A tank contains a mixture of helium, neon, and argon gases. If the total pressure in the tank is 490. mmHg and the partial pressures of helium and argon are 215 mmHg and 102 mmHg, respectively, what is the
Partial pressure of neon?
A)377 mmHg
B)173 mmHg
C)603 mmHg
D)0.228 mmHg
E)807 mmHg

Question

Quizplus · Accepted Answer

To find the partial pressure of neon, we can use the fact that the sum of all partial pressures must equal the total pressure. Therefore,
total pressure = partial pressure of helium + partial pressure of neon + partial pressure of argon
490 mmHg = 215 mmHg + partial pressure of neon + 102 mmHg
Simplifying this equation, we get:
partial pressure of neon = 173 mmHg. 
Therefore, the answer is B.

A Tank Contains a Mixture of Helium, Neon, and Argon