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You dissolve 650.0 g of sugar (C12H22O11) in 726 mL of water. The density of wat is 1.00 g/mL.
a. Calculate the molarity of the solution
b. Calculate the % by mass of the solution
c. Calculate the molality of the solution
d. Calculate the mole fraction of the solute in the solution
An organic compound X contains C, H, and O. A 16.69 g sample of X underwent combustion analysis, leading to the production of 44.71 g CO2 and 10.99 g H2O. What is the emperical formula of the compound?
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
Consider the following. You identify a line with a wavelength of 503 nm. Describe how you would go about determining which of the lines in table 1 of the experiment guide that it corresponds to.
Calculate the terminal velocity of particles with a density of 1.3 g/cm3 and a diameter of 250 microns falling through water at 200 C
If the earths average temperature is 288K,what fraction of the atmosphere absorbed infrared radiation? what is the temperature of this atmospheric layer? if this fraction increased 5% what would be the earths new average temperature?
What is the silver ion concentration in a solution prepared by mixing 341 mL of 0.350 M silver nitrate with 375 mL of 0.437 M sodium phosphate
Compare the term symbols for the ground state configuration and the first excited state configuration of He. Which term symbol represents the lowest energy state for each configuration
The fat, tripalmitin, when hydrolyzed with aqueous NaOH followed by acidification with HCl yields glycerol and palmitic acid.
Calculate the amount of heat liberated (in kJ) from 405 g of mercury when it cools from 94.0°C to 14.0°C.
At 0.0 C, if the volume of air is 2 mL and the pressure of the atmosphere that day is 665 mmHg, what is the number of moles of air?
A solution is .450M in HNO3 and 1.3M in Ba(NO3)2. what is the concentrations of No3 in the solution?
If carbon dioxide gas is collected over water at 25°C and 775 torr, what is the partial pressure of the CO2? The vapor pressure of water is 23.8 torr at 25°C.
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