calculate the percentage by mass of all component in sodium trioxonitrate 4NaNo3(Na23 N14,o16

Answer 1

Note the sodium trioxonitrate is not an IUPAC approved name for NaNO3.
%Na = (atomic mass Na/molar mass NaNO3)*100 = ?
%N = (mass N/molar mass NaNO3)*100 = ?
etc.
BTW, drop the 4 in front of NaNO3.

Answer 2

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