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chemist needs 90 ml of a 10 acid solution He has on hand a 20 acid olution and an 8 acid solution How much of

chemist needs 90 ml of a 10 acid solution He has on hand a 20 acid olution and an 8 acid solution How much of the 20 solution should ha se elect one a 75 ml O b 15 ml O c 14 ml O d 28 ml

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