Final answer:
The question is addressing the calculation of the average atomic mass of argon (Ar) using given percentages and isotopic masses, which is a typical high school chemistry concept related to isotopes and atomic mass calculations.
Step-by-step explanation:
The question involves performing a calculation to find the average atomic mass of argon (Ar). The calculation is done using given mass percentages and atomic masses of isotopes of argon.
The question appears to be a standard chemistry problem related to the topic of isotopic composition and average atomic mass. The clue to this is the use of atomic mass units (represented by percentages) and the isotopes of argon, which is a common topic in high school chemistry.
In the provided examples, the student would be expected to understand how to find the volume of argon using the Ideal Gas Law.
For instance, using the equation V = (nRT)/P, where n is the number of moles, R is the ideal gas constant, T is the temperature in Kelvin, and P is the pressure. This is a fundamental concept in chemistry that relates to the behavior of gases under various conditions.