Prepare an acetic acid- sodiumacetate buffer solution
You are asked to go into a lab and prepare an acetic acid- sodiumacetate buffer solution with a pH of 4.00 plus or minus 0.02. What molar ratio of CH3COOH to CH3COONa should be used?
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Find the time t required for a 1400$ investment to double interest rate r coumpounded continusly and triple at interest rate r compounded continouly value of r : 4.75%
What is the actual concentration of KI (aq) if the nomial concentration is 0.30 M and 49.815 g are used in 500.00 mL? Explain in detail.
A certain string just breaks when it is under 25 N of tension. A boy uses this string to whirl a 2-kg stone in a horizontal circle of radius 3 m. The boy continuously increases the speed of the stone. At approximately what speed will the string br
A 12-kg block on a horizontal frictionless surface is attached to a light spring (force constant = 0.80 kN/m). The block is initially at rest at its equilibrium position when a force (magnitude P = 80 N) acting parallel to the surface is applied t
Callisto and Io are two of Jupiter's satellites. The distance from Callisto to the center of Jupiter is approximately 5 times farther than that from Io to the center of Jupiter. (a) Do the satellites move with acceleration? Write down the second l
A 3-kg cart moving to the right with a speed of 5.9 m/s has a head-on collision with a 5-kg cart that is initially moving to the left with a speed of 1.0 m/s. After the collision, the 5-kg cart is moving to the right with a speed of 1.5 m/s. What
A student add a total of 15.00 m L of .5432 HCl to their unknown alkaline earth carbonate .it completely dissolved and stopped fizzing . Addition of 3 drops of bromophenol blue confirmed the solution was acidic.
Use the divergence theorem to find the double integral(S)dS where F(x,y,z)=z^2i+(y^2+sinx)j+xy^3k and S is the region bounded by the parabolic cylinder y=x^2 and the planes z=y,y=1 and z=0,oriented outward.
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