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How do I calculate the molar mass of the following:
Na2SO4.10 H2O(s)
CaSO4.2H2O(s)
an inert gas has a volume of 941 ml at temperature 28 oC and pressure 675 Torr. What volume does the gas occupy at standard ambient temperature and pressure (SATP)?
Calculate the pH of CO2-saturated water at 25 degrees C, given that the CO2 concentration in air is 366 and that for carbon dioxide the Henry's Law constant KH=3.4E-2 mol L-1 atm-1 at 25 degrees C.
what is the enthalpy change per g mol of O2 between the liquid storage tank and the state of which the O2 enters the fuel cell
organic hydrogenation reactions in which h2 hydrogenand an unsaturated organic compound mix are use in the fuel food
On the basis of the general solubility rules given in the table, predict the identity of the precipitate that forms when aqueous solutions of the following substances are mixed. Indicate which rules apply.
The H2O molecule has a bond angle of 105. What type of atomic orbitals does oxygen use to form the two equivalent sigma bonds with H
Calculate the most probable distance from the nucleus for a 1s electron in a hydrogen atom.
0.2 m hcl is used to neutralize 20 ml of 0.35 m naoh.a.how many moles of oh- are present?b.how many moles of h are
The atomic mass of element X is 33.42 amu. A 27.80 g sample of X combines with 90.10 g of another element Y to form a compound XY. Compute the atomic mass of Y.
Suggest an indicator that could be used to provide an end point for the titration of the first proton in
electrons having this speed would need to be treated as waves in atoms because the wavelength is on the order of the size of atoms.
Construct the MO diagram for planar BH3 and for pyramidal BH3. Based on your MO diagram , why is BH3 planar?
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