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Raoult's Second law and the freezing temperature. Calculation of boiling point and crystallization (freezing) of non-electrolyte solutions. |

Two Buckets Puzzle Calculator This online calculator finds a solution for a variation of two buckets puzzle where you need to fill a tank with certain volume. |

Alcohol amount in the aqueous alcohol solution Defines the mass and volume concentration of ethanol in the solution of two liquids with different levels of alcohol. |

Strength of alcoholic cocktail Calculates volume fraction of alcohol in a beverage made of 3 other beverages. |

Glue Solution Calculator The Glue Solution Calculator is a handy tool that helps you calculate the exact amount of dry glue and water needed to make the glue solution of the desired strength. |

CaCl2 ppm to chlorides WPS ppm converter This online calculator converts given CaCl2 ppm concentration into chlorides water phase salinity ppm concentration |

Сomputer algebra Derives a formula from input formulas and input data to calculate remained parameters |

Molarity calculator This online calculator can calculate the molar concentration of a solute in a solution, or mass of a solute in a solution with a specific molar concentration. |

Dilution calculator and problems solver This online calculator can calculate the molar concentration (molarity) of a solute or volume of a solution before or after the dilution. |

pH of a solution calculator These online calculators calculate the pH of a solution. There are two calculators – one for either strong acid or strong base, and another for either weak acid or weak base. |

Proportions of diluted solution and diluent This online calculator calculates the proportions in which a diluted solution with a specified concentration of a substance should be mixed with a diluent with a specified concentration of a substance to obtain a required concentration. |

Mixing solutions of different concentrations The concentration of a chemical in a solution can be reduced by mixing it with a less concentrated solution of the same substance. The calculator below allows you to determine the proportions in which two solutions need to be mixed to obtain the desired concentration. |