23吨95℃酒精加多少水达到75℃酒精？ 我想问一下什么叫做学科素养，学科素养是不是学科思维的定义，比...
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082067 \u5e94\u7528\u5316\u5b66\u4e13\u4e1a\u82f1\u8bed\uff08\u4e0b\uff09 \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082068 \u6709\u673a\u5408\u6210A \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082070 \u6709\u673a\u5316\u5b66\u2161 \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082076 \u6709\u673a\u5316\u5b66A1 \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082077 \u6709\u673a\u5316\u5b66A2 \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082072 \u6709\u673a\u5316\u5b66B \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082073 \u6709\u673a\u5316\u5b66C \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082098 \u6709\u673a\u5316\u5b66D \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082074 \u4e2d\u5b66\u5316\u5b66\u6559\u5b66\u6280\u80fd\u8bad\u7ec3 \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082083 \u9ad8\u5206\u5b50\u5316\u5b66\u4e0e\u7269\u7406B \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082020 \u5316\u5de5\u8bbe\u5907\u673a\u68b0\u57fa\u7840 \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
082019 \u5316\u5de5\u8fc7\u7a0b\u5206\u6790\u4e0e\u5408\u6210 \u5316\u5b66\u5de5\u7a0b\u5b66\u9662
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\u5b66\u79d1\u57fa\u672c\u54c1\u8d28\uff1a\u5b66\u79d1\u57fa\u672c\u54c1\u8d28\u7684\u57f9\u517b\u5fc5\u987b\u4f53\u73b0\u5b66\u79d1\u7684\u7279\u70b9\uff0c\u5e76\u5c06\u57fa\u672c\u9053\u5fb7\u54c1\u8d28\u8981\u6c42\u5177\u4f53\u5316\u3002\u7ed3\u5408\u5b66\u79d1\u5b66\u4e60\u548c\u5b9e\u8df5\u6d3b\u52a8\uff0c\u5e2e\u52a9\u5b66\u751f\u638c\u63e1\u4f53\u73b0\u5b66\u79d1\u7279\u70b9\u7684\u9053\u5fb7\u8ba4\u77e5\uff0c\u5728\u6b64\u57fa\u7840\u4e0a\u57f9\u517b\u5b66\u751f\u7684\u9053\u5fb7\u60c5\u611f\u548c\u9053\u5fb7\u884c\u4e3a\u503e\u5411\u3002
在95%的酒精中加入一定比例的蒸馏水就能配制成75%的酒精。
以100ml95%酒精为例，则需要加入26.67ml的蒸馏水就配置成为75%的酒精。
95%的酒精意思就是酒精体积占整个溶液体积的95%。例如100ml95%的酒精就是酒精95ml加入5ml蒸馏水，酒精：溶液 = 95：100。
假设在100ml95%的酒精中加入Aml蒸馏水使其变成了75%酒精，那么此时溶液总体积为（100+A）ml。
那么配置75%酒精需要满足：95 /（A+100）=75/100
求出：A = 26.67m
绛旓細95%鐨閰掔簿瀵嗗害鏄綋绉槸0.75鍚/绔嬫柟绫筹紝75%鐨勯厭绮惧瘑搴︽槸0.85鍚/绔嬫柟绫炽23鍚95%閰掔簿浣撶Н鏄30.667绔嬫柟绫炽傚厬鎴75%鐨勯厭绮鹃渶鍔犳按30.667*0.2667=8.179鍚ㄦ按銆傚湪95%鐨勯厭绮句腑鍔犲叆涓瀹氭瘮渚嬬殑钂搁姘村氨鑳介厤鍒舵垚75%鐨勯厭绮俱備互100ml95%閰掔簿涓轰緥锛屽垯闇瑕佸姞鍏26.67ml鐨勮捀棣忔按灏遍厤缃垚涓75%鐨勯厭绮俱95%鐨勯厭...
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绛旓細68 銆佺敓娲荤獚闂:鐨瀷闇夋枒娓呴櫎娉:鐨瀷鏀句箙浜嗗彂闇夋椂,鍙敤杞竷铇閰掔簿鍔犳按(1:1)婧舵恫杩涜鎿 鎷,鐒跺悗鏀惧湪閫氶澶勬櫨骞层傚鍙戦湁鐨勭毊鍖呬篃鍙姝ゅ鐞嗐 69 銆佺敓娲荤獚闂:宸у埗鑲夐:灏嗚鍋氶鐨勮倝鏀惧叆鍐扮鍐峰喕,寰呭畬鍏ㄥ喕瀹炲悗鍙栧嚭,鐢ㄦ摝鑿滄澘鎿﹁倝, 寰堝鏄撳氨鑳芥摝鎶婂喕鑲夋垚缁嗘潯,涔嬪悗,鍙渶鐢ㄥ垁鍓佸嚑涓嬪氨鍙互浜嗐 70 銆佺敓娲荤獚闂:鐨...
绛旓細鍩瑰吇鏂欒繘妫氶摵鍦ㄥ簥闈㈡椂,鏂欏惈姘撮噺鎺屾彙鍦63%~65%,鐢ㄦ墜鎹忔湁1婊存按涓哄疁,鏂檖H鍊7~7.5,鏃犳皑鍛炽傞摵鏂欏帤搴﹀湪13~17鍘樼背,杈归摵杈规媽,鍔涘害鍧囧寑銆傛枡閾哄ソ鍚,搴旂敤娓╁害璁℃祴瀹氭枡娓,鑻ユ枡娓╁湪28鈩浠ヤ笅鏄佽皨娣辩畻鍙互鎾銆傛挱绉嶅浣跨敤鐝绮掔,姣忕摱绉嶅彲鎾0.7~0.8骞虫柟绫炽傛挱鍓嶆搷浣滀汉鍛樺皢鎵嬨佸伐鍏峰拰鑿岀鐡剁敤0.1%鐨勯珮閿伴吀閽...
