How many grams of salicylic acid should be added to 75 g of a polyethylene glycol ointment to prepare an ointment containing 6% w/w of salicylic acid?
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Total mass = 75 g + x g Total mass = 75 g + x g ** Show more…
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Suppose the preparation of aspirin from salicylic acid and acetic anhydride (Problem $4-64$ ) gives a yield of $75.0 \%$ of aspirin. How many grams of salicylic acid must be used to prepare $50.0 \mathrm{g}$ of aspirin?
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