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When 0. 054 moles of ammonium sulfate ((nh4)2so4) are dissolved in enough water to make 667 milliliters of solution, how many ammonium ions are present?

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The number of ions of ammonium are 6.48e + 22.

What are moles?

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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