Laboratory preparation method of HCl

2009-03-23View Original

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Laboratory preparation method of HCl, thank you urgently!

Reply #22009-03-23

Main points: ①Preparation principle - metathesis of high boiling point acid and metal chloride ② Preparation equation - NaCl + H2SO4Na2SO4 + 2HCl ↑ ③ Device - separatory funnel, round bottom flask, heating ④ Test - add AgNO3 solution to produce a white precipitate, add dilute HNO3 to precipitate insoluble ⑤ Remove impurities - add concentrated sulfuric acid (remove water vapor) ⑥ Collection - upward exhaust method If you want to watch the animation, here http://www.aqyz.net/zhuye/teaweb/chemfly/tjkj/1-4-1.swf

Reply #32009-03-24

By burning chlorine and hydrogen, and then absorbing it with water, hydrochloric acid is produced! H2+CL2==HCL

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Laboratory preparation method of HCl

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