20ml的0.15是多少 15-20ml大约是多少克?
20ml\u7b49\u4e8e\u591a\u5c11\u514b\u4e0d\u540c\u7269\u8d28\u7684\u5bc6\u5ea6\u4e0d\u540c\uff0c\u6240\u4ee5\u76f8\u540c\u4f53\u79ef\u7684\u7269\u8d28\u8d28\u91cf\u4f1a\u4e0d\u540c\uff0c\u4e00\u822c\u5730\u8bf4\uff0c20ml\u6c34\u7b49\u4e8e20\u514b\uff01
\u5373\uff1a20\u514b\u6c34\u76f8\u5f53\u4e8e20\u6beb\u5347\uff0c\u56e0\u4e3a1\u65a4\u7b49\u4e8e500\u514b\uff0c\u800c1\u65a4\u53c8\u76f8\u5f53\u4e8e500\u6beb\u5347\uff0c\u6240\u4ee51\u514b\u5c31\u76f8\u5f53\u4e8e1\u6beb\u5347\u3002
\u514b\u662f\u91cd\u91cf\u5355\u4f4d\uff0c\u6beb\u5347\u662f\u4f53\u79ef\u5355\u4f4d\uff0c\u4e0d\u80fd\u7528\u7b49\u4e8e\u6765\u8bf4\uff0c\u53ea\u80fd\u662f\u76f8\u5f53\u4e8e\u3002
\u6beb\u5347\u662f\u4e00\u4e2a\u5bb9\u79ef\u5355\u4f4d\uff0c\u8ddf\u7acb\u65b9\u5398\u7c73\u5bf9\u5e94\uff0c\u5bb9\u79ef\u5355\u4f4d\u7684\u4e3b\u5355\u4f4d\u662f\u5347\uff08L\uff09\u30021L=1000mL \uff0c1\u6beb\u5347=1\u7acb\u65b9\u5398\u7c73 \uff0c1000\u6beb\u5347=1\u7acb\u65b9\u5206\u7c73=1L\u3002
1L=1000mL 1000\u6beb\u5347=1000\u7acb\u65b9\u5398\u7c73 =1\u7acb\u65b9\u5206\u7c73\u3002
1\u6beb\u5347=1\u897f\u897f(cc)\u3002
1\u6beb\u5347\u6db2\u6001\u6c34=1\u7acb\u65b9\u5398\u7c73\u6db2\u6001\u6c34\u3002
1\u6beb\u5347\u6db2\u6001\u6c34\u57284\u6444\u6c0f\u5ea6\u65f6\u7684\u91cd\u91cf\u4e3a1\u514b\u3002
1\u6beb\u5347=1\u7acb\u65b9\u5398\u7c73\u3002
\u6269\u5c55\u8d44\u6599\uff1b
\u8d28\u91cf\u76f8\u5173\u6362\u7b97
1\u5428\uff08t\uff09= 1000\u5343\u514b(kg)= 2205\u78c5(lb)= 1.102\u77ed\u5428(sh.ton)= 0.984\u957f\u5428(long ton)
1\u516c\u62c5\uff08q\uff09=220.5\u78c5\uff08lb\uff09=100\u5343\u514b\uff08kg\uff09
1\u5343\u514b\uff08kg\uff09= 2.205\u78c5(lb)
1\u516c\u4e24\uff08hg\uff09=100\u514b\uff08g\uff09
1\u516c\u94b1\uff08dag\uff09=10\u514b\uff08g\uff09
1\u514b\uff08g\uff09=1/1000\u5343\u514b\uff08kg\uff09
1\u5206\u514b\uff08dg\uff09=100\u6beb\u514b\uff08mg\uff09=1/10\u514b\uff08g\uff09
1\u5398\u514b\uff08cg\uff09=1/100\u514b\uff08g\uff09
\u5982\u679c\u8bf4\u6c34\u521915ML\u4e3a15\u514b
\u533b\u7528\u836f\u6c3415ML\u4e5f\u4e3a15\u514b\u5de6\u53f3
\u6c7d\u6cb915\uff0a0.7=10.5\u514b
\u5982\u679c\u662f\u91d1\u5c5e\u5e94\u6309\u7acb\u65b9\u5398\u7c73\uff08\u6c5e\u9664\u5916\uff09
绛旓細CaCO3 + 2HCl=CaCl2 + H2O + CO2 100 111 44 20 m1 m2 鏍规嵁Ca鍏冪礌鍘熷瓙瀹堟亽锛1molCaCO3寰1molCaCl2,鎵浠20g鍗0.2molCaCO3寰0.2molCaCl2,鍗22.2g.杩欏氨鏄憾璐 鍙﹀锛屾牴鎹川閲忓畧鎭掞紝婧舵恫鐨勮川閲忎负100+20鍐嶅噺鍘荤敓鎴愮殑浜屾哀鍖栫⒊鐨勮川閲弇2=8.8g,鐢熸垚婧舵恫涓憾璐ㄧ殑璐ㄩ噺鍒嗘暟 =(22.2/111...
绛旓細閾剁瀛愬拰姘瀛愭槸1姣1鍙嶅簲锛岀敱纭濋吀閾剁殑鐗╄川鐨勯噺鐭ラ摱绂诲瓙0.003MOL锛屾墍浠ユ隘绂诲瓙0.003MOL銆傝岀敱棰樼洰鏉′欢鐭ヨ閲戝睘姘寲鐗╃墿璐ㄧ殑閲忎负0.001MOL锛屽垯1MOL璇ユ隘鍖栫墿鏈3MOL姘瀛愶紝鍒橫Cl3锛岄塀銆
绛旓細0.15mol鐨勯晛瀵瑰簲0.3molNaOH锛0.2mol鐨勯摑瀵瑰簲0.6mol鐨凬aOH锛屾墍浠20-200杩欎竴娈180ml婧舵恫鍚湁0.9mol鐨勬阿姘у寲閽犮傚嵆NaOH娴撳害涓5mol/L锛孌瀵 B涓～閰告祿搴︾畻娉曪細0.15mol鐨勯晛瀵瑰簲0.15mol纭吀锛0.2mol鐨勯摑瀵瑰簲0.3mol纭吀锛0-20杩欎竴娈垫秷鑰20ml鐨NaOH瀵瑰簲0.1molNaOH瀵瑰簲0.05mol纭吀锛屽嵆纭吀鎬诲拰...
绛旓細灏10ml0.2mol/L鐨鍚哀閰窰xRO4婧舵恫涓20mL015 mol/L鐨勬煇纰盡(OH)a婧舵恫娣峰悎锛屾伆濂藉畬鍏ㄥ弽搴旓紝鍒橰鍏冪礌鐨勫寲鍚堜环涓 閰窰鐗╄川鐨勯噺锛0.2*0.01*x锛0.002x OH鐗╄川鐨勯噺锛0.5*0.01*a锛0.005a 鍥犳 0.002x锛0.005a 鎵浠 x锛2.5a 鍥犳鍖栧悎浠凤紳4*2-x锛8-2.5a ...
绛旓細浣跨敤鏃,閫氬父鍙20mL鍘熸恫,鍔犺嚜鏉ユ按绋閲婅嚦1000mL,鎼呮媽鍧囧寑,鍗抽厤鍒舵垚1000mL(瀵嗗害绾︿负1g/cm³)鐢ㄤ簬绌烘皵鍠烽浘娑堟瘨銆佺幆澧冨湴闈㈡秷姣掔殑杩囨哀涔欓吀婧舵恫銆(1) 20mL15%杩囨哀涔欓吀鍘熸恫鐨勮川閲鏄灏鍏?鍏朵腑鍚繃姘т箼閰稿灏戝厠?(2) 閰嶅埗鎴愮殑1000mL杩囨哀涔欓吀婧舵恫涓,杩囨哀涔欓吀鐨勮川閲忓垎鏁版槸澶氬皯?33銆佷粖骞存槬澶,闈炲吀鍨嬭偤鐐庡湪鎴戝浗閮ㄥ垎鍦板尯閫犳垚...
绛旓細鑲畾涓嶈鍟婏紝杩欑閰嶆瘮閱嬮吀鍜屾阿姘у寲閽犳濂界瓑鐗╄川鐨勯噺瀹屽叏鍙嶅簲锛屽弽搴斿悗涓洪唻閰搁挔婧舵恫锛岄唻閰搁挔婧舵恫鍛堢⒈鎬с
绛旓細绉板彇鍦180鈩冨共鐕2-3灏忔椂锛屽喎鍗寸О閲忔亽閲嶇殑鏃犳按纰抽吀閽0.16鍏嬪乏鍙筹紝涓や唤锛屾憾瑙ｅ湪涓や釜缂栧彿鐨250姣崌閿ュ舰鐡朵腑婧惰В鍚庢祴瀹氾紱鎴栫О鍙1.5-1.6鍏嬫亽閲嶇殑鏃犳按纰抽吀閽犳憾瑙ｅ湪250姣崌鐨勫閲忕摱涓紝鐢ㄧЩ娑茬鍚稿彇25姣崌婧舵恫涓や唤锛岀疆浜庝袱涓紪鍙风殑閿ュ舰鐡朵腑锛
绛旓細6 2 MgSO4+2NaOH=Mg(OH)2+Na2SO4 1 2 1 瀹屽叏娌夋穩MgSO4鍜孉l2(SO4)3闇瑕丯aOH鐨勭墿璐ㄧ殑閲忎负锛0.2*6/2+0.15*2=0.9mol 浣撶Н涓猴細0.9*1000/5=180mL 鎵浠鐨勬渶澶у间负锛200-180=20mL a鐨勫彇鍊艰寖鍥翠负0-20mL
绛旓細纭吀閾濆寲瀛﹀紡涓篈l2锛圫O4锛3.鎵浠ユ诲叡鏈0.1*0.5=0.05mol,鎵浠ラ摑绂诲瓙鎬诲叡鏈0.05x2=0.10mol,鍏呭垎鍙嶅簲鍚庢憾娑蹭腑鐨勯摑鍏冪礌鍙兘鏄疉l3+,涔熷彲鑳芥槸Al02-,鍗虫湁涓ょ鎯呭喌,绗竴绉嶆儏鍐垫槸鐢熸垚Al锛圤H锛3,鍗虫湁0.05mol姘㈡哀鍖栭摑,姘㈡哀鏍圭瀛愬叏閮ㄤ负KOH鎻愪緵,鎵浠OH鏈0.05x3=0.15mol,鎵浠ヤ綋绉负0.15L,鍗150...
绛旓細鍏勫紵锛屾垜绠楀崐澶╁憿锛屽笇鏈涗綘鑳芥槑鐧
