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At 20 C an aqueous solution that is 24.0% by mass in ammonium chloride ha a density of 1.0674 g/mL. What is the molarity of ammonium chloride in the solution? The formula weight of NH4CL is 53.50 g/mol.
Formic acid (HCOOH) is secreted by ants. Calculate [H3O+] for a 7.40E-3 M aqueous solution of formic acid (Ka = 1.80E-4).
write a detailed mechanism for the reaction of salicylic acid with acetic anhydride showing clearly the function of the catalyst,
Which net ionic equation best represents the reaction (if a reaction occurs) between CaCO3 + HNO3 a. Ca2+ + 2NO3- ? Ca(NO3)2 b. CaCO3 + 2NO3- ? Ca(NO3)2 + CO32- c. CO32- + 2HNO3 ? H2O + CO2 + 2NO3- d. CaCO3 + 2H+ ? Ca2+ + H2O + CO2
There are different ways to represent and analyze data for enzyme-catalysed reactions. For example, in the Eadie - Hofstee plot, v/[S]0 is plotted against v. Alternatively, in the Hanes plot [S]0/v is plotted against [S]0.
Sterling Silver is 92.5% silver by mass. How many lbs of silver are there is a 45.0 Mg piece of sterling silver?
Suggest reasons why recrystallization from water would probably not be suitable procedure for purifying
2.00 x102 ml of .744 m hcl is mixed with 2.00 x 102 ml of .372 m baoh2. how many moles of water are produced in the
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively. If 7.50 mol benzene is mixed with 6.64 mol toluene
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid.
Ammonia burns in pure oxygen and reaction produces nitrogen and water. What is the amount of Nitrogen produced from 45.0 g NH3?
Describe how you would prepare the buffer solution using one of the weak bases listed in the Table below and any other necessary reagents.
In a synthesis experiment you obtain a sample of product on which you do a melting point determination and find a melting point range of 108.0 to 114.3 degrees Celsius. The sample is supposed to be benzoic acid.
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