Waiting for your responses... Answer the following chemistry problem. Report the volume to the nearest milliliter of carbonic acid. How many milliliters of 90% carbonic acid must be mixed with how many milliliters of 50% carbonic acid to make 780 milliliters of a 78% carbonic acid solution? The number of milliliters of 90% carbonic acid needed is milliliters. The number of milliliters of 50% carbonic acid needed is milliliters.

How many milliliters of 90% carbonic acid must be mixed with how many milliliters of 50% carbonic acid to make 780 milliliters of a 78% carbonic acid solution?