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The element lithium consists of two naturally occurring isotopes with relative abundances of 7.42% and 92.58%. The atomic mass of one of these isotopes is 6.0135. Determine the atomic mass of the other isotope.
Write the balanced equation for the ionization of the weak base pyridine, C5H5N, in water, H2O. Phases, such as (aq) or (l), are optional.
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?
The sucrose solution used in the fermentation was 0.350 M. Assume solubility of CO2 in water equivalent to the solubility in the sucrose solution. Hint: some of the CO2 obtained from the fermentation dissolves in the solution, the rest goes to the..
What is the theoretical yield of SO 3 produced by the quantities described in Part A and How many Oxygen molecules are required to react with 7.82g of S?
a 5.00 ml sample of isopropyl alcohol has a mass of .930 g whe measured at 20 degrees celsius. what is the specific
How many grams of H2O are produced when 10.0 g of Phenol, C6H6O, reacts with 20.0 g of O2 in the following reaction
A mixture of copper(II) sulfate pentahydrate (249.70 g/mol) and magnesium sulfate heptahydrate (246.49 g/mol) is heated until all the water is lost. The weight of the initial mixture is 5.020 g, and the weight of the resulting anydrous compounds i..
Ionization energy of hydrogen atom is the energy required to remove this lone electron from a hydrogen atom. It effectively is the same as moving the electron from
Calculate the amount of acid that would be left in the water solution after four 20-mL extractions with ether. Do the same calculation, using one 80-mL extraction with ether, to determine which method is more efficient.
If 26 of 6.6 was spilled, what is the minimum mass of that must be added to the spill to neutralize the acid?
a solution of 120 ml of 0.150 m koh is mixed with a solution of 280 ml of 0.250 m niso4. how many grams of the
If 15 g of KClO3 are added to 200 g of water at 25 degrees celsius with stirring, how much of the KClO3 will dissolve?
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