500ml95度酒精配置成75度的酒精需要加多少水 怎样把 95%浓度的酒精 配置成 75%浓度的酒精
500ml95\u5ea6\u9152\u7cbe\u914d\u7f6e\u621075\u5ea6\u7684\u9152\u7cbe\u9700\u8981\u52a0\u591a\u5c11\u6c34\uff1f\uff1f\uff1f\u7eaf\u9152\u7cbe=500\u00d70.95=475(ml)\u3002
75\u5ea6\u9152\u7cbe=475\u00f70.75=633.33(ml)\u3002
\u9700\u52a0\u6c34=633.33-500=133.33(ml)\u3002
\u4f8b\u5982\u914d\u5236100\u6beb\u5347\uff0c75%\u9152\u7cbe \uff1a\u8ba1\u7b97\u5f0f\u6c42\u53d695%\u9152\u7cbe\u7684\u4f53\u79ef V =( 75%x100ml)/95% = 78.9 ml \u3002
\u7a00\u91ca\u64cd\u4f5c\uff1a\u5728100\u6beb\u5347\u7684\u5e72\u71e5\u5e72\u51c0\u7684\u91cf\u7b52\u4e2d\u52a0\u516578.9 ml .95%\u9152\u7cbe\uff0c\u7528\u84b8\u998f\u6c34\u7a00\u91ca\u81f3100\u6beb\u5347\u7684\u523b\u7ebf\uff0c\u7136\u540e\u8f6c\u79fb\u5230\u8bd5\u5242\u74f6\u4e2d\uff0c\u8d34\u4e0a\u6807\u7b7e\u3002
\u6269\u5c55\u8d44\u6599
\u9152\u7cbe\u88ab\u4f5c\u4e3a\u5316\u5986\u54c1\u7684\u57fa\u7840\u539f\u6599\u52a0\u5165\u5316\u5986\u54c1\u4e2d\uff0c\u4e0d\u8fc7\u5316\u5986\u54c1\u4e2d\u6dfb\u52a0\u7684\u9152\u7cbe\u90fd\u662f\u7ecf\u8fc7\u7279\u6b8a\u5904\u7406\u7684\u4e13\u7528\u9152\u7cbe\u3002\u6709\u76ae\u80a4\u5b66\u4e13\u5bb6\u8ba4\u4e3a\uff0c\u9152\u7cbe\u662f\u8f83\u597d\u7684\u6d88\u6bd2\u6740\u83cc\u5242\u3001\u6e05\u6d01\u5242\u548c\u53bb\u6cb9\u6c61\u5242\uff0c\u5bf9\u4e8e\u6cb9\u6027\u808c\u80a4\u548c\u6613\u751f\u7c89\u523a\u6697\u75ae\u7684\u76ae\u80a4\u5341\u5206\u6709\u76ca\uff0c\u5408\u7406\u5730\u4f7f\u7528\u9152\u7cbe\u6709\u5229\u4e8e\u76ae\u80a4\u5065\u5eb7\u3002\u4f7f\u7528\u542b\u9152\u7cbe\u5316\u5986\u54c1\u7684\u56db\u70b9\u63d0\u793a\uff1a
1\u3001\u5e72\u6027\u76ae\u80a4\u4e0d\u5efa\u8bae\u4f7f\u7528\u542b\u6709\u9152\u7cbe\u7684\u5316\u5986\u54c1\u3002
2\u3001\u5bf9\u9152\u7cbe\u8fc7\u654f\u7684\u4eba\u6216\u654f\u611f\u6027\u808c\u80a4\u4eba\u7fa4\u4e0d\u80fd\u4f7f\u7528\u542b\u9152\u7cbe\u7684\u5316\u5986\u54c1\u3002
3\u3001\u4e0d\u8981\u4f9d\u8d56\u55c5\u89c9\u5224\u5b9a\u5316\u5986\u54c1\u4e2d\u662f\u5426\u542b\u6709\u9152\u7cbe\uff0c\u9ad8\u7ea7\u9152\u7cbe\u6c14\u5473\u67d4\u548c\uff0c\u4e0e\u914d\u65b9\u4e2d\u9999\u6599\u6563\u53d1\u7684\u9999\u6c14\u6df7\u5408\u5728\u4e00\u8d77\uff0c\u5f88\u96be\u901a\u8fc7\u55c5\u89c9\u95fb\u5230\u9152\u7cbe\u6c14\u5473\u3002
