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Chemistry
20.10.2021 23:32
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What is the Iconic bond of naf

What is the Iconic bond of naf
What is the Iconic bond of naf
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Leftie500
Leftie500
4,5(7 marks)

The Ksp of the magnesium phosphate is 2.53x10⁻¹⁰

Explanation:

The molar mass of magnesium phosphate is:

MMmagnesium-phosphate=(3*MMMg)+(2*MMP)+(8*MMO)=(3*24.305)+(2*30.97)+(8*15.99)=262.775g/mol

The number of moles is:

n_{magnesium-phosphate} =\frac{1.24}{262.775} =4.72x10^{-3} moles

The molarity is:

M=\frac{4.72x10^{-3} }{1} =4.72x10^{-3} M

The dissociation of magnesium phosphate is:

Mg₃(PO₄)₂ = 3Mg²⁺ + 2PO₄³⁻

The Ks is:

K_{s} =[Mg^{2+}]^{3}[PO_{4}^{3-} ]^{2} =(3s)^{3} (2s)^{2}

Where

s = solubility of ions = 4.72x10⁻³

Replacing

K_{s} =(3*4.72x10^{-3} )^{3} (2*4.72x10^{-3} )^{2} =2.53x10^{-10}

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