[Histonet] 4 N HCL ?

[tanapon toommanee]

Refer to 89 ml HCl + Distilled water to make 1 liter solution .That mean 1N HCl .I would like to know
 
1)       This is the real  used in every acid
2)       The meaning of 89 ml. HCl What are the ml number for the other acid that formed 1N Concentrate.
3)       What are the other concentrate unit that used in general ?


 
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