How many grams of salicylic acid (active ingredient) should be added to 30 g of a...

Question

Question

How many grams of salicylic acid (active ingredient) should be added to 30 g of a 2% salicylic acid ointment to make a 5% ointment?

How is this worked out? Answer should be 0.94

Answer 1

Answer #1

in o bras We have 30gms of zy salicylic acial ointment, QVALE , ) 300m ? - = 100% 2%. 2 x30= 0.6 go 100 There is 0.6 gms of s

lisgn of salicylic acid in 30gm of ointment make is 5% salicylic ointment with 30 gm weight As we already have 0.6 gm of sali

Answer 2

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