A 500.0 g –sample of aqueous hydrogen peroxide (H2O2) contains 31.50 % H2O2 by mass. a. Find the mass of hydrogen peroxide in the solution.

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

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.

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?