$20$ carat gold contains ...... $(\%)$ percent gold.

  • A
    $80$
  • B
    $83.33$
  • C
    $86.66$
  • D
    $96$

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In an $80 \, g$ compound,the masses of elements are $C = 24 \, g$,$H = 4 \, g$,and $O = 32 \, g$. Find its empirical formula.

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