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∙ 7y ago7
Jordon Hart
To decrease the freezing point of water by 2.5 degrees Celsius, you would need to dissolve approximately 37.5 grams of sugar in 300 grams of water. This is calculated based on the colligative property that states freezing point depression is directly proportional to the molality of the solute in the solution.
The density of water at 53 degrees Celsius is approximately 0.9769 grams per cubic centimeter.
The density of pure water at 97 degrees Celsius is approximately 0.971 grams per cubic centimeter. At this temperature, water is less dense compared to at 4 degrees Celsius (which is the temperature at which water has its highest density).
Water boils at 100 degrees Celsius and freezes at 0 degrees Celsius.
Water boils at 100 degrees Celsius at sea level. If water is boiling at 130 degrees Celsius, it might be due to the presence of impurities or changes in atmospheric pressure, which can affect the boiling point of water.
Approximately 39 grams of sodium chloride can be dissolved in 100 grams of water at 95 degrees Celsius.
Approximately 200 grams of KNO3 can be dissolved in 100 ml of water at 50 degrees Celsius.
Approximately 204 grams of sugar can be dissolved in 250 g of water at 20 degrees Celsius. This is the saturation point for sugar dissolving in water at this temperature.
Approximately 73.2 grams of copper sulphate can be dissolved in 50 grams of water at 60 degrees Celsius. This is the maximum amount of copper sulphate that the water can hold in a saturated solution at that temperature.
Approximately 357 grams of sodium chloride can be dissolved in 2 liters of water at 20 degrees Celsius.
The enthalpy of dissolution is 3,87 kJ/mol for NaCl.
To decrease the freezing point of water by 2.5 degrees Celsius, you would need to dissolve approximately 37.5 grams of sugar in 300 grams of water. This is calculated based on the colligative property that states freezing point depression is directly proportional to the molality of the solute in the solution.
This would be considered a saturated solution if all 25g of KCl are completely dissolved in the 100g of water at 30 degrees Celsius.
The solubility of ammonium chloride at 60 degrees Celsius is approximately 39.2 grams per 100 grams of water.
Density of ice at 0 degrees Celsius is 916.8 grams per cubic centimeter or milliliter. The density of fresh water is dependant on the temperature: At 3.98 degrees Celsius the density is 0.999975 grams per milliliter. At 100 degrees Celsius the density is 0.958.35 grams per milliliter.
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The solubility of potassium chloride at 25 degrees Celsius is approximately 34 grams per 100 grams of water.