Chapter 10, Problem 112AE

Interpretation Introduction

Interpretation:

The mass of the glass vessel fitted with the stopcock when empty, when filled with argon gas and when filled with the mixture of argon and neon gas is given. The mole percent of neon gas is to be determined.

Concept introduction: The number of moles of gas inside the vessel is calculated using the mass and molar mass of argon.

$\text{Number}\text{of}\text{moles}=\frac{\text{Mass}}{\text{Molar}\text{mass}}$

To determine: The mole percent of neon in the mixture of $\text{Ne}$ and $\text{Ar}$ .