Pick one answer please do not guesss and put links

Which term refers to a property that depends only on the amount of a substance? ©@

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

What is the mass of sodium in 3 moles of sodium chloride