What will the total concentration of acetate be in solution
How many mL of 0.2 M sodium acetate should be added to 200 mLof 0.1 M acetic acid to make a buffer of pH 5? What will the total concentration of acetate be in the solution (acetate + aceticacid)?
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Pure benzene has a freezing point of 5.45 C and a boiling point of80.2C. Its constants for freezing point depression and boilingpoint elevation are -5.07 C/m and +2.53 C/m .
Two balls, of masses ma= 36 g and mb= 68 g are suspended from the horizontal on a string 30 cm. Ball a is pulled away from ball b at an angle of 60 degrees with the vertical and released. a) what is the velocity of the lighter ball before impact?
Calculate the boiling point of a solution containing 50.00g ofsodium phosphate dissolved in 175.0g of dihydrogen monoxide.
The magnetic field inside a 4.0cm diameter superconducting solenoid varies sinusoidally between 8.0T and 12.0T at a freqency of 10Hz. a) What is the maximum electric field strength at a point 1.5cm from the solenoid axis?
Consider the discrete probability distribution to the right when answering the following question. Find the probability that x exceeds 4. x| 3, 4,7, 9 P(x) | 0.26, ? , 0.22, 0.02
Now derive the stress field in a cylindrical symmetric situation. Assume that the length of the cylinder is much larger than the diameter of the cylinder.
Take the potential of the negative plate to be zero. If the potential halfway between the plates is then +4.0 V, what is the electric field in the region between the plates? (Take directly towards the negative plate to be the positive direction).
For the following conditions, determine if it is appropriate to use the normal distribution to approximate a binomial distribution with n=38 and p=0.3. Explain your answer.
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