The titration of a 20.0-ml sample of an h2so4 solution of unknown concentration requires 22.60 ml of a 0.158 m koh solution to reach the equivalence point. what is the concentration of the unknown h2so4 solution ? express your answer in molarity to three significant figures.

M₁ = 0.178 M

Explanation:

In case of titration , the following formula can be used -

M₁V₁ = M₂V₂

where ,  

M₁ = concentration of acid ,  

V₁ = volume of acid,

M₂ = concentration of base ,

V₂ = volume of base,

from , the question ,  

M₁ = ?

V₁ = 20.0 mL

M₂ = 0.158 M

V₂ = 22.60 mL

Using the above formula , the molarity of the acid , can be calculated as ,  

M₁V₁ = M₂V₂

M₁ * 20.0 mL = 0.158 M * 22.60 mL

M₁ = 0.178 M

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