FA #1 1. How many liters of a 4.5 M solution can be made
using 15 moles of NaCl?
2. How many grams of NaCl are needed to make 800.
ml of a 0.453 M solution?

What is the temperature of one mole of helium gas at stp?

What is the mass of each element in a 324.8 sample of co2

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange