Describe the preparation of 1 liter of a 075 m acetate
Describe the preparation of 1 liter of a 0.75 M acetate buffer, pH 4.50, starting from a 1.50 M solution of acetic acid and solid KOH pellets, M.W. = 56 (pKa = 4.75)
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a circuit consists of a 135 resistor in series with a 385 mh inductor and a 500 v ac generator the power dissipated by
a quarterback throws a pass that is a perfect spiral in other words the football does not wobble but spins smoothly
an object with mass 20 kg is attached to aspring with spring stiffness constant k 290 nm and isexecuting simple
what are the concentrations of a weak formic acid hcooh anf formate ions hcoo- in a 0350 m formate buffer ph 425 pka
describe the preparation of 1 liter of a 075 m acetate buffer ph 450 starting from a 150 m solution of acetic acid and
a 1000 ml of 100 mm phosphate buffer ph 75 pka2 72 you are provided with 0200 m koh and 0100 m kh2po4 solutions
a 10kg block is pushd against a vertical wall by a horizontal forceof 100n as shown in the figure the coeffiecient of
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a skier is initially stationary but then accelerates at 16 ms2 down a hill that is inclined 21deg below the horizontal
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