A weak acid titration with a strong base is somewhat different from the titration strong acid by strong base. In the titration of 25 ml of 0.1 mol / L NH3 by 0.1 HCl
mol / L, calculate:
a) the pH before the titration starts
b) the pH at the midpoint of the titration
c) pH without equivalence point
Given away.
Ka: NH4+ = 5.6 x 10^-10

gas

explanation:

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catya that's not even a b or c

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.