Acompound is 39.97% carbon, 13.41% hydrogen, and 46.62% nitrogen. what is the empirical formula? ch4n ch2n c2h8n2 c2h4n (the numbers are subscripts)

CH4N

Explanation:

- First choice is correct. Empirical formula is .

Solution:- Mass percentages are given for C, H and N for a compound and we are asked to find out it's empirical formula. First of all we calculate the moles of each element on dividing it's percentage by it's atomic mass;

C = = 3.33

H = = 13.3

N = = 3.33

Let's divide the moles of each by the least one of them which is 3.33.

So, C = = 1

H = = 4

N = = 1

Hence, the empirical formula of the compound is . First choice is correct.

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