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Calcium sulfate is sparingly soluble in water. describe and explain what would you see when few cm^3 of concentrated of Na2SO4 (aq) were added to a solution of CaSO4 (aq).
The answer says CaSo4 (s) will be formed but why? My answer is that since Na2SO4 is soluble in water it will react with water, is it correct? and why solid is formed?
The radius of a xenon atom is 1.3\times 10^-8 cm. A 100mL flask is filled with Xe at a pressure of 1.5atm and a temperature of 254K
One of the main components of hard water is CaCO3. When hard water evaporates, some of the CaCO3 is left behind as a white mineral deposit. If a hard solution is saturated with calcium carbonate, what volume of the solution has to evaporate to dep..
A rolaid tablet contains calcium carbonate, which neutralizes stomach acid. if 44.55 mL of 0.448 M hydrochloric acid is required to neutralize one tablet, how many milligrams of calcium carbonate are in a rolaids tablet
eighty-six proof whiskey is 43 percent ethylalcohol ch3ch2oh by volume.if the density of ethyl alcohol is 0.79 kgl what
if a .512g sample of sodium carbonate requires 25.3 mL of a sulfuric acid solution to reach the end point for the reaction, what is the molarity of the sulfuric acid.
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted. If 0.260 moles of a monoprotic weak acid
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Calculate the partial pressure of the hydrogen gas using the atmospheric pressure and the vapor pressure of water at the temperature of the solution. Assuming ideal gas behavior, calculate the number of moles of hydrogen gas evolved.
Calculate the ratio of the potential energies for the interaction of a water molecule with an Al3+ ion (of radius 53 pm) and with a Be2+ ion (of radius 27 pm).
Problem- How to prepare 100mL of extraction buffer using [ 10mM Tris-HCl, 1mM EDTA, 1mM phenylmethylsulfonyl fluoride (PMSF), and 1mM 2-mercaptoethanol.
Galvanic cell consists from CO/CO2+ standard electr0de and NI/NI2+ ELECTRODE. At what concentration of nicle electrolyte the theoretical
A color change in the reaction mixture occured after 40 seconds. A. Assuming 25 drops per mililiter for all solutions, determine the inital molar concentration of HIO3
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