How many particles are in 9.14 liters of chlorine dioxide at stp? please show work

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x. xx ml

Which of these conditions most likely produces an unstable isotope?

What does the mass of 0.7891 mol of ferric oxide (fe2o3)