The number of ions of ammonium are 6.48e + 22.
The mole is a SI unit of measurement that is used to calculate the quantity of any substance.
You have 0.07 mols (NH4)2SO4.
There are [tex]6.022 \times 10^2^3[/tex] present in one mole of (NH₄)₂SO₄, so for 0.054 moles, there will be
[tex]6.022 \times 10^2^3 \times 0.054 = 3.24 \times 10^2^2[/tex]
Since there are two ammonium in 1 molecule of ammonium sulfate, there will be twice ions present in an ammonium sulfate molecule.
[tex]3.24 \times 10^2^2 \times 2 = 6.48e +22[/tex]
Thus, the number of ions are 6.48e + 22.
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