Calculate the [h30+] in a solution prepared by mixing 25.0ml of 1.0m hcl with 50.0ml of 0.50m koh?

Step by step guide:
HCl+KOH--> H2O+KCL

Moles of HCL= (25/1000)*1= 0.025moles
Moles of KOH= (50/1000)*0.5= 0.025moles

Therefore all the acid and alkaline has reacted to produce a neutral solution(pH7)
Therefore [H3O+] =0

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