10 ml of a solution containa 0.1 m NH4cL + 0.01M NH4OH. which addition would not change the ph of the solution a. adding 1 ml of water b. adding 5 ml of 0.1 M NH4Cl c. adding 5ml of 0.1 M NH4OH d. adding 10 ml of 0.1 m NH4cl ans 1 how ? thank you :)