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

How many quarts of 70% sulfuric acid must be mixed with how many quarts of 40% sulfuric acid to make 640 quarts of a 52% sulfuric acid solution?

The number of quarts of 70% sulfuric acid needed is quarts.

The number of quarts of 40% sulfuric acid needed is quarts.