1) What is the volume (in liters) of a 5.74 gram sample of N2 at STP?


2) Aluminum reacts with chlorine gas to form aluminum chloride according to the reaction below. 

2 Al (s)    +    3 Cl(g)    ⟶     2 AlCl(s)

How many grams of aluminum chloride can be produced from 3.94 L of chlorine gas at a temperature of 25 ℃ and a pressure of 1.91 atm?


3) How many grams of HNO3 are in 78.8 g of a solution that 23.1 % HNO3 by mass?


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