lannabw7503 lannabw7503
  • 08-03-2024
  • Chemistry
contestada

Calculate the final concentration of salicylic acid when mixing Whitfield's Ointment (contains 3% salicylic acid), 30g, with Lassar's Paste (contains 2% salicylic acid), 60g, and White soft paraffin to a total of 200g.
A) 1.5%
B) 2%
C) 2.5%
D) 3%
E) 3.5%

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