Google says 11 lol full google answer:
Sodium-23 atom is the stable isotope of sodium with relative atomic mass 22.989770, 100 atom percent natural abundance and nuclear spin 3/2. A member of the alkali group of metals. It has the atomic symbol Na, atomic number 11, and atomic weight 23.
By putting it in water because all the pease will fall to the bottom
M1V1 = M2V2
225M1 = (2)(120)
225M1 = 240
M1 = 240/225 = 1.066 M C
<span> some unique properties about ice that differ from liquid water to water vapor are that it is a solid, not a liquid or gas. It also expands. </span>
