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What mass (in grams) of solid sucrose (C12H22O11) would need to be added to 2000 grams of water to make an ideal solution with a boiling point of 102.9°C
A solution of a protein contains 0.382 grams of the material in 1.00 L of solution. At a temperature of 25°C,this solution has an osmotic pressure of 1.07 torr. Calculate the molar mass of the protein.
If 8.8 mg of iodine-123 is used in an experiment, how many milligrams of iodine-123 should remain after 50 hours. Assume that iodine-123 has a half-life of 10 hours.
Consider the titration of 25.0 mL or 0.010 M Sn^2+ by 0.050 M TI^3+ in 1 M HCL, using pt and saturated calomel electrodes to find the endpoint.
A flask of unknown volume was filled with air to a pressure of 3.23 atm. This flask was then attached to an evacuated flask with a known volume of 8.00 L, and the air was allowed to expand into the flask.
This point we have magnesium ions in solution and fluoride ions in solution. Remember the Ksp of MgF2 is equal to 3.7 x 10^-8 at room temperature
In the malachite green method for measuring phosphorus concentration, what it the purpose of each of the following reagents? Include in your answer what would happen if you didn't use the reagent.
How many units would have been produced during the second quarter under Lean Production?
when carbon monoxide was burned with excess air at constant pressure and the measured temperature of exit gases
derive a frequency response curve for a low-pass rc filter in which r 2.5 k ohms and c 0.015 f. cover a range of
The volume of a certain bacterial cell is 1.60 µm3. What is the volume of 105 cells in liters (L)?
calculate [OH-] and pH in a solution in which dihydrogen phosphate ion, H2PO4- is 0.335M and hydrogen phosphate ion, HPO4^(2-) is a)0.335M b)0.100M
What is H in kJ for the process of freezing a 39.2 g sample of liquid antimony at its normal melting point of 631oC. is it positive or negative
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