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How much sodium phosphate must be added to 1kg of water to lower the freezing point of water by 1.3 degree celsius?
simply use the formula DeltaTf=iKfm i= van't hoff number; Na3PO4 (sodium phosphate) van't hoff number is 4 m= molality moles of solute/kg of solvent in this case H2O Kf= the given number for Na3PO4 (sodium phosphate) is is ???*C/m just multiply those three things and that gives you the freezing point depression so we take the normal freezing point of water 0*C and we subtract the number we just calculated and that will give us the freezing point
Sodium chloride is used to make freezing mixtures used by ice-cream vendors?
Yes, sodium chloride is commonly used in making freezing mixtures for ice cream because it can lower the freezing point of water, allowing the mixture to reach lower temperatures and freeze the ice cream. This process helps to create a smoother and creamier texture in the final product.
Freezing point is the point at which a liquid turns into a solid What effect can change the freezing point?
Changing the pressure can affect the freezing point of a substance. Generally, an increase in pressure will lower the freezing point, while a decrease in pressure will raise the freezing point. The presence of solutes or impurities in the liquid can also change the freezing point.
What is oxygen's freezing point?
oxygen's freezing point is 222.65 degrees Celsius
What is the cerium freezing point?
Cerium's freezing point or the melting point is 795 oC.
What is the freezing point depression of sodium chloride?
The maximal freezing point depression for sodium chloride is -18 0C. For the theoretical calculus see the link below.
What is NaSio3?
Sodium Silicate
What is the freezing point of sodium in Celsius?
Sodium metal freezes at 97.72 oC
How does the amount of salt in a solution affect its freezing point?
Increasing the concentration of sodium chloride in water the freezing point is lower.
What is the freezing point of water with 70000 ppm chloride?
A 7 % sodium chloride solution in water has a freezing point of -4,38 0C.
Does sodium have a freezing point?
Melting point of metallic sodium, Na: 370.87 K,  97.72 °C,  207.9 °F
What is the freezing point in a sodium?
370.87 k,  97.72 °c,  207.9 °f
Will NaCl's affect the freezing point of a solution make the freezing point increase?
No, adding NaCl to a solution will actually lower the freezing point of the solution. This is because the presence of dissolved ions from the salt disrupts the formation of ice crystals, causing the freezing point to decrease.
How does the presence of dissolved sodium chloride affect the boiling and freezing point of water?
Dissolved solute (NaCl, salt) will raise the boiling point and lower the freezing point of water. This is known as a colligative property.
What nontoxic solute requires the least concentration in volume with water to decrease the freezing point?
The nontoxic solute that requires the least concentration in volume to decrease the freezing point of water is sodium chloride (table salt). When dissolved, it dissociates into sodium and chloride ions, effectively lowering the freezing point through colligative properties. However, if considering a nontoxic option, sugar (sucrose) is often used, but it generally requires a higher concentration than sodium chloride to achieve the same freezing point depression. Thus, sodium chloride is typically more effective in smaller concentrations for this purpose.
What is the freezing point of an aqueous 2.85 m sodium hydroxide NaOH solution The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC m?
-10.6 Celsius
The melting point of salt is the same as its?
The melting point of salt (sodium chloride) is the same as its freezing point, which is 801 degrees Celsius or 1474 degrees Fahrenheit. At this temperature, salt transitions from solid to liquid or vice versa.
