500毫升百分之95的酒精，现在配70%的酒精需多少水 百分之95的酒精怎么配成百分之75的酒精呢？

95%\u7684\u9152\u7cbe500ML,\u628a\u5b83\u914d\u621070%\u7684\u9152\u7cbe,\u9700\u8981\u52a0\u591a\u5c11\u6c34?\u8ba1\u7b97\u65b9\u6cd5\u662f\u600e\u4e48\u7b97\u7684\uff1f

95%\u7684\u9152\u7cbe\u6eb6\u6db2500ml\u542b\u9152\u7cbe\u91cfv\u9152=95%\u00d7500ml=475ml

\u6dfb\u6c34\u524d\u540e\u6eb6\u6db2\u5185\u9152\u7cbe\u4e0d\u53d8\uff0c\u6240\u4ee570%\u7684\u9152\u7cbe\u6eb6\u6db2\u542b475ml\u9152\u7cbe

\u90a3\u4e48\uff0c70%\u7684\u9152\u7cbe\u4e2d\uff0c\u603b\u4f53\u79ef\u4e3a475\u00f770%\u2248678.57ml

\u90a3\u4e48\u52a0\u7684\u6c34\u7684\u4f53\u79ef\u4e3a678.57ml-500ml=178.57ml

500\u6beb\u5347\u9700\u8981\u52a0\u5165133.33ml\u7684\u84b8\u998f\u6c34\u5c31\u53ef\u4ee5\u914d\u621075%\u7684\u9152\u7cbe\u4e86\u3002
\u4ee5500\u6beb\u534795%\u9152\u7cbe\u914d\u621075%\u9152\u7cbe\u4e3a\u4f8b\uff0c500ml\u768495\uff05\u9152\u7cbe\u4e2d\u542b\u9152\u7cbe\uff1a500\u00d795\uff05\uff1d475\uff0c75%\u9152\u7cbe\u4e2d\u82e5\u6709475\u514b\u9152\u7cbe\uff0c\u5176\u603b\u91cd\u91cf\u4e3a475\u00f775\uff05\uff1d633.33ml\uff0c\u6240\u4ee5\u9700\u8981\u589e\u52a0\u6c34\u7684\u603b\u91cf\u4e3a\uff1a633.33\uff0d500\uff1d133.33ml\u3002\uff08\u84b8\u998f\u6c34\uff09

\u6269\u5c55\u8d44\u6599\uff1a
\u6ce8\u610f\u4e8b\u9879\uff1a
1\u3001\u5728\u5c4b\u5b50\u91cc\u9762\u4f7f\u7528\u9152\u7cbe\u65f6\uff0c\u5e94\u8be5\u5c06\u9152\u7cbe\u55b7\u6d12\u5728\u6bdb\u5dfe\u7b49\u5e03\u6599\u6e05\u6d01\u5de5\u5177\u4e0a\uff0c\u7136\u540e\u8f7b\u8f7b\u5730\u8fdb\u884c\u64e6\u62ed\uff0c\u4f7f\u7528\u5b8c\u4e4b\u540e\u5e94\u8be5\u7528\u5927\u91cf\u7684\u6c34\u8fdb\u884c\u51b2\u6d17\uff0c\u540c\u65f6\u4e5f\u5e94\u8be5\u8981\u505a\u597d\u5bc6\u5c01\u7684\u4fdd\u5b58\u5de5\u4f5c\uff0c\u5e15\u5b50\u5e94\u8be5\u653e\u5728\u901a\u98ce\u7684\u5730\u65b9\u667e\u5e72\u3002
2\u3001\u4e0d\u5efa\u8bae\u4f7f\u7528\u533b\u7528\u9152\u7cbe\u5bf9\u8863\u7269\u8fdb\u884c\u55b7\u6d12\u548c\u6d88\u6bd2\uff0c\u4e5f\u4e0d\u5efa\u8bae\u5728\u6709\u660e\u706b\u7684\u5730\u65b9\u6216\u8005\u5bb9\u6613\u4ea7\u751f\u9759\u7535\u7684\u5730\u65b9\u4f7f\u7528\uff0c\u5426\u5219\u5f88\u5bb9\u6613\u4ea7\u751f\u6bd4\u8f83\u4e25\u91cd\u7684\u706b\u707e\uff0c\u4e5f\u6709\u53ef\u80fd\u4f1a\u9020\u6210\u91cd\u5927\u7684\u8d22\u4ea7\u635f\u5931\uff0c\u4e5f\u6709\u53ef\u80fd\u4f1a\u5371\u53ca\u5230\u4eba\u4eec\u7684\u751f\u547d\u5b89\u5168\u3002
3\u3001\u6b63\u786e\u50a8\u5b58\u7ed3\u9152\u7cbe\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e8b\u60c5\uff0c\u5e94\u8be5\u8981\u8fdc\u79bb\u706b\u6e90\uff0c\u540c\u65f6\u4e5f\u5e94\u8be5\u8981\u653e\u5728\u513f\u7ae5\u4e0d\u6613\u89e6\u53ca\u7684\u573a\u6240\uff0c\u4e0d\u5e94\u8be5\u8981\u653e\u5728\u8f66\u91cc\u9762\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-75%\u9152\u7cbe

