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Answer the following chemistry problem. Report the volume to the nearest dram of hydrochloric acid.

How many drams of 60% hydrochloric acid must be mixed with how many drams of 75% hydrochloric acid to make 750 drams of a 69% hydrochloric acid solution?


The number of drams of 60% hydrochloric acid needed is drams.
The number of drams of 75% hydrochloric acid needed is drams.