question archive Sodium Phosphate is an ionic compound formed by two ions, Sodium ##Na^+## and Phosphate ##PO_4^-3##
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Sodium Phosphate is an ionic compound formed by two ions, Sodium ##Na^+## and Phosphate ##PO_4^-3##.
In order for these two to bond the charges must be equal and opposite. Therefore, it will take three +1 sodium ions to balance the one -3 phosphate ion. This will make the formula for Sodium Phosphate ##Na_3PO_4##.
I hope this was helpful. SMARTERTEACHER