---

Waiting for your responses...

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

How many cups of 90% sulfuric acid must be mixed with how many cups of 35% sulfuric acid to make 630 cups of a 56% sulfuric acid solution?

The number of cups of 90% sulfuric acid needed is cups.

The number of cups of 35% sulfuric acid needed is cups.