The preparations of two aqueous solutions are described in the table below. For

Question

The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other row. You will find it useful to keep in mind that NH3 is a weak base. a acids: 0.09 mol of HNO3 is added to bases : Li 1,0 L of a 0.7 M NH3 solution other: 0.29 mol of KOH is added to | 1.0 L of a solution that is 1.5 M in both NH, and NH4Br adds: bases: other:

Explanation / Answer

1. HNO3 is an acid

NH3 is the base the reaction is

HNO3 + NH3 ==== NH4NO3

NH4NO3 will be acidic salt.

2. KOH is a strong base

NH4Br is an acidic salt

KOH + NH4Br === NH3 + KBr + H2O

KBr is neutral this is "others"

NH3 is a base

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