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At 25ºC the solubility product constant, Ksp, for strontium sulfate, SrSO4, is 7.6´10-7. The solubility product constant for strontium fluoride, SrF2, is 7.9´10-10.
(a) What is the molar solubility of SrSO4 in pure water at 25ºC?
(b) What is the molar solubility of SrF2 in pure water at 25ºC?
What mass of this substance must evaporate in order to freeze 160 g of water initially at 21 0C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c.K}.)
what is the half life for this reaction B) how long will it take for the concentration of SO2Cl2 to decrease to 25 percent of its initial concentration C) if the inital concentration of SO2Cl2 is 1.00 M
Calculate the molarity of each of the following solutions. (a) 23.0 g of ethanol (C2H5OH) in 545 mL of solution (b) 15.4 g of sucrose (C12H22O11) in 74.0 mL of solution
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
A solution is prepared by mixing 75.0 mL of 5.00 M HCl and 40.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
if 5.25mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of 0.1000 M HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram.
The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K
C3H8(g)+5O2(g)->3CO2(g)+4H2O If 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
To creates a genetically modified transgenic goat that produce a protein that acts as a drug in its milk. The concentration of drug in the milk is 10 mM
What is the pH at the equivalence point when 40.00 mL 0.100 propionic acid, CH3CH2COOH, Ka = 1.3 x 10-5, is titrated with 0.1000 M NaOH?
A tank of hydrogen has a volume of 22.9 L and holds 14.0 mol at 12.0 C, what is the pressure of the gas in atm
10.0 L gas cylinder is filled with 5.20 moles of gas. The tank is stored at 1 C. What is the pressure in the tank?
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