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Cesium ions are added to flood the flame with electrons. It needs to be in a large concentration, larger than what is being measured. You are taking 500.0 microliters of the 25,000. ppm CsCl and adding it to a 10.00 mL flask and diluting up to 10.00 mL. What is the concentration of CsCl in ppm in the flask?
What chemical test can I do to distinguish between succinic acid and napthoic acid? Succinic acid is a dicarboxylic acid where as napthoic
Choose an acid below and determine how much of the acid in mL that you need to add to 0.800 g of the sodium salt of its conjugate base to prepare a buffer with a pH of 3.8. 3.0 M formic acid
the density of an aqueous ethanol solution is .789 g/mol. How many grams of ethanol should be mixed with water to make 225mL to make a 4.5% ethanol solution?
How many grams of CO2(g) would occupy a volume of 326 mL at 20.6°C and 703 torr?
How much energy in kilojoules is required to convert 100 mL of water at its boiling point from liquid to vapor?
A helium-filled balloon has a volume of 2.63 L at 28 ? C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day.
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0 degrees celcius to -18 degrees celcius?
Deuterium oxide (D2O, where D is deuterium, the hydrogen-2 isotope) has an ion-product constant, Kw, of 8.9 x 10^-16 at 20 *C (degrees Celsius). Calculate [D+] and [OD-] for pure (neutral) D2O at this temperature.
if the initial water level in the graduated cylinder is 21.2 ml and the level rises to 27.7 ml after the object is placed in the cylinder, what is the volume of the object?
How do the strengths of London forces compare in CO2 and CS2? Which of these is expected to have a higher boiling point?
What is the best and easy way to determine the frequency (in hz) of the interacting photon. A photon interacts with a ground state electron in a hydrogen atom and is absorbed.
Determine the mass of the steel bar If the final temperature of the system reached to 21.0 degree celsius?
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