A particular sample of air contains 2.694 mol N2, 0.725 mol O2, and 0.032 mol Ar. What is the mole fraction of each gas in this sample?​

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature