Asked by Eva
When 0.07 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 254 milliliters of solution, how many ammonium ions are present?
Answers
Answered by
DrBob222
You have 0.07 mols (NH4)2SO4.
There are 6.02E23 molecules in 1 mol (NH4)2SO4 so there are
6.02E23 x 0.07 = ? molecules (NH4)2SO4 in that 0.07 mols.
Since there are two NH4^+ in 1 molecule of (NH4)2SO4, there must be twice the number of NH4^+ ions as there are (NH4)2SO4 molecules.
There are 6.02E23 molecules in 1 mol (NH4)2SO4 so there are
6.02E23 x 0.07 = ? molecules (NH4)2SO4 in that 0.07 mols.
Since there are two NH4^+ in 1 molecule of (NH4)2SO4, there must be twice the number of NH4^+ ions as there are (NH4)2SO4 molecules.
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