\u7a00\u91ca\u5373\u53ef\u3002\u4f8b\u5982\u53d6100mL95\u9152\u7cbe\uff0c95/0.75=126.67\uff0c\u9700\u8981\u52a026.67mL\u7684\u6c34\uff0c\u5c31\u914d\u6210\u4e8675\u5ea6\u9152\u7cbe\u3002
\u9152\u7cbe\u7a00\u91ca,\u5c31\u662f\u628a\u9ad8\u6d53\u5ea6\u7684\uff0895%\uff09\u9152\u7cbe\uff08\u6709500\u6beb\u5347\u5305\u88c5\u7684\u300195%\u9152\u7cbe\uff09,\u52a0\u4e00\u5b9a\u4f53\u79ef\u6c34\u540e,\u914d\u5236\u6210\u4f4e\u6d53\u5ea6\u7684\uff08\u4f8b\u598275%\uff09\u9152\u7cbe\u7684\u8fc7\u7a0b\u3002
\u4f8b\u5982\u914d\u5236100\u6beb\u5347 75%\u9152\u7cbe \uff1a\u8ba1\u7b97\u5f0f \u6c42\u53d695%\u9152\u7cbe\u7684\u4f53\u79ef V =( 75%x100ml)/95% = 78.9 ml \u3002
\u7a00\u91ca\u64cd\u4f5c\uff1a\u5728100 \u6beb\u5347\u7684\u5e72\u71e5\u5e72\u51c0\u7684\u91cf\u7b52\u4e2d\u52a0\u516578.9 ml .95%\u9152\u7cbe,\u7528\u84b8\u998f\u6c34\u7a00\u91ca\u81f3100\u6beb\u5347\u7684\u523b\u7ebf.\u7136\u540e\u8f6c\u79fb\u5230\u8bd5\u5242\u74f6\u4e2d,\u8d34\u4e0a\u6807\u7b7e\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u6eb6\u5242\u662f\u4e00\u79cd\u53ef\u4ee5\u6eb6\u89e3\u56fa\u4f53\uff0c\u6db2\u4f53\u6216\u6c14\u4f53\u6eb6\u8d28\u7684\u6db2\u4f53\uff0c\u7ee7\u800c\u6210\u4e3a\u6eb6\u6db2\u3002\u5728\u65e5\u5e38\u751f\u6d3b\u4e2d\u6700\u666e\u904d\u7684\u6eb6\u5242\u662f\u6c34\u3002\u800c\u6240\u8c13\u6709\u673a\u6eb6\u5242\u5373\u662f\u5305\u542b\u78b3\u539f\u5b50\u7684\u6709\u673a\u5316\u5408\u7269\u6eb6\u5242\u3002\u6eb6\u5242\u901a\u5e38\u62e5\u6709\u6bd4\u8f83\u4f4e\u7684\u6cb8\u70b9\u548c\u5bb9\u6613\u6325\u53d1\u3002\u6216\u662f\u53ef\u4ee5\u7531\u84b8\u998f\u6765\u53bb\u9664\uff0c\u4ece\u800c\u7559\u4e0b\u88ab\u6eb6\u7269\u3002
\u56e0\u6b64\uff0c\u6eb6\u5242\u4e0d\u53ef\u4ee5\u5bf9\u6eb6\u8d28\u4ea7\u751f\u5316\u5b66\u53cd\u5e94\u3002\u5b83\u4eec\u5fc5\u987b\u4e3a\u4f4e\u6d3b\u6027\u7684\u3002\u6eb6\u5242\u53ef\u4ece\u6df7\u5408\u7269\u8403\u53d6\u53ef\u6eb6\u5316\u5408\u7269\uff0c\u6700\u666e\u904d\u7684\u4f8b\u5b50\u662f\u4ee5\u70ed\u6c34\u51b2\u6ce1\u5496\u5561\u6216\u8336\u3002\u6eb6\u5242\u901a\u5e38\u662f\u900f\u660e\uff0c\u65e0\u8272\u7684\u6db2\u4f53\uff0c\u4ed6\u4eec\u5927\u591a\u90fd\u6709\u72ec\u7279\u7684\u6c14\u5473\u3002
