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About Rock

Member Since September 11, 2008
18 years old

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Emperical Formula/ Molecular Formula

Indigo dye contains the elements C, H, N and O. It is 73.3% C, 3.85% H and 10.7% N by mass. What is its empirical formula? What ...
Submitted by Rock 3 months ago
  • viewed 78 times

Last answer posted 1 month ago by Doc Brown


Chemistry-Mass Percent

Determine the mass percent of oxygen in barium phosphate. Express your answer to two decimal places.
Submitted by Rock 3 months ago
  • viewed 4 times



Chemistry...

How many oxygen atoms are in 8.00 g of Al2(SO4)3? Express your answer using scientific notation with two decimal places.
Submitted by Rock 3 months ago
  • viewed 4 times


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