How many molecules of sodium are contained in 10.9 moles of sodium

What is impossible to do with a hypothesis

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.