\u6eb6\u6db2\u7684\u6d53\u5ea6\u53d6\u51b3\u4e8e\u6eb6\u89e3\u5728\u6eb6\u5242\u5185\u7684\u7269\u8d28\u7684\u591a\u5c11\u3002\u6eb6\u89e3\u5ea6\u5219\u662f\u6eb6\u5242\u5728\u7279\u5b9a\u6e29\u5ea6\u4e0b\uff0c\u53ef\u4ee5\u6eb6\u89e3\u6700\u591a\u591a\u5c11\u7269\u8d28\u3002
\u6709\u673a\u6eb6\u5242\u4e3b\u8981\u7528\u4e8e\u5e72\u6d17\uff08\u4f8b\u5982\u56db\u6c2f\u4e59\u70ef\uff09\uff0c\u4f5c\u6d82\u6599\u7a00\u91ca\u5242\uff08\u4f8b\u5982\u7532\u82ef\u3001\u9999\u8549\u6c34\u3001\u677e\u9999\u6c34\u3001\u677e\u8282\u6cb9\uff09\uff0c\u4f5c\u6d17\u7532\u6c34\u6216\u53bb\u9664\u80f6\u6c34\uff08\u4f8b\u5982\u4e19\u916e\uff0c\u918b\u9178\u7532\u916f\uff0c\u918b\u9178\u4e59\u916f\uff09\uff0c\u9664\u9508\uff08\u4f8b\u5982\u5df1\u70f7\uff09\uff0c\u4f5c\u6d17\u6d01\u7cbe\uff08\u67e0\u6aac\u7cbe\uff09\uff0c\u7528\u4e8e\u9999\u6c34\uff08\u9152\u7cbe\uff09\u8ddf\u7528\u4e8e\u5316\u5b66\u5408\u6210\u3002
\u53c2\u8003\u8d44\u6599\uff1a
\u7a00\u91ca_\u767e\u5ea6\u767e\u79d1
根据公式我们可以算出加133.3ML水
绛旓細鍙互閫氳繃鍔犲叆钂搁姘寸殑鏂瑰紡灏95%鐨閰掔簿閰嶆垚75%鐨勯厭绮俱傚叿浣撴楠ゅ涓嬶細1. 璁＄畻閰嶆瘮锛氱‘瀹氶渶瑕侀厤鍒75%閰掔簿鐨勪綋绉紝鐒跺悗鏍规嵁閰掔簿娴撳害璁＄畻鍏紡璁＄畻鍑烘墍闇95%閰掔簿鐨勪綋绉紝浠ュ強闇瑕佸姞鍏ョ殑钂搁姘翠綋绉傝绠楀叕寮忎负锛氭墍闇95%閰掔簿鐨勪綋绉 = 鎵闇75%閰掔簿鐨勪綋绉 脳 75% / 95%銆傚叾浣欓儴鍒嗕负闇瑕佹坊鍔犵殑钂搁姘翠綋绉...
绛旓細浠100ml95%閰掔簿涓渚嬶紝鍒欓渶瑕佸姞鍏26.67ml鐨勮捀棣忔按灏閰嶇疆鎴愪负75%鐨勯厭绮俱95%鐨勯厭绮炬剰鎬濆氨鏄厭绮句綋绉崰鏁翠釜婧舵恫浣撶Н鐨95%銆備緥濡100ml95%鐨勯厭绮惧氨鏄閰掔簿95ml鍔犲叆5ml钂搁姘达紝閰掔簿锛氭憾娑 = 95锛100銆傚亣璁惧湪100ml95%鐨勯厭绮句腑鍔犲叆Aml钂搁姘翠娇鍏跺彉鎴愪簡75%閰掔簿锛岄偅涔堟鏃舵憾娑叉讳綋绉负锛100+A锛塵l銆傞偅涔堥厤缃...
绛旓細鍙鍏戠偣钂搁姘寸█閲婂埌閰掔簿涓75%鍗冲彲銆備竴鑸汉澶ф閮戒細鐨勩傚锛氭湁100姣崌鐨95%鐨勯厭绮撅紝閭ｄ箞鍏朵腑閰掔簿鍗95姣崌锛屾兂绋閲鎴75%锛屽垯 95梅75鈮126.67姣崌锛75%鐨勯厭绮剧殑鎬婚噺锛夐噷闈㈠凡鏈5姣崌鐨勬按锛屽啀鍏戝叆锛126.67姣崌- 100=26.67姣崌鍗冲彲銆傝繖鏍峰緱鍒扮殑75%鐨勯厭绮剧殑鎬婚噺涓126.67姣崌锛屽叾涓閰掔簿涓95姣崌锛屾按...
绛旓細濡備綍鐢95%鐨閰掔簿閰嶅埗鎴75%鐨勯厭绮撅紵棣栧厛锛屾垜浠渶瑕佺悊瑙ｉ厤鍒堕厭绮剧殑鍩烘湰鍘熺悊銆傞厤鍒堕厭绮炬椂锛屾垜浠纭繚閰嶅埗鍚庣殑婧舵恫涓厭绮剧殑鐗╄川鐨勯噺淇濇寔涓嶅彉銆傝繖鎰忓懗鐫锛屾棤璁烘垜浠浣曟贩鍚堬紝閰掔簿鐨勬婚噺鍦ㄩ厤鍒跺墠鍚庡簲璇ユ槸涓鏍风殑銆傛帴涓嬫潵锛屾垜浠彲浠ヤ娇鐢ㄤ竴涓畝鍗曠殑鍏紡鏉ヨ绠楀浣曢厤鍒95%鐨勯厭绮炬垚涓75%鐨勯厭绮撅細95%*A = 75%*B...
