求各位大神解答！在线等！急！ 欲配制pH=5.00的缓冲溶液,计算在50ml0.10mol...
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2 \u00d7 \u6bcd\u57fa\u91d1\u5355\u4f4d\u51c0\u503c = A\u7ea7\u6536\u76ca\u7387\u5355\u4f4d\u51c0\u503c + B\u7ea7\u6536\u76ca\u7387\u5355\u4f4d\u51c0\u503c
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1)\u8ba1\u7b97\u7f13\u51b2\u6eb6\u6db2\u4e2dAC-\u4e0eHAV\u7684\u6d53\u5ea6\u6bd4\u503c\uff1a
PH=pka+lg[AC-]/[HAC]
5.00=4.75+lg[AC-]/0.10
[AC-]/[HAC]=1.78
2)\u8ba1\u7b97\u52a0\u5165\u6c22\u6c27\u5316\u94a0\u6eb6\u6db2\u7684\u4f53\u79ef\uff1a
\u5047\u8bbe\u9700\u8981V\u6beb\u53470.10mol/L\u7684\u6c22\u6c27\u5316\u94a0\uff0c\u53cd\u5e94\u5b8c\u5168\u540e\u5269\u4f5950-V\u6beb\u53470.10mol/L\u7684\u4e59\u9178\uff0c\u5219\u6709\uff1a
V/(50-V)=1.78\u8ba1\u7b97\u5f97\uff1aV=32.0ml
3)\u9884\u914d\u7f6ePH=5.00\u7684\u7f13\u51b2\u6eb6\u6db2\uff0c\u9700\u572850ml0.10mol/L\u7684HAC\u4e2d\u52a0\u516532.0ml0.10mol/L\u7684NaOH
你好，在下认为可能是羡羡在说他的不好，所以他打喷嚏了。（民间说法，被骂了或者被人提及有时候会打喷嚏）
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