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125.8 mL of 0.798 M sodium hydroxide is reacted with 7.80 g oxalic acid as shown in the reaction below.
H2C2O4(s) + 2 KOH(aq) ? K2C2O4(aq) + 2 H2O(l)
What mass of potassium oxalate is formed?
If 1.1 g of potassium oxalate are isolated in the laboratory, calculate the % yield.
Describe a way to differentiate between the two using a solution of Na2CO3 and write the correct balanced equation
A local radio station can be tuned in by dialing your radio to a frequency of 101.5 MHz. Calculate the energy of the wave.
open system at equilibrium with normal atmospheric levels of carbon dioxide to show the approximate PH of pure rain water, assuming Pco2=10^-3.5 atm?
urea at 25c are 0.605 atm and 0.245 amt respectively. calculate the van't hoff factor for the CaCl2.
What volume of 0.160 M of Li2S solution is required to completely react with 125 mL of 0.160 M of Co(NO3)2
C.A. Yates was given a 50.0mL sample of the weak acid. The known concentration of the weak acid is .25M. After preparing a buret he delivers 25.0mL of the weak acid into a 100mL Erlenmyer flask. He then titrated this solution using a standardized ..
What is the mole ratio of benzene to n-octane in the vapor above a solution of 20.0% benzene and 80% n-octane by mass at 25C? The vapor pressures of n-octane and benzene at 25 c are 11 torr and 95 torr, respectively
Common oxidation states of mercury are 1 and 2. In the 1 oxidation state, mercury forms a diatomic cation. In the 2 oxidation state, mercury is a typical monatomic cation.
Suppose that you were to fill a 1L beaker with only 200 mL of water and it is not deep enough to make the water level inside and outside the graduated cylinder the same.
Provide the structure of an aromatic compound with seven carbon atoms. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds)
what mass of CH3CO2H is required to prepare 100.00ml of a 0.48M acetic acid solution?
he most probable mechanism of reactivity for solvolysis of benzyl chloride is a) Sn1 b) Sn2 c) E1 d) E2. The most probable mechansim of reactvity for solvolysis of 2-chloro-norborane
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