# 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

Molar concentration (Cm) | => | |

Percentage concentration (Cp) | <= | |

Molar mass (M) | <= | |

Density (d) | <= |

# Units normalization

Percentage concentration (Cp) | Show source$98\ \left[\mathrlap{\it{/}}{^0}_{\,0}\right]$ | |

Density (d) | Show source$1840\ \left[\frac{g}{dm^3}\right]$ | |

Molar mass (M) | Show source$98.079\ \left[\frac{g}{mol}\right]$ |

# Result: Molar concentration (Cm)

Summary | |||||||||||||||||

Used formula | Show source$Cm=\frac{ Cp\cdot d}{ M\cdot100}$ | ||||||||||||||||

Result | Show source$18.3848$ | ||||||||||||||||

Numerical result | Show source$18.3848\ \left[\frac{mol}{dm^3}\right]$ | ||||||||||||||||

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

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

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Units normalization | |||||||||||||||||

Show source$18.3848\ \left[\frac{mol}{dm^3}\right]$ |

# Some facts

**Concentration**determines the**amount of substance in the mixture**. The mixture is often a solution.- The
**molar concentration**is the amount of**moles of substance**per**volume unit**of the solution.

$C_m = \dfrac{n}{V}$where:

**$C_m$**- molar concentration of solution,

**$n$**- amount of moles of substance,

**$V$**- volume of solution.

- The basic unit of molar concentration is
**mole per cubic decimeter**:

$\dfrac{mol}{dm^3}$ - The
**percent concentration**(weight-based) is the amount of**grams of substance**per**100 grams of the solution**expressed as a percentage.

$C_p = \dfrac{m_s}{m_r} \times 100\%$where:

**$C_p$**- percentage concentration (weight),

**$m_s$**- mass of substance,

**$m_r$**- mass of solution.

- To convert
**percentage to molar**concentration, we can use the following formula:

$C_m = \dfrac{C_p \times d}{M \times 100}$where:

**$C_m$**- molar concentration,

**$C_p$**- percentage concentration,

**$d$**- density of solution,

**$M$**- molar mass of substance.

- To convert
**molar to percentage**concentration, we can use the following formula:

$C_p = \dfrac{C_m \times M \times 100}{d}$where:

**$C_p$**- percentage concentration,

**$C_m$**- molar concentration,

**$d$**- density of solution,

**$M$**- molar mass of substance.

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