A buffer is prepared by dissolving 0.037 mol of potassium fluoride in 135 mL of 0.0237 M hydrofluoric acid. Assume no volume change after KF is dissolved. Calculate the pH of this buffer.

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

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

Calcium chloride +gold(1) oxide—>