If 1.204 x 102¹ molecules of H₂SO, are removed from 392 mg of H₂SO, find the moles of H₂SO, left.​

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Can someone me with questions 12 and 13 plz.

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.