The composition would be more "diluted" in a sense.
Answer:
moles of water in
of water.
Explanation:
Mass of water = 
Molar mass of water = M = 18 g/mol
Moles = n = 

So, there are
moles of water in
of water.
Answer:

Explanation:
It is given that,
Original temperature, 
Original volume, 
We need to find the temperature if the volume of the balloon to be shrink to 1.25 L.
According to Charles law, at constant pressure, 
It would means, 
T₂ = ?

So, the new temperature is 261.46 K.