340. ml of a 0. 150 m solution of nh3(aq) is titrated with 0. 100 m hcl. the ph will be 7 of the solution after 350. ml of hcl has been added. (ka(nh4 ) = 5. 6 x 10-10).
The ph. of a solution gives information about the concentration of hydrogen ion in the solution or the solution is acidic or basic in nature if the given value is 7 then the solution is neutral or greater then 7 then basic and less then 7 then acidic.
Here, NH3 is a base while adding HCl to it the reaction gets neutralized and known as neutralizatio reaction and attend the ph. of value 7.
After due to the formation of hydronium ion the ph. would be less then 7.
Therefore, the ph. is 7.
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