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Question- Calculate the minimum concentration of Ca2+ that must be added to 0.10 M NaF in order to initiate a precipitate of calcium fluoride. (For CaF2, Ksp = 4.0 x 10^=11.)
Describe each steps included in the computation of answer of above question
A certain substance has a heat of vaporization of 37.43 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.00 times higher than
A strong acid is generally used to catalyze the fisher esterification of carboxylic acids. what two steps in the reaction are accelerated by the presence of strong acid, and what function does the acid play in each of these steps
a solution is prepared by dissolving 2.86 grams of sodium chloride 3.9 grams of ammonium sulfate and 0.896 grams of
how many liters of oxygen gas can react with 84.0 grams of lithium metal at standard temperature and pressure?4li o2
The final temperature of the calorimeter is 150°F. What is the mass of titanium used? The specific heat capacity of water is 4.184 J g-1 °C-1.
Write the equation(s) that describe the synthesis of (NH4)2PbCl6 starting from Pb(II) [i.e Pb(NO3)2]. Hint:There is a redox reaction in the first step, where the bleach (ClO^-) is the oxidising agent.
The mass of a cube of iron is 284 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Question- Talk about the impact that the tonnage of sulfur or sulfuric acid recovered from SO2 in flue gas treatment would have upon the chemical industry if all coal- and oil-fired were needed to use such treatment processes.
If 50 g of KNO3 is completely dissolved in 100 g of water at 70 degrees Celcius, is the solution saturated, unsaturated, or supersaturated?
explain how the ligands of F-, NH3 and CN- bonded to CO3+ can result in a green, yellow-orange, and pale yellow color for these compounds, respectively
Aqueous ammonia solutions are weak bases. They are obtained by bubbling ammonia gas in water. If 845 mL of gas at 1.00 atm pressure and 27 degrees Celsius is bubbled into 4.32 L of water, what is the molarity of the resulting solution
A 0.3500 g sample of brass is analyzed by the procedure in the above exercise. The Beer's Law constant for the copper ammonia complex is determined to be 7.50 x 10^-1 mL/mg.
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