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24-05-2023
Chemistry

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To prepare zinc sulphate eye drops APF (Australian Pharmaceutical Formulary), the following ingredients are provided:
1) chlorobutol aqueous solution (0.67% w/v),
2) zinc sulphate monohydrate,
3) boric acid powder,
4) glycol aqueous solution (50% w/v)

Calculate the amount of each ingredients needed to prepare 70 mL of zinc sulphate eye drops APF. Show your working.

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