What is the total pressure inside a flask that contains 2.15 atm helium, 4.62 atm xenon, and 0.65 atm argon?

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

An experimental procedure requires a 10 ml of acid to be dissolved

Match the mixture with the substance// i really need on this guys (it’s a pic btw)