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

How many milliliters of 50% nitric acid must be mixed with how many milliliters of 80% nitric acid to make 520 milliliters of a 63% nitric acid solution?


The number of milliliters of 50% nitric acid needed is milliliters.
The number of milliliters of 80% nitric acid needed is milliliters.