Answer to Question #224133 in Physical Chemistry for Aaa

Question #224133

What is the percentage of zinc oxide in an ointment prepared by mixing 200 gm of 10 % w/w ointment, 300 gm of 15% w/w ointment and 100 gm of 5 % w/w ointment

Expert's answer

Percentage of zinc oxide=45.5%

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