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# A solution is made by mixing 30.0ml of 0.240M NH3(aq) with 30.0ml of 0.240 M hydrochloric acid. What is (Are) the principal species and their

A solution is made by mixing 30.0ml of 0.240M NH3(aq) with 30.0ml of 0.240 M hydrochloric acid. What is (Are) the principal species and their molarities in the resulting solution? What is the PH of the solution?

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principal species: for NH3 solution: NH 4 + , OH -... View the full answer

• sorry for the principal species I have given the molarity in the initial solution. However the question is for the resulting solution after reaction.The answers are:
• DrAlbert1
• Oct 01, 2018 at 9:22pm
• for HCl, it will be : H+ and Cl-. H+ molarity will be 0M and for Cl- = (0.0072 mol)/(0.06L)=0.12M
• DrAlbert1
• Oct 01, 2018 at 9:26pm
• for NH4OH: principal species are NH4+ and OH-. their molarities in resulting solution will be OH- = 0M. and NH4+ = (0.0072 mol)/(0.06L)=0.12M
• DrAlbert1
• Oct 01, 2018 at 9:28pm
• moles of HCl =moles of NH4Cl = molarity x volume = 0.030L x 0.240M= 0.0072 mol
• DrAlbert1
• Oct 01, 2018 at 9:29pm
• sorry for that but hope this helps
• DrAlbert1
• Oct 01, 2018 at 9:29pm

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