室温下PH=12的NAOH溶液与水按1:99的体积比混合后溶液的PH是多少
\u53d6PH=12\u7684NaOH\u6eb6\u6db2\u4e0e\u6c34\u63091:99\u7684\u4f53\u79ef\u6bd4\u6df7\u5408\u540e\u3002\u6eb6\u6db2\u7684pH\u662f?\u7b54\u6848\uff1apH=10
\u53d6PH=12\u7684NaOH\u6eb6\u6db2\u4e0e\u6c34\u63091:99\u7684\u4f53\u79ef\u6bd4\u6df7\u5408\u540e\uff0c\u6eb6\u6db2\u4f53\u79ef\u53ef\u770b\u4f5c\u662f\u539f\u6765\u7684100\u500d\u3002\u6240\u4ee5\u6eb6\u6db2\u6d53\u5ea6\u53d8\u4e3a\u539f\u6765\u7684\u767e\u5206\u4e4b\u4e00\u3002
pH=12\u65f6c\uff08OH-)=0.01mol/L
\u6240\u4ee5\u73b0\u5728c\uff08OH-)=0.0001mol/L\uff0c\u5373pH=10
10
10啊绛旓細A锛庨唻閰镐笌姘㈡哀鍖栭挔婧舵恫鎭板ソ鍙嶅簲锛屽垯鐢熸垚浜嗛唻閰搁挔婧舵恫锛岄唻閰告牴绂诲瓙姘磋В锛屾憾娑叉樉绀虹⒈鎬э紝鏁匒閿欒锛汢锛pH=12鐨凬aOH婧舵恫涓按鐢电鐨勬阿绂诲瓙涓烘憾娑蹭腑鐨勬阿绂诲瓙娴撳害锛1脳10-12mol/L锛宲H=2鐨勯唻閰告憾娑蹭腑锛屾按鐢电鐨勬阿绂诲瓙涓烘憾娑蹭腑鐨勬阿姘ф牴绂诲瓙娴撳害锛1脳10-12mol/L锛屾墍浠ヤ袱婧舵恫涓按鐢电鐨刢锛圚+锛=1脳10-12...
绛旓細姘㈢瀛愩佹阿姘ф牴绂诲瓙锛婧舵恫鍛堢數涓э紝鏍规嵁鐢佃嵎瀹堟亽瀹氬緥锛屽垯婧舵恫涓璫(OH 锛 )=c(Na + )+c(H + )锛屾晠A姝ｇ‘锛pH=12锛屽垯婧舵恫涓璫(H + )=1.0脳10 锛12 mol路L 锛1 锛岀敱浜庢憾娑蹭腑鐨勬阿绂诲瓙鏉ヨ嚜姘寸殑鐢电锛
绛旓細瑙ｏ細1銆pH=12鐨凬aOH婧舵恫涓按鐢电鍑篊(H^+)=1*10^-12mol/L,姘寸數绂诲嚭鐨凜(OH^-)=姘寸數绂诲嚭C(H^+)=1*10^-12mol/L 2銆乸H=12鐨凬aOH婧舵恫涓瑿(H^+)=1*10^-12mol/L 鍒機(OH)^-)=Kw/C(H^+)=1*10^-2mol/L pH=1鐨凥2SO4婧舵恫涓瑿(H^+)=1*10^-1mol/L 鑻ユ墍寰楃殑娣峰悎娑蹭负涓...
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绛旓細L -1 锛岃繕鏈変箼閰稿垎瀛愬瓨鍦紝甯告俯涓媝H涓12鐨勬阿姘у寲閽犳憾娑c锛圤H - 锛=1.0脳10 -2 mol?L -1 锛屼袱鑰呯瓑浣撶Н娣峰悎鍚庯紝宸茬數绂诲嚭鐨勬阿绂诲瓙鍜屾阿姘ф牴绂诲瓙姝ｅソ涓拰锛屼箼閰稿垎瀛愮户缁數绂伙紝婧舵恫鍛堥吀鎬э紝鏁匓閿欒锛汣锛庡父娓╀笅pH涓12鐨勬阿姘у寲閽犳憾娑蹭腑锛屾憾娑蹭腑鐨勬阿绂诲瓙鍙兘鐢辨按鐢电锛pH=-lgc銆擧 + 銆曪紝璇ユ憾娑蹭腑...
绛旓細锛1锛夆憼pH=12 鐨凬aOH婧舵恫涓阿姘ф牴绂诲瓙娴撳害鏄0.01mol/L锛宲H=11鐨勬阿姘у寲閽犳憾娑蹭腑姘㈡哀鏍圭瀛愭祿搴︽槸0.001mol/L锛岃鍔犲叆姘寸殑浣撶Н鏄疺2锛孋1V1=C2锛圴1+V2锛=0.01mol/L脳0.1L=锛0.1+V2锛塋脳0.001mol/L锛孷2=0.01mol/L脳0.1L0.001mol/L=0.9L=900mL锛屾晠绛旀涓猴細900锛涒憽pH=12 鐨凬aOH...
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绛旓細c锛圕H3COO-锛夛紴c锛圢a+锛夛紴c锛圚+锛夛紴c锛圤H-锛夛紝鏁匓姝ｇ‘锛汣锛庤婧舵恫鐨勪綋绉兘涓1L锛孋H3COOH涓哄急閰革紝鍦25鈩冩椂灏pH=12鐨凬aOH婧舵恫涓巔H=2鐨凜H3COOH婧舵帠绛変綋绉贩鍚堟椂锛岄唻閰歌繃閲忥紝鍙嶅簲鍚庣殑婧舵恫涓湁n锛圢a+锛=0.01mol锛宯锛圕H3COO-锛+n锛圕H3COOH锛夛紴0.01mol锛屽垯c锛圢a+锛...
