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The concentration of Fe2+ in a solution is determined by titrating it with a 0.1737 M dichromate solution. The balanced net ionic equation for the reaction is:
In one experiment, 21.31 mL of the 0.1737 M dichromate solution is required to react completely with 20.00 mL of the Fe2+ solution. Calculate the concentration of the Fe2+ solution.
The following lab requires water free conditions as well as reflux for reaction to be successful. Draw a schematic and label your reaction set up
write a balanced chemical equation for the reaction of 4-nitrobenzaldehyde and sodium borohydride nabh4. if 0.21 g of
Metabolix is an entrepreneurial firm that has invented the first 100% biodegradable plastic. This innovation has reduced the time of plastic decomposition
The binary hydrogen compounds of the Group 4A elements and their boiling points are: CH4, -162 deg C; SiH4, -112 deg C; GeH4, -88 deg C; and SnH4, -52 deg C. Explain the increase in boiling points from CH4 to SnH4.
H ow many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) ? 2 K2O(s) + 2 N2(g) + 5 O2(g)
Explain why is it not possible to balance an equation by changing the subscript on a substance, say from H2O to H2O2
A compound A(C6H6) undergoes catalytic hydrogenation over lindlar catalyst to give a compound B, which in turn undergoes ozonolysis followed by workup with aqueous H2O2 to yield succinic acid and two equivalents of formic acid.
a soft drink contains 35 mg. of sodium in 315g. of h2o. what is the concentration of sodium in the soft drink in mass
Question- Consider when a clean surface of silver is irradiated with light of wavelength 230nm, the kinetic energy of the ejected electrons to be .805 ev. Calculate the work function and the threshold frequency of the silver
Zinc hydroxide,Zn (OH)2} Ksp = 4.1 10^{-17}, is nearly insoluble in water, but is more soluble in strong base because Zn^{2+}} forms the soluble complex ion Zn( OH )_4^{2-}} Kf = 3 10^{15}.
suppose that 2.00L of solution are made from 150. mg of citric acid, C6H8O7, A. what is the molar mass of citric acid? B. what is the molarity of citric acid in the solution?
The molar heat capacity of silver is 25.35J/mol C. How much energy would it take to raise the temperature of 9.70g of silver by 19.2C
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