What is the freezing point of k2so4?

What is the freezing point of k2so4?

1,956°F (1,069°C)

How do you determine freezing point?

The freezing point depression ∆T = KF·m where KF is the molal freezing point depression constant and m is the molality of the solute. Rearrangement gives: mol solute = (m) x (kg solvent) where kg of solvent is the mass of the solvent (lauric acid) in the mixture. This gives the moles of the solute.

Which solution has the highest freezing point quizlet?

CH3CH2OH is non-electrolyte and doesn’t dissociate into ions and therefore it’s 1.5m concentration is the lowest concentration of dissolved species amongst the answer choices and this solution will have the smallest decrease (depression) in its freezing point leaving it with the overall highest freezing point.

Which solution would have the lowest freezing point?

Remember, the greater the concentration of particles, the lower the freezing point will be. 0.1mCaI2 will have the lowest freezing point, followed by 0.1mNaCl, and the highest of the three solutions will be 0.1mC6H12O6, but all three of them will have a lower freezing point than pure water.

Which aqueous solution has the lowest freezing point quizlet?

Which aqueous solution has the lowest freezing point? The solution with the lowest freezing point is 0.25 m AlCl3.

How do you know which solution has the lowest vapor pressure?

When comparing vapor pressures we need to be making comparisons at the same temperature. Thus at room temperature, the substance with the lowest boiling point will have the highest vapor pressure (easiest to get into the gas phase). The substance with the highest boiling point will have the lowest vapor pressure.

Which solution has highest boiling point?

  • 0.1 M MgCl2. B.
  • 0.1 M HClO4. C.
  • 0.1 M KCl. D.
  • 0.1 M KOH. E.
  • 0.1 M LiNO3. Medium. Share. Answer.
  • 0.1 M MgCl2. 0.1 M MgCl2 solution has the highest boiling point. Elevation in the boiling point is a colligative property and depends on the number of solute particles. 1 mole of MgCl2 on dissociation in water gives 3 moles of ions.

Which of the following has the highest freezing point depression?

(a) 1M glucose solution has highest freezing point because it has lowest ΔTf.

What is highest freezing point?

0.1 m

What liquid has the highest freezing point?

Gallium melts at 29.76 °C (85.57 °F), which is not a terribly uncomfortable temperature when resting.

Can water freeze at 40 degrees?

We’ve all been taught that water freezes at 32 degrees Fahrenheit, 0 degrees Celsius, 273.15 Kelvin. Scientists have found liquid water as cold as -40 degrees F in clouds and even cooled water down to -42 degrees F in the lab.

Which is the saltiest water body on earth?

While it has been shrinking in recent years, Israeli geologists believe it will stabilise rather than completely “die”. As a result, in the future the Dead Sea may resemble the world’s truly saltiest body of water – which is a pond. The waters of Don Juan Pond in Antarctica are 44% saline.

Are there sharks in the Dead Sea?

If you went swimming in the Dead Sea, you wouldn’t see any skeletons or lifeless fish floating on its surface. You also wouldn’t see any big, bad sharks or giant squid hunting in its depths. In fact, you wouldn’t see any sea life at all—plants or animals! The Dead Sea is so salty that nothing can live in it.

Why can you only stay in the Dead Sea for 10 minutes?

Tip 8: How Long Can You Swim In The Dead Sea? Don’t stay in the water longer than 10-15 minutes. Because of the salts and minerals, your skin will get very soft and you can get cut on the crystals easily. It can also be an overwhelming experience for your body as a whole.