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Sodium hydroxide, NaOH; sodium phosphate, Na3PO4; and sodium nitrate, NaNO3, are all common chemicals used in cleanser formulation. Rank the compounds in order from largest mass percent of sodium to smallest mass percent of sodium.

Respuesta :

kritter1
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. 

Hope I helped :) 

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