A sodium nitrate solution has a molality of 0.50m. What is the mass percent of sodium nitrate?
Molar mass of sodium nitrate is 84.9947 g
0.50×84.9947 =42.497 g
The total mass will be 42.497+103= 1042.497
Mass percent ="\\frac{42.497}{1042.497}\u00d7100=4.08"%
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