46. When titrating 100 ml of hydrochloric acid with a solution of sodium hydroxide with a concentration of 1.045 N, the following electrical conductivity values were obtained:
Volume of NaOH, ml 0 1 2 3 4 5
χ*102 Ohm-1m-1 3.90 2.84 1.77 1.24 2.07 2.94
Determine the concentration of the acid in mol/l.

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