You add 5 ml of 50 mm hcl to a 01 moles of buffer with a
You add 5 ml of 50 mM HCl to a .01 moles of buffer with a pKa of 6.2. The initial pH of the solution is 6.4. What is the pH after the acid is added.
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a firm that manufactures medical research supplies delivers them to hospitals and medical centers around the country
a machine gun fires 25-g bullets at the rate of 4 bullets per second the bullets leave the gun at a speed of 1000 ms
a continuous line of charge lies along the x axis extending from x x0 to positive infinity the line carries positive
calculate the thermal broadening for a ca ii k line at 3933 a given stellar photospheric temperatures of 30006000 and
you add 5 ml of 50 mm hcl to a 01 moles of buffer with a pka of 62 the initial ph of the solution is 64 what is the ph
a ball is dropped from a height of 4 m and makes an elastic collision with the ground assume that no mechanical energy
when a650-v emf device is placed across two resistors in series a current of 100 a is flowing in each of the resistors
the reuseable booster rockets of the us space shuttle emmploy a mixture of aluminum and ammonium perchlorate for fuel a
a 200times104 kg railroad car is rolling at 400ms when a 5000kg load of gravel is suddenly dropped in what is the cars
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