The correct number of sig figs for this number is 7 because all whole numbers count and all zeros after the decimal counts too. So, all the numbers count, which is 7.
<span>50.2 kJ = 333 kJ/kg * mass of water
mass of water is 0.15075075075075075075075075075075 kg
therefore mass of unfrozen water is 0.10924924924924924924924924924925 kg</span>
It´s part of a few compounds actually and it´s also abundant on air, but is heavier than most chemical elements to be on a common compound but too small clathrate , but you can find it on many compounds as if you mix neon with argon you will make a red neon light
i hope i helped you somehow