百分之95的酒精密度接近0.8g/ml.所以500毫升百分之95的酒精质量为400克,含酒精380克,配70%的酒精形成380/70%=543克溶液,所以需要加入143克水

500X0.95/0.7X0.3=就是所需的水

95鐨勯厭绮500姣崌鎬庝箞绋閲婃垚75
绛旓細閰掔簿绋閲,灏辨槸鎶婇珮娴撳害鐨勶紙95%锛夐厭绮撅紙鏈500姣崌鍖呰鐨勩95%閰掔簿锛,鍔犱竴瀹氫綋绉按鍚,閰嶅埗鎴愪綆娴撳害鐨勶紙渚嬪75%锛夐厭绮剧殑杩囩▼銆備緥濡傞厤鍒100姣崌 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,鐢ㄨ捀棣...

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绛旓細浠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鍏閰掔簿锛鍏舵婚噸閲忎负锛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133.33ml鐨勮捀棣忔按灏卞彲浠ラ厤鎴75%鐨勯厭绮浜嗐

鐧惧垎涔嬩節鍗佷簲閰掔簿500姣崌閰嶆垚鐧惧垎涔嬩竷鍗佷簲搴斿姞澶氬皯姘?
绛旓細鐧惧垎涔嬩節鍗佷簲閰掔簿500姣崌閰嶆垚鐧惧垎涔嬩竷鍗佷簲搴斿姞澶氬皯姘淬傝В鏋愶細500脳95%=475锛堟鍗囷級475梅75%=633鍙1/3锛堟鍗囷級633鍙1/3-500=133鍙1/3锛堟鍗囷級绛旓細搴斿姞姘133鍙1/3姣崌銆

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绛旓細瑕佸皢500姣崌鐨95%閰掔簿璋冩暣涓75%娴撳害锛岄鍏堣鐭ラ亾95%閰掔簿涓厭绮惧惈閲忎负475姣崌銆傚湪75%閰掔簿涓紝鍚屾牱鍚湁475姣崌閰掔簿鏃讹紝鍏舵婚噸閲忎細鏄633.33姣崌銆傚洜姝わ紝瑕侀厤鍒舵垚75%锛屼綘闇瑕佸姞鍏133.33姣崌鐨勮捀棣忔按浠ョ█閲婇厭绮俱傝繖鏄竴绉嶅湪甯告俯甯稿帇涓嬫槗鐕冧笖鎸ュ彂鐨勬棤鑹查忔槑娑蹭綋锛屽叿鏈夊井寮辩殑鍒烘縺鎬ф皵鍛筹紝骞朵笖鑳戒笌姘翠互浠绘剰...

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绛旓細浠婂ぉ鎴戝凡缁忚В绛旇繃杩欎釜闂浜嗐傚簲璇ユ槸浜旂櫨姣崌銆傜敤浜旂櫨姣崌涔樹互95%灏卞彲浠ュ緱鍑虹粨鏋滀簡銆

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绛旓細95%閰掔簿鍚按閲 = 500ml * (1 - 95%) = 25ml 75%鐨勯厭绮鎬婚噺 = 75%鐨勯厭绮鹃噺 / 75% = 475ml * 100 / 75 = 633ml + 1/3ml 75%鐨勯厭绮惧惈姘撮噺 = 633ml + 1/3ml - 475ml = 158ml + 1/3ml 鏀炬按閲 = 75%鐨勯厭绮惧惈姘撮噺 - 95%閰掔簿鍚按閲 = 158ml + 1/3ml - 25ml = 133ml ...

灏500姣崌娴撳害涓95%鐨勯厭绮,绋閲婃垚娴撳害涓75%鐨勬秷姣掗厭绮,闇瑕佸姞姘村灏...
绛旓細娌″憡璇変袱绉嶆祿搴︽憾娑茬殑瀵嗗害,杩欓鍋氫笉浜 涓嶈繃浣犺鏄垵涓敓鎴栬呭皬瀛︾敓鐨勮瘽 灏卞彲浠ヨ涓篨姣崌 500*95%=锛500+x锛*75

扩展阅读：95%的酒精有啥作用 ... 500毫升75%酒精价格 ... 500ml的酒精多少钱一瓶 ... 95%乙醇500ml配置75% ... 95酒精稀释成75对照表 ... 95酒精兑水成75方法 ... 一升95%的酒精的重量 ... 一斤95酒精兑多少水 ... 百分之95的酒精怎样变成75的酒精 ...