Ageiger–muller tube is a type of gas‑filled radiation detector. it can detect particles like x‑rays, alpha particles, and beta rays (electrons). this is useful in quantizing the activity of a radioactive source or determining if an area containing radioactive material is safe to enter. assuming that you have 1 mol of gas, if a geiger counter is filled with 9846 pa of argon gas at room temperature ( t = 21.1 °c ) , what is the density, rho , of the gas in this geiger tube?

Explanation:

P =Pressure = 9846 Pa

V = Volume

n = Amount of substance = 1

T = Temperature = 21.1°C

= Density

R = Gas constant = 8.314 J/mol K

M = Molar mass of argon = 40 g/mol

From ideal gas law we have the relation

Multiply density on both sides

The density of argon gas is

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explanation: