Question

Determine the number of moles of 1.60 liters of neon gas at STP.

A) 35.8 mol
B) 32.3 mol
C) 0.0714 mol
D) 0.0793 mol

Answer 1

Using the molar volume of a gas at STP, which is 22.4 L/mol, we can calculate the moles of neon gas in 1.60 L. The calculation gives us 0.0714 mol, so the correct answer is C) 0.0714 mol.

Step-by-step explanation:

To determine the number of moles of 1.60 liters of neon gas at STP (Standard Temperature and Pressure), one can use the known molar volume at STP, which is 22.4 liters per mole for any ideal gas. This gives us a direct proportion:

1 mol / 22.4 L = x mol / 1.60 L

Solving for x gives us the number of moles in 1.60 liters of neon gas:

x = (1 mol / 22.4 L) × 1.60 L = 0.0714 mol

Therefore, the correct answer is C) 0.0714 mol.