Ideal Gas Mass Calculator

Ideal Gas Mass Formula:

\[ Mass = \frac{P \times V \times M}{R \times T} \]

Pressure (P):

Volume (V):

m³

Molar Mass (M):

g/mol

Temperature (T):

Mass:

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is the Ideal Gas Mass Equation?

The Ideal Gas Mass equation calculates the mass of an ideal gas using the ideal gas law. It relates pressure, volume, temperature, and molar mass to determine the mass of a gas sample under specified conditions.

2. How Does the Calculator Work?

The calculator uses the Ideal Gas Mass formula:

\[ Mass = \frac{P \times V \times M}{R \times T} \]

Where:

\( P \) — Pressure in Pascals (Pa)
\( V \) — Volume in cubic meters (m³)
\( M \) — Molar mass in grams per mole (g/mol)
\( R \) — Gas constant (8.314 J/mol·K)
\( T \) — Temperature in Kelvin (K)

Explanation: The equation is derived from the ideal gas law PV = nRT, where n is the number of moles, which can be expressed as mass divided by molar mass (n = m/M).

3. Importance of Ideal Gas Law

Details: The ideal gas law is fundamental in chemistry and physics for understanding gas behavior under various conditions. It's used in engineering applications, scientific research, and industrial processes involving gases.

4. Using the Calculator

Tips: Enter pressure in Pascals, volume in cubic meters, molar mass in grams per mole, and temperature in Kelvin. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is an ideal gas?
A: An ideal gas is a theoretical gas that follows the ideal gas law exactly, with particles that have no volume and experience no intermolecular forces.

Q2: When is the ideal gas law not accurate?
A: The law becomes less accurate at high pressures and low temperatures, where real gases deviate from ideal behavior due to molecular interactions and finite molecular size.

Q3: Why use Kelvin for temperature?
A: Kelvin is an absolute temperature scale where 0 K represents absolute zero, making it appropriate for gas law calculations that involve temperature ratios.

Q4: What is the value of the gas constant R?
A: The gas constant R is approximately 8.314 J/mol·K, though it can be expressed in different units depending on the measurement system used.

Q5: Can this calculator be used for real gases?
A: This calculator provides results based on ideal gas behavior. For real gases under extreme conditions, more complex equations of state (like Van der Waals) should be used.