To determine the molar mass of an element, one must know the element's a. number of isotopes.
b average atomic mass
c avogradro constant
d atomic number​

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

What happens to isotopes that are unstable?

What substance has a mass of 9.5g and volume of 2.1cm^3