Answer:
5
Explanation:
It requires 20 chracters to fill this answer
Start by writing out molar mass of each component:
1) NaOH= 22.99+16+1.01 --> 40
2) Na₃PO₄= (22.99)3 + 94.97 + 64 --> 227.94
3) NaNO₃= 22.99 + 14 + 48 --> 84.99
Now compare the mass of sodium with the rest of the substances:
1) (22.99/40)100%= 57.475%
2) (68.97/227.94)/100%= 30.25%
3) (22.99/84.99)/100%= 27.05%
As seen, the ordered list is: Sodium hydroxide, sodium phosphate and sodium nitrate.
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<span>When a sulfur atom gains its valence electrons to have 8, the charge on the resulting ion is stable since sulfur atom achieved the octet rule. An octet rule is the filling of 8 electrons in an atom.</span>
