A buffer is prepared by mixing 500 ml of 04 m na2hpo4 with
A buffer is prepared by mixing 500 ml of 0.4 M Na2HPO4 with 500 ml of 0.2 M NaH2PO4. what is the pH of this buffer? What would be the final pH if you added the same quantity of acid to 1 litre of H2O (pH 7)?
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the concentration of ammonia in a solution is 010m what is the concentration of hydroxide ion in the solution the kb of
water drips at a constand rate from a faucet that is 500cmabove a sink just as one drop hits the sink another drop is
light from an argon laser strikes a diffraction grating that has 5340 linescm the central and first order principal
for one mol sample of an ideal gas at stp is it possible to suggest an isobaric process that will result in the volume
a buffer is prepared by mixing 500 ml of 04 m na2hpo4 with 500 ml of 02 m nah2po4 what is the ph of this buffer what
the problem is determining the index of refraction a microscope focuses on a tiny scratch in the upper surface of a
1 air passes through a 15m-diameter ventilation duct at a velocity of 30 ms calculate the volumetric flow rate and the
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for an enzyme assay you require a 50 mm tris-hcl buffer ph 78 how many grams of tris mw 121 pka 81 and how any ml of
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