化学必采纳，第二图中，20ml怎么知道的，从哪里来的
\u5316\u5b66\u9ad8\u624b\u6765\u3002\u53d1\u56fe\uff0c\u7b80\u5355\u5c312\u9898\u9009C,HI\u5206\u4e24\u90e8\u5206\uff0c\u4e00\u90e8\u5206\u7528\u4e8e\uff082\uff09\u65b9\u7a0b\u5f0f\u7684\u53cd\u5e94\uff0c\u53ef\u7b97\u51fa\u662f1mol/L\uff0c\u53e6\u4e00\u90e8\u5206\u6ca1\u53c2\u52a0\uff082\uff09\u4e2d\u7684\u53cd\u5e94\uff0c\u662f\u5269\u4f59\u4ea7\u7269\uff0c\u56e0\u4e3aNH3\u4e0eHI\u4e00\u6837\u591a\uff0c\u6545NH3\u6d53\u5ea6\u4e3a5mol/L\uff0c\u7b97\u5f97\u5e73\u8861\u5e38\u6570\u4e3a4\u00d75=20
(1)10\u338f\u00d798\uff05=9.8\u338f
(2) w(N)=28\u00f7\uff0828+4+16\u00d73\uff09\u00d7100\uff05=35\uff05
\uff083\uff099.8\u338f\u00d735\uff05=3.43\u338f
\uff084\uff093.43\u338f\u00f710\u338f\u00d7100\uff05=34.3\uff05
酸碱共50，酸30，碱20 V1+V2=50
v1+v2不是恒等于50么
v1=30,v2不就等于20了么
绛旓細瑙ｏ細妯潗鏍嘨(HA)=20ml鏃讹紝HA涓嶯aOH鐨勭墿璐ㄧ殑閲忕浉绛锛屼袱鐗╄川鎭板ソ瀹屽叏鍙嶅簲鐢熸垚NaA涓嶩2O锛屼絾婧舵恫鍛堢⒈鎬э紝璇存槑HA鏄急閰搞侫 鍥犱负HA鏄急閰革紝寮遍吀鏄儴鍒嗙數绂伙紝鎵浠ユ阿绂诲瓙娴撳害灏忎簬0.1mol/L銆侭 PH=7鏃讹紙甯告俯锛夛紝婧舵恫鍛堜腑鎬э紝鏈塩(H+) = c(OH-) =10^-7mol/L锛屾牴鎹數鑽峰畧鎭掞紝鏈夛細 c(H+) + ...
绛旓細3锛孉姝ｇ‘锛孒2A鏄簩鍏冮吀锛屽鏋滄槸寮洪吀锛岄偅鍔犲叆20mlNaOH鏄畬鍏ㄤ腑鍜岋紝婧舵恫鍛堜腑鎬э紝鍥剧ず鍛堢⒈鎬э紝璇存槑H2A涓哄急閰革紝鍥剧ず鍔10ml鏃跺畬鍏ㄧ敓鎴怤aHA锛屾憾娑插憟閰告э紝NaHA閰告a2A鎴愮⒈鎬э紝鎵浠H=7鏃跺悓鏃跺惈鏈夎繖涓涓侭姝ｇ‘锛孨aHA婧舵恫閰告э紝璇存槑HA-鐨勭數绂诲ぇ浜庢按瑙ｏ紝鐢电鍗犱富瀵硷紝鐢电鍑篐+鎶戝埗姘寸殑鐢电锛岃孨a2A鍙湁姘磋В锛屾按瑙...
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