What volume of glacial aceic acid 18m and what weight of
What volume of glacial aceic acid (18M) and what weight of sodium acetate trihyddrate(CH3COONa.3H20) are required to make 100 ml of .2 M buffer at pH 4.5 (pKa of acetic acid is 4.74). please explain steps in detail and use units in asnwer
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you wish to prepare a 05 liter solution of an acetate buffer having a ph of 50 and a concentration of 1m the pka of
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a 10-m long plank with a mass of 15-kg is supported at each a 70 kg person stands on the plank between the supports if
what is the molarity of the concentration hcl concentrated hcl is 372 by mass how did you find this value using the
what volume of glacial aceic acid 18m and what weight of sodium acetate trihyddratech3coona3h20 are required to make
a string wrapped around a peg diameter200 cm along the axis of a top is pulled with a constant tension of 592 n
if a hydrogen-like atom in the ground-state is excited with a wavelength of 39721nm how much energy has been absorbed
a 0250-kg piece of aluminum that has a temperature of -158 degc is added to 14 kg of water that has a temperature of 26
1the motion of the 25-kg rod ab is guided by two small wheels which roll freely in horizontal slots if a force p of
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