Answer to Question #290403 in General Chemistry for Ara

General Chemistry

Question #290403

If 11.3 mL of 0.110 M HCl is required to neutralize 25.00 mL of a barium hydroxide solution, what is the molarity of the barium hydroxide?

2 HCl + Ba(𝑂𝐻)_2→𝐵𝑎〖𝐶𝑙〗_2 + 2 𝐻_2 𝑂

Expert's answer

Correct option is A)

the titration reaction is:Ba(OH)2+2HCl⟶BaCl2,+H2OAccording to the reaction, the formula for a balanced equation isNo.ofmoleculesofBa(OH)2
VolumeofBa(OH)2×Molarity=No.ofmoleculesofHCl
VolumeofHCl×Molarity
=1
25×MolarityofBa(OH)2=2
35×0.1Therefore, molarity of barium hydroxide =0.07

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