Hey. I get purple color when I add tropaeolin. Is my hci to strong? I made it from 30,%. 30 ml 30 hci and 70 ml water. It's suppose to be 10 % then?
G.Patton
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Hi. If you has taken 30 ml 30% HCl aq solution and added there 70ml water, you has got 10%. It's correct.
Are you talking about this step?
Are you talking about this step?