How many grams of dry nh4cl need to be added to 150 l of a
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.500 M solution of ammonia, NH3,to prepare a buffer solution that has a pH of 8.79? Kb for ammonia is 1.8*10^-5.
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a man enters a tall tower needing to know its height he notesthat a long pendulum extends from the ceiling almost to
if the pressure of a gas is 6149 atm in a piston what is the pressure in atm if the volume of the piston is increased
the standard enthalpy of formation of nh3g is -460 kjmol calculate the thermal energy evolved when 80g of h2g react
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how many grams of dry nh4cl need to be added to 150 l of a 0500 m solution of ammonia nh3to prepare a buffer solution
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a 025 kg piece of putty is dropped from aheight of 24 m above a flat surface whenit hits the surface the putty comes to
a certain metal crystallizes in a body-centered cubic arrangement the edge of the cube is 564 a and has a density of
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