A chemist needs a ph 35 buffer should she use naoh with
A chemist needs a pH 3.5 buffer. Should she use NaOh with formic acid ( Ka =1.8x10-4exp.) or with aceticacid ( Ka = 1.8x10-5 exp)? Why ? What os the disadvantage of choosing the other acid ? What is the role of NaOH?
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what is the molar composition of the vapor in equilibrium with a boling liquid that has a composition of 60 a and 40
determine the percent by mass of all elements in the compound sodium carbonate decahydrate better known as washing
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a 684-kg bungee jumper is standing on a tall platform h0 454 m the bungee cord has an unstrained length of l0 873 m
a chemist needs a ph 35 buffer should she use naoh with formic acid ka 18x10-4exp or with aceticacid ka 18x10-5 exp
a glass flask whose volume is 100037cm3 at 0 degree celsius is completely filled with mercury at this temperature when
suppose that a fully charged lead-acid battery contains 150 of 500 what will be the concentration of in the battery
another way of looking at the fact that all objects have wave-like properties is diffraction waves diffract as they
a compound with the molecular weight of 39198 was determined to be 31 hydrogen 315 phosphorous and 654 oxygenh as in
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