Solve the following problems. Show your work and include the units 8. How many moles is 9.3 x 1025 atoms of Pb? 9. How many representative particles are in 2.73 moles of MgI? 10. What is the gram molecular mass of C2H6? 11. Find the mass of each of the following A. 3.65 mol K S04 B. 2.61 mol H2O2 C. 2.60 x 1024 molecules of CH, D. 0.70 L Kra STP 12. What is the density of 1 mole of N O gas at STP?

How manyatoms of mercury are in 1.4214e+1 ml sample

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)