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Mathematics, 13.09.2019 18:30 zoeedadoll

In preparing a certain ointment, a pharmacist used 28.35 g of zinc oxide instead of the 31.1 g called for. calculate the percentage of error on the basis of the desired quantity.

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In preparing a certain ointment, a pharmacist used 28.35 g of zinc oxide instead of the 31.1 g calle...
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