Shelby and calvin are doing a chemistry experiment. they need 5 ounces of a solution that is 65% acid and 35% distilled water. there is no pure acid in the lab, but they have two flasks of other dilute acid mixtures. flask a contains 70% acid and 30% distilled water. flask b contains 20% acid and 80% distilled water. how many ounces do they need from each flask to make their mixture. how do i make equation
