Explain how an abiotic factor can affect the biotic factors in an ecosystem?

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

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer