百分之九十五的乙醇稀释成百分之六十的乙醇500ml需百分之九十五的乙醇多少ml 和 水多少ml 如何将500毫升百分之九十五的酒精稀释成百分之七十的酒精
\u767e\u5206\u4e4b\u4e5d\u5341\u4e94\u7684\u4e59\u9187500ML\u52a0\u591a\u5c11\u6c34\u53ef\u4ee5\u914d\u7f6e\u767e\u5206\u4e4b\u4e03\u5341\u4e94\u7684\u4e59\u9187\uff1f0.95\u00d7500\u00f70.75-500\u2248133\u300233ml
\u53ef\u4ee5\u52a0\u84b8\u998f\u6c34178.57\u6beb\u5347\u3002
\u8ba1\u7b97\u65b9\u6cd5\u5982\u4e0b\uff1a500\u6beb\u5347\u7684\u9152\u7cbe\u4e2d\uff0c\u7eaf\u9152\u7cbe\u91cf\u4e3a 500*95%=475\u6beb\u5347\uff1b
\u90a3\u4e48\u8fd9475\u6beb\u5347\u9152\u7cbe\u5982\u679c\u88ab\u7a00\u91ca\u621070%\u7684\u9152\u7cbe\u7684\u8bdd\uff0c\u603b\u91cf\u5e94\u8be5\u662f475/70%=678.57\u6beb\u5347\uff1b
\u518d\u7528678.57-500=178.57\u6beb\u5347\uff0c\u8fd9\u5c31\u662f\u591a\u52a0\u7684\u6c34\u91cf\u3002
\u6269\u5c55\u8d44\u6599
\u4e0d\u540c\u6d53\u5ea6\u9152\u7cbe\u7684\u4f5c\u7528
1\u300195%\u7684\u9152\u7cbe\u5e38\u7528\u4e8e\u64e6\u62ed\u7d2b\u5916\u7ebf\u706f
\u8fd9\u79cd\u9152\u7cbe\u5728\u533b\u9662\u5e38\u7528\uff0c\u800c\u5728\u5bb6\u5ead\u4e2d\u5219\u53ea\u4f1a\u5c06\u5176\u7528\u4e8e\u76f8\u673a\u955c\u5934\u7684\u6e05\u6d01\u3002
2\u300175%\u7684\u9152\u7cbe\u7528\u4e8e\u6d88\u6bd2
\u8fd9\u662f\u56e0\u4e3a\uff0c\u8fc7\u9ad8\u6d53\u5ea6\u7684\u9152\u7cbe\u4f1a\u5728\u7ec6\u83cc\u8868\u9762\u5f62\u6210\u4e00\u5c42\u4fdd\u62a4\u819c\uff0c\u963b\u6b62\u5176\u8fdb\u5165\u7ec6\u83cc\u4f53\u5185\uff0c\u96be\u4ee5\u5c06\u7ec6\u83cc\u5f7b\u5e95\u6740\u6b7b\u3002\u82e5\u9152\u7cbe\u6d53\u5ea6\u8fc7\u4f4e\uff0c\u867d\u53ef\u8fdb\u5165\u7ec6\u83cc\uff0c\u4f46\u4e0d\u80fd\u5c06\u5176\u4f53\u5185\u7684\u86cb\u767d\u8d28\u51dd\u56fa\uff0c\u540c\u6837\u4e5f\u4e0d\u80fd\u5c06\u7ec6\u83cc\u5f7b\u5e95\u6740\u6b7b\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\u2014\u533b\u7528\u9152\u7cbe
乙醇：291.6除以95%
随手做的，你试试看
绛旓細閫氳繃绋閲婂彲浠ヨ鐧惧垎涔嬩節鍗佷簲閰掔簿鍙樻垚涓冨崄浜旈厭绮俱閰掔簿绋閲锛氭妸楂樻祿搴︾殑锛95%锛夐厭绮撅紙鏈500姣崌鍖呰鐨勩95%閰掔簿锛夛紝鍔犱竴瀹氫綋绉按鍚庯紝閰嶅埗鎴愪綆娴撳害鐨勶紙75%锛夐厭绮剧殑杩囩▼銆傞厤鍒100姣崌75%閰掔簿璁＄畻寮忥細姹傚彇95%閰掔簿鐨勪綋绉疺=锛75%涔樹互100姣崌锛夐櫎浠95%=78.9姣崌銆傜█閲婃搷浣滐細鍦100姣崌鐨勫共鐕ュ共鍑鐨勯噺绛掍腑鍔犲叆...