绛旓細闇瑕佹寜鐓95%閰掔簿鐨勬憾娑茶繘琛岀函搴﹁绠楀悗杩涜閰嶆瘮锛屼互500姣崌95%閰掔簿閰嶆垚75%閰掔簿涓轰緥锛岃绠楁柟娉曞涓嬶細500ml鐨95锛呴厭绮句腑鍚厭绮撅細500脳95锛咃紳475锛75%閰掔簿涓嫢鏈475鍏嬮厭绮撅紝鍏舵婚噸閲忎负锛475梅75锛咃紳633.33ml锛涙墍浠ラ渶瑕佸鍔犳按鐨勬婚噺涓猴細633.33锛500锛133.33ml銆傦紙钂搁姘达級鎵浠500姣崌闇瑕佸姞鍏ョ殑灏辨槸133...
绛旓細鏂规硶姝ラ锛1. 浠1000mL鐨95%閰掔簿涓轰緥锛屾兂瑕佺█閲婃垚75%閰掔簿锛岄渶瑕佸姞鍏ユ按267mL銆傚噯澶1000mL鐨95%閰掔簿鍜岄傞噺鐨勬竻姘淬傚皢娓呮按鍔犲叆鍒伴厭绮句腑锛屽苟娣峰悎鍧囧寑鍗冲彲銆傚浜500mL鐨勯厭绮撅紝鍙渶鍔犲叆132mL鐨勬按銆傝繖鏄洜涓烘恫浣撶殑娴撳害鏄綋绉櫨鍒嗘祿搴︼紝鍥犳鎴戜滑闇瑕佹牴鎹洰鏍囨祿搴﹁绠楅渶瑕佸姞鍏ョ殑姘撮噺銆2. 鏃犳按涔欓唶瑕閰嶆垚75%閰掔簿...
绛旓細100+A)=75/100閫氳繃璁＄畻寰楀嚭鍏朵腑A灏辨槸26.67ml锛屼篃灏辨槸100姣崌95%鐨閰掔簿锛岄渶瑕佸姞26.67鐨勮捀棣忔按鎵嶈兘閰嶇疆鎴75%鐨勯厭绮俱備粈涔堟槸75%鎴95%閰掔簿锛95%鐨勯厭绮惧氨鏄厭绮惧惈閲忓崰姣旀暣涓恫浣95%锛岃75%鐨勯厭绮惧氨鏄厭绮惧惈閲忓崰姣75%鐨勬祿搴﹂厭绮俱傝鐧戒簡灏辨槸閰掔簿鍗犳恫浣撴瘮渚嬫潵璁＄畻閰掔簿娴撳害銆
绛旓細绾厭绮=500脳0.95=475(ml)銆75搴﹂厭绮=475梅0.75=633.33(ml)銆傞渶鍔犳按=633.33-500=133.33(ml)銆備緥濡傞厤鍒100姣崌锛75%閰掔簿 锛氳绠楀紡姹傚彇95%閰掔簿鐨勪綋绉 V =( 75%x100ml)/95% = 78.9 ml 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78.9 ml .95%閰掔簿锛岀敤钂搁姘寸█閲婅嚦100姣崌鐨勫埢绾...
绛旓細闇瑕佸姞133.33ml钂搁姘淬傝绠楁柟娉曞涓嬶細500ml鐨95锛閰掔簿涓惈閰掔簿锛500脳95锛咃紳475锛75%閰掔簿涓嫢鏈475鍏嬮厭绮撅紝鍏舵婚噸閲忎负锛475梅75锛咃紳633.33ml锛涙墍浠ラ渶瑕佸鍔犳按鐨勬婚噺涓猴細633.33锛500锛133.33ml銆傦紙钂搁姘达級
绛旓細濡備綍绋閲95閰掔簿 鍦ㄧ敓娲讳腑锛屾垜浠眳浣忕幆澧冭繃浜嗕竴娈垫椂闂翠箣鍚庡氨浼氭粙鐢熺粏鑿岀瓑鐗╄川锛岄暱鏃堕棿涓嬪幓瀵硅韩浣撴槸鏈変竴瀹氬嵄瀹崇殑锛屾墍浠ュ緢澶氫汉浼氱敤閰掔簿鏉ヨ繘琛屾秷姣掞紝鍍95%鐨勫尰鐢ㄩ厭绮撅紝涓鑸兘鏄笉鑳界洿鎺ョ敤浜庢秷姣掔殑锛岄渶瑕佸厬姘寸█閲鎴75搴︼紝杩欐牱鎵嶈兘瀵规垜浠殑瀹夊叏閫犳垚淇濋殰銆傝鎯冲皢娴撳害涓95鐨勯厭绮剧█閲婃垚75锛岄鍏堟垜浠鍙95%鐨勯厭绮...
