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Question- Calculate the theoretical yield of Cu(NH3)4SO4xH2O (MW=245.7) from the mass of the starting material (8.013g) CuSO4x5H2O (MW=249.7)
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Calculate the pH after the addition of 0.0 mL, 5.0 m, 10,0 mL, and 20,0 mL NaOH. At each of these three points, indicated by formula the chemical species present in solution
The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g·mL-1) manometer fluid. Compute the pressure (in torr) of a gas that supports a 507-mm column of di-n-butyl phthalate
a compound contains 69.94 percent iron and 30.06 percent oxygen. what is its molecular formula if the molar mass of the
Question- What volume (L) of an aqueous solution that is 66.00 % by mass glycerol (C3H8O3) and has a density of 1.17 g/mL must be taken to obtain 2.77 mol of glycerol?
The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added Va = 0, 5 ,10, and 15 mL.
Doctors sometimes spray ethyl chloride on the skin to momentarily freeze it for minor operations. Explain how this works considering that ethyl chloride is a very volatile liquid with a relatively low boiling point.
For a solution containing 0.0060 M calcium nitrate and 0.057 M nitric acid, calculate the activity of the calcium ion.
This standard reaction will only be spontaneous at high temperatures (T > 550 K) This standard reaction will only be spontaneous at low temperatures (T
A 1 mM solution of HCl is prepared, and enough KCl is added to adjust the ionic strength to u= 0.1 M. Calculate the pH of the solution
A sample of H2SO4 contains 1.11 grams of H (1.01 g/mol). How many moles of H2SO4 (98.02 g/mol) are present?
Which one of the following compounds will be most soluble in water?
An aqueous solution of CaCl2 has a vapor pressure of 83.0mmHg at 50 C . The vapor pressure of pure water at this temperature is 92.6mmHg .
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