罗盘指南针多少钱:请问焦磷酸钾含磷、钾各多少?谢谢
来源:百度文库 编辑:高考问答 时间:2024/07/05 10:58:22
焦磷酸钾K4P2O7
含钾量:
(39*4)/(39*4+31*2+16*7)*100%=47.3%
含磷量:
(31*2)/(39*4+31*2+16*7)*100%=18.8%
焦磷酸钾K4P2O7
含钾量:
(39*4)/(39*4+31*2+16*7)*100%=47.3%
含磷量:
(31*2)/(39*4+31*2+16*7)*100%=18.8%