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

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

- Glue solution strength
This online calculator can be used to find out required amount of dry glue and water to get the needed solution strength

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

- Solution of buckets and tank problem
This online calculator find a solution to the question how to fill tank with certain amount of water using two buckets of different size

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