Why do some substances require larger additions before a color change is seen? What does this indicate about the strength of the acid base
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Ответ:
+ or - 4
Explanation:
I have attached a periodic tale with ion charges for help :) Pb is located underneatht the + or - 4 charge, so therefore it has a + or - 4 charge. The only time this doens't apply is when you have transitions metals and are given the charge in the equation.
Hope this Helps!