钂搁姘翠腑鍔0.1mL纭吀,鍦ㄥ叏鐜荤拑钂搁鍣ㄤ腑閲嶈捀棣,寮冨幓50mL鍒濋娑,鎸夊彇鍏朵綑棣忓嚭娑蹭簬鍏峰纾ㄥ彛鐨勭幓鐠冪摱涓,瀵嗗淇濆瓨.3.1.2 绂诲瓙浜ゆ崲娉:浣胯捀棣忔按閫氳繃寮洪吀鍨嬮槼绂诲瓙浜ゆ崲鏍戣剛鏌.3.2 1mol/L鐩愰吀婧舵恫.3.3 1mol/L姘㈡哀鍖栫撼婧舵恫.3.4 杞昏川姘у寲闀(MgO):灏嗘哀鍖栭晛鍦500鈩冧笅鍔犵儹,浠...
绛旓細7.1 鎿嶄綔鏂规硶 7.1.1 渚涜瘯娑茬殑鍒跺 鍙栧悇鍝佺椤逛笅瑙勫畾閲忕殑渚涜瘯鍝侊紝缃捀棣忕摱涓紝鍔犳棤姘ㄦ按200ml涓姘у寲闀1.0g銆傚彟鍙栨棤姘ㄦ按5ml锛屽姞绋鐩愰吀1婊达紝缃50ml绾虫皬姣旇壊绠′腑锛屼綔涓哄惛鏀舵恫銆傚姞鐑捀棣忥紝棣忓嚭娑插鍏ュ墠杩扮撼姘忔瘮鑹茬涓紝鑷抽鍑烘恫杈40ml鏃讹紝灏嗗喎鍑濈灏栫鎻愬嚭娑查潰锛岀敤灏戦噺鏃犳皑姘存穻娲楀苟鍋滄钂搁銆
