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For each of the following slightly soluble salts write the equilibrium equation dor dissociation and the solubility product expression: a)Ag2S. b)Al(OH)3. c)BaF2.
what is the percent of magnesium in magnesium phosphate?
Identify the best nucleophile for 2-bromo-2-methylpropane and 2-chloro-2-methylpropane in an Sn1 and a Sn2 reaction; acetone, isopropanol
Electrolytes and Molarity, Iii)salt is added to 81.4 g of water? iv) Identify the electrolytes and the non-electrolytes among the following compounds
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0 degrees celcius to -18 degrees celcius?
At 20 degree celcius, how many dissociated H+ ions are there in 167ml of an aqueous solution whose ph is 12.17? and At 25 degree celcius, how many dissociated H+ ion
Calculate the molar concentration of OH - ions in an 1.43 M solution of hypobromite ion, BrO- (Kb = 4.0 10-6).
potassium fluoride has a solubility of 92g of KF in 100 g of H2O at 18 degrees C. which of the following are saturated solutions and unsaturated solutions at 18 degrees C: a)46 g of KF and 100 g of H2O. b)46 g of KF and 50 g of H2O. c)184g of KF a..
Some sugar substitutes are made from derivatives of sucrose. SucraloseTM is a sweetener found in soft drinks and low-calorie foods such as yogurt.
Calculate the number of moles of O2 required to react with phosphorus to produce 5.50 g of P4O6. (Molecular mass P4O6 = 219.9 g/mol.)
.799 g sample of an unknown substance has dissolved in 15.6 g of benzene. The freezing point of the solution was 4.075 C. The freezing point of pure benzene is 5.455 C. For benzene, Kf= 5.065 C/m, and Kb=2.61 C/m. Assume that the solute is a nonel..
A 7.75 gram sample of methane gas has a volume of 876 milliliters at a pressure of 3.42 atm. The temperature of the CH4 gas sample is. answer in C please.
Calculate deltaH and deltaS for the transformation pb (s,25 degrees) (arrow) pb(l,400 degrees). What is the standard entropy of pb(l) at 400 degrees?
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