---

Waiting for your responses...

Answer the following chemistry problem. Report the volume to the nearest quart of hydrochloric acid.

How many quarts of 60% hydrochloric acid must be mixed with how many quarts of 80% hydrochloric acid to make 780 quarts of a 72% hydrochloric acid solution?

The number of quarts of 60% hydrochloric acid needed is quarts.

The number of quarts of 80% hydrochloric acid needed is quarts.