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

How many drams of 75% sulfuric acid must be mixed with how many drams of 45% sulfuric acid to make 650 drams of a 50% sulfuric acid solution?

The number of drams of 75% sulfuric acid needed is drams.

The number of drams of 45% sulfuric acid needed is drams.