What does Raoult's law state?
2 answers:
Correct Answer is A: <span> The vapor pressure of a pure solvent is higher than that of a solution containing that solvent.
Reason
According to Raoult's Law states that v</span><span>apor pressure of each component in the solution is equal to the vapor pressure of the pure component multiplied by its mole fraction. It is mathematically expressed as
P = X </span>
where, P = vapor pressure of solution
X = mole fraction of solute
P^{0} [/tex] = vapor pressure of pure component
Here X is always less than one (in solutions)
∴ P < P^{0} [/tex]
Reason
According to Raoult's Law states that v</span><span>apor pressure of each component in the solution is equal to the vapor pressure of the pure component multiplied by its mole fraction. It is mathematically expressed as
P = X </span>
where, P = vapor pressure of solution
X = mole fraction of solute
P^{0} [/tex] = vapor pressure of pure component
Here X is always less than one (in solutions)
∴ P < P^{0} [/tex]
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Answer:- 12 km = 12000 m
Solution:- It's a metric unit conversion where we are asked to convert 12 km to m where km stands for kilometer and m stands for meter.
In metric conversions, kilo means 1000.
So, 1 km = 1000 m
It means, we multiply the given km by 1000 to get the answer in m as:
= 12000 m
Hence, 12 km = 12000 m.