Prepare 5000 ml of a ph 400 buffer with sodium nitrate as a
Prepare 500.0 mL of a pH 4.00 buffer with sodium nitrate (as a 0.50 M solution) and hydrochloric acid (as a 0.10M solution) such that the total nitrite concentration (sum of NO2 - and HNO2) is 0.100M. pH = pKa + log[A-]/[HA] and pKa for HNO2 is 3.35
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an 90 kg object is moving 5ms in the positive x direction has a one dimensional collisions with a 30 kg object moving
clark paints the production department has been investigating possible ways to trim total production costs one
calculate the molar solubility of agcl in a 10 m nh3 solution the equilibrium constant k for the overall reaction is
you run a speech perception experiment comparing apples n 50 and oranges n 50 apples are identified as apples 46
prepare 5000 ml of a ph 400 buffer with sodium nitrate as a 050 m solution and hydrochloric acid as a 010m solution
a box of sand initially at rest is to be pulled across a floor by means of a cable in which the tension cannot be
what is the haber process synthesis specifically describe the reaction and industrial importance of the
a 675 kg person sits on a 377 kg chair each leg of the chair makes contact with the floor in a circle that is 163 cm in
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