Which of the following aqueous solutions is n | vedclass

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Question

(A) solution is neutral if the total positive charge equals the total negative charge or if the concentration of $H^{+}$ ions equals the concentration

Vedclass · Accepted Answer

Contains $50 \, Ba^{2+}$ ions and $100 \, Br^{-}$ ions.

Vedclass · Answer

(A) solution is neutral if the total positive charge equals the total negative charge or if the concentration of $H^{+}$ ions equals the concentration of $OH^{-}$ ions.$(A)$ Total positive charge = $50 	imes 2 = 100$. Total negative charge = $100 	imes 1 = 100$. Since total positive charge equals total negative charge,the solution is neutral.$(B)$ Total positive charge = $50 	imes 2 = 100$. Total negative charge = $50 	imes 1 = 50$. The solution is not neutral.$(C)$ Total positive charge = $50 	imes 1 = 50$. Total negative charge = $(25 	imes 2) + (25 	imes 1) = 75$. The solution is not neutral.$(D)$ Total positive charge = $150 	imes 3 = 450$. Total negative charge = $100 	imes 3 = 300$. The solution is not neutral.

Which of the following aqueous solutions is neutral?

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