6. Calculate the empirical formula: C=58.5% H=4.1% N=11.4% and 0-26.0%.

Question

Question

Answer 1

Answer #1

Element Mass Number of moles Division by small number Nearest whole number

C 58.5 58.5/12 = 4.875 4.875 / 0.814 = 5.99 6

H 4.1 4.1 / 1 = 4.1 4.1 / 0.814 = 5.04 5

N 11.4 11.4 / 14 = 0.814 0.814 / 0.814 = 1 1

O 26.0 26.0 / 16 = 1.625 1.625 / 0.814 = 1.996 2

Therefore,

The emperical formula = C₆H₅NO₂

Answer 2

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