A flask contains 300ml of 012m phosphate buffer that has a
A flask contains 300mL of 0.12M phosphate buffer that has a pH of 7.2. What volume of 0.2M HCl should be added to drop the pH to 6.7
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a spacecraft is launched from the surface of the earth with a velocity of 0480c at an angle of 500deg above the
air bag in automobile inflate when sodium azide nan3 rapidly decomposes to its components elements 2nan3 s 2nas 3n2
a stone is projected at a cliff of height h with initial velocity of 42 ms directed 60 degrees above the horizon the
in a nuclear power plant the fuel rods last 3 yr before they are replaced if a plant with rated thermal power 100 gw
a flask contains 300ml of 012m phosphate buffer that has a ph of 72 what volume of 02m hcl should be added to drop the
objective of course project is to offer students an opportunity to go through a sensor-based instrumentation system
the total volume of water in the oceans is approximately 140 multiplied by 109 km3 the density of sea water is 1030
the hang time of a punt is measured to be 450 s if the ball was kicked at an angle of 63 degrees above the horizontal
a a party store has a tank of helium at a pressure of 68 atm in the store where the temperature is 21degc if an
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