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Copper (II) fluoride contains 37.42% F by mass. Use this percentage to compute the mass of fluorine in grams contained in 28.5 g of copper (II) fluoride
Which of the following species are amphiprotic in aqueous solution? For such a species, write one equation showing it acting as an acid, and another equation showing it acting as a base. OH¯, NH4+, H2O, HS¯, NO2?, HCO3?, HBr
Dehydration of 2-methylcyclohexanol gives small amounts of 1-ethyl-cyclopentene. Write a mechanism to account for this product.
Estimate the absolute error in the measurement assuming the absolute error of the balance and thermometer are +/- 0.01g and +/- 0.1 °C respectively.
when sulfuric acid is a component of polluted air it chemically attacks statues memorials and monuments made from
A solution is 0.05 M in Cr2O7^-2 and 0.003 M in Cr3-. If the pH is 4.0, What is value of the potential of the half reaction?
Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. at 25 degrees Celsius, the vapor pressure of pure benzene is 100.84 torr. what is the vapor pressure of a solution made from dissolving 10.1 g of biphenyl in ..
The fuel used in many disposable lighters is liquid butane,C4H10 . How many carbon atoms are in 1.50g of butane
0.02 grams of AgNO3 is dissolved in 1.0 L water. What is its concentration as parts per million
The mole fraction of oxygen in the atmosphere is .21. If the barometric pressure is 0.975 atm, what is the concentration of oxygen in water? Kh=1.3 x10^-3 M/atm
Calculate the H+ concentration in a .02M solution of a moderately strong acid HA where the Ka is 3.0x10^-2 and the degree of dissociation of the acid
When 10.0 g of NH3 reacts, the actual yield of N2 is 8.50 g. What is the percent yield?
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