Answer to Question #192191 in General Chemistry for Kenan

Question #192191

To neutralize 100 g of HNO3 solution, 30 cm3 of 15% NaOH solution with a density of 1.15 g / cm3 was used. Calculate the mass fraction (in%) of nitric acid in the solution!


1
Expert's answer
2021-05-17T04:20:18-0400

Let the mass of the total solution =100 gm

So mass of the becomes=15 gm {That is 15% of the mass of the solution}





Molarity of NaOH


Moles of NaOH required


Moles of needed



Mass of


Now mass fraction of %


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