绛旓細浣撶Н鍙樺寲蹇界暐锛夈傝嫢闇瑕佺殑75%閰掔簿閲忎负Z 鍒橷+Y=Z鍗4.75Y=Z,Y=4/19Z X=15/19Z 鍒欏彲浠ヨ闇瑕佷竴瀹氫綋绉殑75%閰掔簿 闇瑕佸叾浣撶Н鐨勫崄涔濆垎涔鍗佷簲鐨95%閰掔簿 鍔犱笂鍏朵綋绉殑鍗佷節鍒嗕箣鍥涚殑姘淬傜畝鍗曟潵璇达紝瑕佸緱鍒19姣崌鐨75%閰掔簿锛岄渶95%閰掔簿15姣崌锛屾按4姣崌銆
绛旓細C1V1=C2V2鎴朇1M1=C2M2 鍗筹細绋閲鍓嶆祿搴*绋閲婂墠娑蹭綋浣撶Н锛堣川閲忥級=绋閲婂悗娴撳害*绋閲婂悗娑蹭綋浣撶Н锛堣川閲忥級鏁咃細璁惧弽搴斿悗闇瑕佹按Xg 0.95*100=0.75*锛100+X锛(80/3)g 绾︾瓑浜26.7g
绛旓細閰掔簿娴撳害绋閲婇渶瑕佸姞姘淬傞厭绮惧惈閲忔槸 100脳95%=95姣崌 璁鹃渶鍔犳按a姣崌锛岄偅涔:95梅(a+100)脳100%=33 瑙ｆ柟绋嬪緱:a=188姣崌 鍗:鍔犲叆188姣崌姘村彲浠绋閲婂埌33%銆
绛旓細灏辨槸閲忓彇B姣崌鐨凙%鐨勯厭绮撅紝鍦ㄩ噺绛掍腑绋閲婂埌A姣崌銆傛槑鐧戒簡鍚楋紵姣旀柟璇撮厤鍒70%鐨勯厭绮惧彲浠ョ敤涓嬪垪鏂规硶閰嶇疆锛1锛夊彇70ML 100%鐨勯厭绮剧█閲婂埌 100ML 寰楀埌70%鐨勯厭绮 2锛夊彇70ML 95%鐨勯厭绮剧█閲婂埌 95ML 寰楀埌70%鐨勯厭绮 3锛夊彇70ML 75%鐨勯厭绮剧█閲婂埌 75ML 寰楀埌70%鐨勯厭绮 杩欐槸涓涓**澶у鍗氬＋闈㈣瘯鑰冭瘯涓殑...
绛旓細闇瑕佸叚鐧炬鍗囩殑姘达紝鐢500姣崌鐧惧垎涔嬩節鍗佺殑涔欓唶鍙互閰嶅埗鐧惧垎涔嬩竷鍗佷簲鐨勬秷姣掗厭绮:500*90%/75%=600ml銆備互涓嬫槸涔欓唶鐨勭浉鍏充粙缁嶏細涓浗鏄笘鐣屼笂鏈鏃╅吙閰掔殑鍥藉涔嬩竴锛屾湁鐫鎮犱箙鐨勯吙閰掋侀ギ閰掔殑鍘嗗彶銆傜敳楠ㄦ枃涓氨宸茬粡鍑虹幇浜嗏滈厭鈥濆瓧鍜屼笌閰掓湁鍏崇殑鈥滈喆鈥濃滃皧鈥濃滈厜鈥濈瓑瀛椼傚叧浜庝腑鍥介厭绫荤殑璧锋簮锛屾渶鏅氬湪澶忎唬宸茶兘浜哄伐...
绛旓細70%*500/95%=368mL 鍙368mL鍔犳按鑷500mL
绛旓細璁句负V銆mL 95锛吤800锛76锛吤楋紙800锛媀锛塚锛152銆mL 鍗抽渶瑕佸姞姘152銆mL銆
绛旓細绛旀锛178.57ml 鍏辨湁绾閰掔簿 500脳0.95=475ml 閰嶆垚70锛呯殑姣斾緥鍚庡叡璁 475梅0.7=678.57ml 闇瑕佸啀娣诲姞678.57-500=178.57ml姘
绛旓細鐢500姣崌鐧惧垎涔嬩節鍗佺殑涔欓唶鍙互閰嶅埗鐧惧垎涔嬩竷鍗佷簲鐨勬秷姣掗厭绮撅細500*90%/75%=600ml X鎸95%鐨勯厭绮锛孻鎸囨按锛屽嵆鍙緱X涓嶻鐨勬瘮鍊 涓鑸琗鍙100,200,500绛夋暟鍊笺備竴鑸瘡300姣崌95%鐨勯厭绮鹃渶瑕佸姞鍏80姣崌鐨勬按锛堜綋绉彉鍖栧拷鐣ワ級銆傝嫢闇瑕佺殑75%閰掔簿閲忎负Z 鍒橷+Y=Z鍗4.75Y=Z,Y=4/19Z X=15/19Z 鍒欏彲浠ヨ...
