Chemistry Forum

Sorry for taking so much time to answer, i finally solved that problem

Okay thank you, could it also be due to the water, cause i repeated it with MgCl2 and Kcl and both also showed a decreasal in the ph

Well, i have the following problem, i recorded in an experiment the pH of a solution of h2o plus nacl, exactly with 16 mg of nacl in 50ml of h20, 50 mg and 138 mg in 50 ml of h2o. The proboem is that my hypothesis was that the ph wouldnt show much change, but it actually changed from 6.91 to 6.55 to...