Enter the mass and molar mass of the substance into the calculator to determine the volume at STP. This calculator can also evaluate any of the variables given the others are known.
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Grams To Stp Formula
The following formula is used to calculate the volume of a substance at STP.
V = (g / M) * 22.4
Variables:
- V is the volume at STP (liters)
- g is the mass of the substance (grams)
- M is the molar mass of the substance (grams/mole)
To calculate the volume at STP, divide the mass of the substance by its molar mass, then multiply the result by 22.4. This is based on the ideal gas law, which states that one mole of any gas occupies a volume of 22.4 liters at STP.
| Mass (g) | Volume at STP (L) |
|---|---|
| 1 | 0.799 |
| 2 | 1.599 |
| 5 | 3.997 |
| 10 | 7.994 |
| 15 | 11.991 |
| 20 | 15.989 |
| 25 | 19.986 |
| 30 | 23.983 |
| 40 | 31.977 |
| 50 | 39.972 |
| 75 | 59.957 |
| 100 | 79.943 |
| 125 | 99.929 |
| 150 | 119.914 |
| 200 | 159.886 |
| 250 | 199.857 |
| 500 | 399.715 |
| 750 | 599.572 |
| 1000 | 799.429 |
| 2000 | 1598.858 |
| Assumes ideal gas at STP (Vm = 22.4 L/mol). Example shown for nitrogen (N₂), M = 28.02 g/mol. Formula: V(L) = (mass (g) / M) × 22.4. For N₂: 1 g ≈ 0.799 L. | |
What is Grams To Stp?
Grams to STP (Standard Temperature and Pressure) is a conversion used in chemistry to convert the mass of a substance (in grams) to its volume (in liters) at standard temperature and pressure conditions. This conversion is based on the molar mass of the substance and the ideal gas law, which states that one mole of any gas occupies a volume of 22.4 liters at STP. Therefore, by knowing the molar mass of a substance, one can calculate the volume it would occupy at STP.
How to Calculate Grams To Stp?
The following steps outline how to calculate the Grams To STP using the formula: V = (g / M) * 22.4
- First, determine the mass of the substance (g).
- Next, determine the molar mass of the substance (grams/mole).
- Next, use the formula V = (g / M) * 22.4 to calculate the volume at STP (liters).
- Finally, calculate the Grams To STP.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
mass of the substance (g) = 50
molar mass of the substance (grams/mole) = 25
