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Determine the pH of a solution that is 3.45% KOH by mass. Assume that the solution has density of 1.01gmL-1.
calculate the molality of a sucrose c6h22o11 solution containing 14.3 g of sucrose in 676 g of
a mass of ccl4 is vaporized at 100.0 c to fill a flask with 275.0 ml when the atmospheric pressure is 753.9 torr. if
1. precision calipers were used to measure a face-centeredunit cell of cu. th dimension of the unit cell is 0.3613 nm.
.35 M NaOH solution to reach the equivalence point. Determine the molar mass of the acid and given nthat the pH at the half way point to the equivalent point is 3.86. Calculate the Ka of the unknow acid.
Explain why bromobenzene is unreactive to both sodium iodide in acetone and silver nitrate in ethaol, while benzyl chloride is reactive
A reaction mixture initially contains 2.8 M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 × 10-6.
A compound contains only carbon, hydrogen, nitrogen and oxygen. Combustion of 0.314 g of the compound produced 0.426 g CO2, and 0.0620 g H2O. In another experiment it is found that 0.103 g of the compound produces 0.0460 g of NH3
If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of HCONH2 be at equilibrium?
For each of the reactions, calculate the mass (in grams) of the product formed when 15.51g of the underlined-?vAssume that there is more than enough of the other reactant.
Consider a random mixture containing particles of Na2SO4 and K2SO4. There are 13.31 g of Na2SO4 (density 2.627 g/mL) and 86.69 g of K2SO4 (density 2.444 g/mL) in the mixture. All particles in the mixture have a uniform spherical radius of 0.091 mm..
An infant's pulse rate is measured to be 133 +/- 7 beats/min. Explain what are the uncertainty as well as the percent uncertainty in this measurement
Draw out the mechanism for the synthesis of aspirin but do not use the acid catalyst. is a green chemistry synthesis using a metal catalyst and how the mechanism would go. The reactants are salicylic acid and acetic anhydride.
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