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0.02 grams of AgNO3 is dissolved in 1.0 L water. What is its concentration as parts per million?
A) 2 x 10^-6
B) 2 x 10^-4
C) 2 x 10^-3
D) 2 x 10^-2
E) 2 x 10^2
Detremine the concentration of chromate solution - Potassium chromate has an absorbance value
Which of the following are not soluble in water? Remember that the solubility rules apply to ionic compounds, but not necessarily to covalent compounds
calculate the chloride concentration in mEq/L of a solution prepared by diluting 25 g of BaCl2 to 2 L. (WM = 208)
the freezing point of the solution is 5.144 degrees celcius. Pure benzene freezes at 5.444 degrees celcius and has a Kf of 5.12 degrees celcius/m. What is the molar mass of thyroxine
Calculate the pH of a solution conposed of 0.0831M ammonia (NH3) and 0.113M ammonium chloride (NH4Cl).
A gas stream that contains 1.50 mole% CO2 flows through a pipeline. 20.0 kg/min of CO2 is injected into the line. A sample of the gas is drawn from a point in the line 10 meters downstream of the injection point and found to contain 2.3 mole% CO2.
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
2.00 L of H2 at a pressure of 368 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 336 torr after the stopcock is opened.
Carbon sequestration technologies are being actively explored by researchers as methods to remove CO2 from the atmosphere, thereby diminishing the greenhouse effect.
what is the density of a sample of ammonia if the pressue is 705 mm Hg and the temperature is 63.0
a 330 ml container holds 0.146 g of ne and an unknown amount of ar at 35degc and a total pressure of 626 mmhg.
if the freezing point of a 0.106m CH3COOH solution is -0.323 degrees celcius, what is the percent of acid that has undergone ionization?
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