Answer:
Density of the liquid.
Explanation:
Density is the mass per unit volume of a substance.
At specific volume of each immiscible substance, the substance with lower relative molecular mass has the lower density and such floats.
Thus, the physical properties that determines the solvent layer that will be on top is DENSITY.
Answer:
29.5 days
Explanation:
orginally 27.3 days but 29.5 days is also correct
Answer:
Half life = 79.67 sec
Explanation:
Given that:
k = 
The expression for half life is shown below as:-
Where, k is rate constant
So,
Half life = 79.67 sec