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At 25ºC the solubility product constant, Ksp, for magnesium phosphate, Mg3(PO4)2, is 1.0´10-24. The solubility product constant for magnesium fluoride, MgF2, is 7.0´10-11.
(a) What is the molar solubility of Mg3(PO4)2 in pure water at 25ºC?
(b) What is the molar solubility of MgF2 in pure water at 25ºC?
The density of 70.4 wt% aqueous nitric acid, HNO3, is 1.41 g/ml. 1. How many grams of solution are in 1.500 L?
0.10 gram sample of a gas occupies 47 ml of vol at 25 deg C and 755 mm Hg. What's the FW of the compound?
What is the pressure of a container that has 7 atm pressure coming from O2, 2 atm of pressure coming from N2, 3 atm of pressure coming from CO2?
A 70.0 g steam sample at 150.0 degree Celsius was converted to ice at -150.0 degree Celsius, calculate the total amount of heat removed in the process.
What is the purpose of Sodium phosphate dibasic when used to make ethanol via fermentation?
How many grams of NaCl are contained in 350 ml of a 0.25 M solution of sodium chloride?
The corresponding densities of liquid water and water vapor are 0.958 kg/L and 0.000598 kg/L, respectively. Calculate the change of pressure for a one degree change in temperature.
An iron bar of mass 869 - g cools from 90 oC to 5 oC Calculate the heat released (in kilojoules) by the metal. ( specific heat = 0.44 J/(g. c)
The vapor pressure of carbon tetrachloride, , is 0.354 and the vapor pressure of chloroform, , is 0.526 at 316 . A solution is prepared from equal masses of these two compounds at this temperature.
Calculate the total pressure (in atm) of a mixture of 0.0270 mol of helium, He, and 0.0200 mol of oxygen, O2, in a 4-L flask at 20°C. Assume ideal gas behavior.
The orbital energy of any atomic species depends on factors other than the principle quantum number n and any given energy level in H is more stable than the same level in H+.
How many grams of lithopone are produced in the reaction of 315ml of 0.275M ZnSO4 and 285 ml of 0.315M BaS?
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