How many moles are in 1.9 x 10^25 molecules of carbon dioxide

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?

How can the periodic table be used to predict the behavior of elements?