Respuesta :
Answer:4.5 moles of sulfate ions are present in 1.5 moles of [tex]Al_2(SO_4)_3[/tex].
Explanation:
[tex]Al_2(SO_4)_3\rightarrow 2Al^{3+}+3SO_{4}^{2-}[/tex]
1 mol of [tex]Al_2(SO_4)_3[/tex] gives 3 moles of sulfate ions.
Moles of sulfate ion in 1.5 moles : [tex]1.5\times 3=4.5 moles [/tex]
4.5 moles of sulfate ions are present in 1.5 moles of [tex]Al_2(SO_4)_3[/tex].
Moles are the fraction of the chemical unit of the atoms, molecules, etc. The moles of sulfate ion present in 1.5 moles of aluminum sulfate is 4.5 moles.
What are moles?
Moles are the ratio of the mass of the substance to that of the molar mass of the substance. Moles are given in mol.
The reaction can be shown as:
[tex]\rm Al_{2}(SO_{4})_{3} \rightarrow 2Al^{3+} + 3SO_{4}^{2-}[/tex]
From the reaction, it can be concluded that 1 mole of aluminum sulfate will give 3 moles of sulfate ions.
The moles of sulfate ions in 1.5 moles of aluminum sulfate will be, [tex]1.5 \times 3 = 4.5 \;\rm moles.[/tex]
Therefore, 4.5 moles of sulfate ions are present in aluminum sulfate.
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