What volume of 050 m hno2 and 050 m nano2 must be mixed to
What volume of 0.50 M HNO2 and 0.50 M NaNO2 must be mixed to prepare 1.00 L of a buffered solution at a pH of 3.50? Present answer in mL units and use 4 significant figures.
volume of HNO2=
volume of NaNO2=
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a 534kg object moving at a speed of 13ms in the postive x-axis collides wth a 320kg moving at 25ms in the opposite
the ph of an aqueous solution containing aniline c6h5nh2 and its salt anilinium chloride c6h5nh3cl is 420 the
on an air track a 4025 g glider moving to the right at 195 ms collides elastically with a 5020 g glider moving in the
a pendulum is made by letting a 20-kg object swing at the end of a string that has length of 20 m the maximum angle the
what volume of 050 m hno2 and 050 m nano2 must be mixed to prepare 100 l of a buffered solution at a ph of 350 present
a vitamin c tablet containing 250 mg of ascorbic acid h2c6h6o6 is dissolved in water to make 1000ml solution calculate
a 18-kg block slides down a fixed rough curved track the block has a speed of 50 ms after its height above a horizontal
a chemical is placed in a beaker containing 20g of soil and 500 ml water at equilibrium the chemical is found in the
a spacecraft has a nonrelativistic or classical momentum whose magnitude is 18times1014 kgmiddotms the spacecraft moves
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