# Beta version

BETA TEST VERSION OF THIS ITEM

This online calculator is currently under heavy development. It may or it may NOT work correctly.

You CAN try to use it. You CAN even get the proper results.

However, please VERIFY all results on your own, as the level of completion of this item is NOT CONFIRMED.

Feel free to send any ideas and comments !

This online calculator is currently under heavy development. It may or it may NOT work correctly.

You CAN try to use it. You CAN even get the proper results.

However, please VERIFY all results on your own, as the level of completion of this item is NOT CONFIRMED.

Feel free to send any ideas and comments !

# What do you want to calculate today?

Choose a scenario that best fits your needs |

# Calculations data - enter values, that you know here

Number of moles (n) | => | |

Volume (V) | <= | |

Molar volume (Vm) | <= |

# Units normalization

Volume (V) | Show source$22.41\ \left[dm^3\right]$ | |

Molar volume (Vm) | Show source$22.41\ \left[\frac{dm^3}{mol}\right]$ |

# Result: Number of moles (n)

Summary | ||||||||

Used formula | Show source$n=\frac{\mathrm{V}}{ Vm}$ | |||||||

Result | Show source$1$ | |||||||

Numerical result | Show source$1\ \left[mol\right]$ | |||||||

Result step by step | ||||||||

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Numerical result step by step | ||||||||

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Units normalization | ||||||||

Show source$1\ \left[mol\right]$ |

# Some facts

**Avogadro's law**states that under the same physical conditions, i.e. at the same temperature and pressure,**equal volumes**of different gases contain**the same number of particles**(moles):

$\frac{V_1}{n_1} =\frac{V_2}{n_2}$where:

**$V_1$**- volume of first gas,

**$V_2$**- volume of second gas,

**$n_1$**- number of moles of first gas,

**$n_2$**- number of moles of second gas.

- Equivalently, we can say that
**volume of gas**is**directly proportional to the number of particles**(moles).

$V \propto n$**$V$**- volume of gas,

**$n$**- number of moles of gas

- The Avogadra law is a
**empirical**, i.e. it was formulated on the basis of experiments. - The name of the law comes from its discoverer
**Amadeo Avogadro**. - At the time Avogadro formulated his law,
**atomistic theory**has not yet been proven and widely accepted. For this reason, we sometimes talk about**Avogadro's hypothesis**. - More general law covering also Avogadro's law is Clapeyron's equation. It cobines not only the number of moles and volume, but also
**temperature**and**pressure**in one equation.

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