Question

Calculate the molarity of 50 mL HC1 when titration gave end point at 42 mL with 0.1 M sodium hydroxide.​

Answer 1

Answer:

the titration reaction is:

Ba(OH)

2

+2HCl⟶BaCl

2

,+H

2

O

According to the reaction, the formula for a balanced equation is

No.ofmoleculesofBa(OH)

2

VolumeofBa(OH)

2

×Molarity

=

No.ofmoleculesofHCl

VolumeofHCl×Molarity

=

1

25×MolarityofBa(OH)

2

=

2

35×0.1

Therefore, molarity of barium hydroxide =0.07

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