Explain the molar freezing-point depression constant
Calculate the freezing point (in C)of a solution prepared by dissolving the 11.3g ofCa(N03)2 (formula weight = 164g/mol) in 115gof water? The molar freezing-point depression constant for the water is 1.86C/m.
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Suppose that mean length of a human pregnancy is 268 days with a standard deviation of 9 days. What percentage of human pregnancies do we expect to last no more than 260 days?
The GMAT scores from the sample of 50 applicants to the MBA program point out that none of applicants scored below 450. Determine percentage of applicants scored between given value 500 and 549?
You pull a permanent magnet having its North Pole pointing toward you toward a loop of conducting wire which is between you and the magnet. As the North Pole enters the loop the electron current in the loop is:
Determine the vapor pressure over a 30C water solution which is having 652g of sucrose, C12H22O11, per liter of solution? Suppose the solution behaves ideally.
Employ a 10% level of significance to test the claim by Department of Wildlife Conservation agency that the mean weight of trout is 6 lbs. Calculate the test statistic accurate to two decimals.
Determine the numbers of grams of solid NaOH are needed to prepare the 200 mL of a 0.05M solution? M.W. of NaOH = 40 g/mol
Determine the electric field strength and determine the proton's velocity if it is merely 2.50 cm into the field?
Write down a detailed step-by-step procedure for preparing the 500.00 mL of the KIO3 solution in part a, using pure dryKIO3. Make sure that your procedure uses equipment that allows for the needed precision of the final solution.
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