Answer : The mass in kilogram is, 0.524 kg
Explanation :
The conversion used from gram to kilogram is:
1 gram = 0.001 kilogram
As we are given the mass 425 grams. Now we have to determine the mass in kilogram.
As, 1 gram mass = 0.001 kg
So, 425 gram mass =

Therefore, the mass in kilogram is, 0.524 kg