计算题: 用邻苯二甲酸氢钾配制C.OD为500mg/L的溶液1000ml,问需要称邻苯二甲酸氢钾多少克?(KHC8H4O4分子量为204.23)
正确答案:
2KHC.8H4O4+15O2=K2O+16C.O2+5H2O
![](https://www.274949.com/images/2020-03/24/auksh8uy.jpg)
X=425.4mg=0.4254g
![](https://www.274949.com/images/2020-03/24/auksh8uy.jpg)
X=425.4mg=0.4254g
答案解析:有
![](/editor/images/201705/qrcode_for_gh_573e2a458573_258.jpg)
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计算题: 用邻苯二甲酸氢钾配制C.OD为500mg/L的溶液1000ml,问需要称邻苯二甲酸氢钾多少克?(KHC8H4O4分子量为204.23)
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