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Ответ:

masaiyahrhemanow

09.02.2022

Chemistry

The concentration of the hydrochloric acid is 0.145 M.

Explanation: $HCl+NaOH\rightarrow NaOH+H_2O$

According to given balanced equation, 1mole of HCL require 1 mole of NaOH.

Using Molarity equation:

M_1V_1=M_2V_2

M_1 = Molarity of base= 0.25 M

V_1 = volume of base= 14.50 ml

M_2 = Molarity of acid = ? M

V_2 = volume of acid = 25 ml

$0.25\times 14.50=M_2\times 25$

M_2=0.145M

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