Assuming we have 100 g of sample
30.45/MW of N 14g = 2.175
69.55/MW of O 16g = 4.34
4.34/2.185 = 2
for every 1 mole of N we have 2 moles of O
so the empirical formula would be NO2
without having the molecular weight of the entire molecule the molecular formula can not be determined with the information in your question
The answer is 2.53e-5, I unfortunately don't know how you would really show the work other than showing the division.
Yes, because beryllium is less dense and harder than oxygen.
Sulfur.
there’s no neutrons and 16 protons
