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Answer the following chemistry problem. Report the volume to the nearest liter of nitric acid.

How many liters of 70% nitric acid must be mixed with how many liters of 20% nitric acid to make 700 liters of a 60% nitric acid solution?

The number of liters of 70% nitric acid needed is liters.

The number of liters of 20% nitric acid needed is liters.