Waiting for your responses... Answer the following chemistry problem. Report the volume to the nearest cup of nitric acid. How many cups of 85% nitric acid must be mixed with how many cups of 35% nitric acid to make 780 cups of a 72% nitric acid solution? The number of cups of 85% nitric acid needed is cups. The number of cups of 35% nitric acid needed is cups.

How many cups of 85% nitric acid must be mixed with how many cups of 35% nitric acid to make 780 cups of a 72% nitric acid solution?