1 mole = 70.9
X mole = 140
X=1.9746 moles
X= 1.98 when rounded to 3 significant figures.
Answer:
because the hundreds of ghosts could kill them.no.no.yes
Info: NACl2<span> might be an improperly capitalized: </span>NaCl2<span>. Balanced equation: NA + Cl2 = </span>NACl<span>2. </span>Reaction type<span>: synthesis. Please tell about this free chemistry ...</span>
<span>Our Earth is structured around the densities of the materials which make it up.One property of density is that it determines the way materials in a mixture are sorted. This property of matter results in the layering and structure of Earth's atmosphere, water, crust, and interior.</span>
14N and 15 N is the pairs that are isotope of each other.This is because isotope is are different kind of atoms of the same element which have same number of protons(atomic number) but different number neutrons and different mass number. 14N and 15N are isotope of nitrogen since has different neutron.