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

How many quarts of 15% hydrochloric acid must be mixed with how many quarts of 60% hydrochloric acid to make 640 quarts of a 32% hydrochloric acid solution?


The number of quarts of 15% hydrochloric acid needed is quarts.
The number of quarts of 60% hydrochloric acid needed is quarts.