Answer:
1540C
Explanation:
I think this is the right answer? I hope this helps!
The boiling point of the solution can be calculated by the equation of the colligative property named boilng point elevation.
The formula for the boiling point elevation is:
ΔTb = i * Kb * m
Where:
i = van't Hoof factor
Kb = molal boiling point constant
m = molality.
Solution:
1) i is 2 because the NaCl is ionice and dissociates into two ions.
2) Kb is given = 0.51 °C/m
3) m = moles of solute / kg of solvent
moles of solute is given = 3.8
kg of solvent = 185 g * 1 kg/1000g = 0.185 kg
m = 3.8 moles / 0.185 kg = 20.54 m
4) ΔTb = 2 * 0.51°C/m * 20.54m = 20.9 °C
5) The boiling point is the normal boiling point of water (100°C) plus the increase:
Tb = 100°C + 20.9°C = 120.9°C
Answer: 120.9°C.
Answer:
if this doesnt help then im sorry...
Explanation:
When light is shined on certain metals, electrons may be knocked off the metal. This is called the photoelectric effect. By assuming that light is quantized, Einstein was able to explain the photoelectric effect. ... When UV light of a long wavelength and low frequency is shined on the zinc nothing happens.
Answer:chicken
Explanation:There are many types of chicken
