A gas mixture has a total pressure of 0.73atm and consists of He and Ne. If the partial pressure of He in the mixture is 0.38atm, what is the partial pressure of the Ne in the mixture? Be sure your answer has the correct number of significant figures.
Question
A gas mixture has a total pressure of 0.73atm and consists of He and Ne. If the partial pressure of He in the mixture is 0.38atm, what is the partial pressure of the Ne in the mixture? Be sure your answer has the correct number of significant figures.
Solution
The partial pressure of a gas in a mixture can be found by subtracting the partial pressures of the other gases from the total pressure. In this case, we know the total pressure (0.73 atm) and the partial pressure of He (0.38 atm).
Step 1: Write down the given values. Total pressure (P_total) = 0.73 atm Partial pressure of He (P_He) = 0.38 atm
Step 2: Use the formula for total pressure. The total pressure is the sum of the partial pressures of all the gases in the mixture. So, P_total = P_He + P_Ne
Step 3: Solve for the partial pressure of Ne (P_Ne). Substitute the given values into the equation: 0.73 atm = 0.38 atm + P_Ne Then, solve for P_Ne: P_Ne = 0.73 atm - 0.38 atm = 0.35 atm
So, the partial pressure of Ne in the mixture is 0.35 atm.
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