Chemistry, 02.09.2020 04:01 zurfluhe

Nitrogen when combined with oxygen can form various oxides. 3.5g of nitrogen gas is burned in oxygen to form 11.5 g of an oxide of nitrogen. a) Determine the mass of oxygen burned. (HINT: the oxide contains only nitrogen and oxygen) b) Using data from the experiment find the percent of nitrogen by mass in the oxide. I'm stuck on b)! Help! :(

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Nitrogen when combined with oxygen can form various oxides. 3.5g of nitrogen gas is burned in oxygen...