molecular geometry, geometry sketch, polarity of molecules and reasons of hci, nf3, cci4, o2, bf3, ch4, so2, ci2

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Iam 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 is the way a mixture is combined different from how a compound is combined?