7. To determine sodium chloride, 10 cm3 of brine was placed in a flask with a capacity of 500 cm3 and brought to the mark with distilled water. For titration of 25 cm3 of the resulting solution, 24.42 cm3 of a 0.100 N solution of silver nitrate is consumed. Content of sodium chloride in brine in g/l? Support your answer with a calculation indicating the answer to the first decimal place. Indicate the method of titration, write down the reaction equations in ion-electron and molecular form.

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