An ointment contains 12 gms of active ingredient with 100 gms of ointment base. What is the concentration of the active ingredient in the ointment? 6%, 12%, 24% or 88%​

12%

Explanation:

Since the ointment contains 12 gms of active ingredient with 100 gms of ointment base, the concentration of the active ingredient in the ointment will be:

= Content if active ingredient/Content of ointment base × 100

= 12/100 × 100.

= 12%

Therefore, the the concentration of the active ingredient in the ointment is 12%.

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