chemestry grd 11

indigo C16H10N2O2 (numbers are suppose to b as a subscript) is the common name of the dye that gives blue jeans their characteristic colour. Calculate the mass of oxygenin 25.0g og indigo. show your work.

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asked by celina
  1. How many moles indigo do you have?
    25.0g/molar mass indigo = moles indigo.
    You have two atoms/mol indigo and each atom has a mass of 16 grams.

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    posted by DrBob222

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