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If a 100.00 g sucrose solution has a boiling point of 101.5 degrees celsius, how many moles of sucrose are in the solution? How many grams?
What is the percent mass concentration of NaCl in a solution that is prepared by adding 15.0 g of NaCl to 90.00 g water?
What happens to each of the following properties of a solution when the concentration of solute is decreased?
a. vapor pressure
b. boiling point
c. freezing point
What is the concentration of OH- in each of the following solutions?
a. 0.0010 M KOH
b. 0.0010 M HCl
c. 0.0050 M NaOH
the barometer at an indoor pool reads 105 kpa. if the temperature in the room is 30 degrees Celsius, what is the pressure of the air
V is the volume, and n is a number that can be 1, 2, 3, ... . Assume that A=1. Determine the work done by the piston. Propose a physical meaning to the term "n" in the above equation.
calculate the mole fraction of soluteand solvent present in the solution.
Using the equation pKa= -log Ka, calculate the Ka from the pH value and the starting acetic acid concentration. Calculate the Ka of acetic acid.
Write the structures of the following compoundsa) 2,2-dibromo-3,3-dichloro-5,5-difluoro-6,6-diiodobicyclo{2.2.1}heptane
CH4(g) + 3 Cl2(g) CHCl3(g) + 3 HCl(g) How many grams of CH4 is needed to produce 43.0 g CHCl3?
Consider a chromatogram containing a single analyte with retention time of 4 minutes. The mobile phase elution time is 0.2 minutes. What is the capacity factor (k') for the analyte in question?
How much heat does your body lose when 1.8 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 is 44.0 .
If 28.9 grams of trans-2-butene reacts with 14.2 grams of HCl to form 15.5 grams of chlorobutane, what is the percent yield?
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
Write down the electron configuration of the B+ ion using the noble gas core notation and What you will expect for the molecular formula, C7H6O2( Benzoic acid) if Determination of The molar mass of benzoic acid
Disulfur dichloride is produced by reacting chlorine gas with molten sulfur. What is the percent yield if 3.25 g S2Cl2 is isolated from the reaction of 5.0 g S8 and 3.75 g Cl2
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