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What molarity of aqueous calcium chloride solution can be expected to show the same conductivity as 0.0050 M aluminum sulfate at 12,500 units.
Hydrogen has an electronegativity value between boron and carbon and identical to phosphorus. With this in mind, rank the following bonds in order of polarity with 1 being the most polar and 5 being the least polar.
A solution is made by dissolving 4.055 g of FeCl3 in 500 mL of water. The freezing point of this solution is -.316 C. What is the van Hoff factor (i) for FeCl3 at this concentration? (kf for water is 1.86 C/m)
Sketch the line-bond structure for each molecule or polyatomic ion of the following. Designate the formal charges where applicable.
What pair of elements would you expect to exhibit the greatest similarity in physical and chemical properties. WHY.
Why does it take significantly stronger magnetic and electrical field strengths to move the beams of alpha particles compared with the beams of electrons (beta particles)
What is the molality of ethanol in a solution prepared by dissolving 5.00 mL of ethanol (C2H5OH, of density 0.800 grams/mL) in 25.0 mL of water (H2O, of density 1.000 grams/mL)?
How many moles of sodium bicarbonate are contained in 10mL of a 10% aqueous solution
What is the molarity of a HCl solution if the reaction of 223 mL HCl with excess CaCO3 produces 10.7 L CO2 gas at 714 mmHg and 36°C?
Soft drinks are bottled under CO2 pressure of 4.0 atm. The solubility of CO2 at 4.0 atm is 0.71g/100g H2O. What is its solubility after the bottle is opened if the partial pressure of CO2 is 4.0e-4 atm
The electrons in the bonding orbital tend to be distributed between the two atoms. This is because of their tendency to be shared among the two nuclei.
Complete and balance the following equation Write the ionic equation and net ionic equation. Indicate spectator ions and determine if a precipatie would form. (NH4)2C03(aq)+CaCl2
Describe the effect of this on [CH3COOH] and [CH3COO-] (their concentrations). Account for your answer in terms of number of moles of protons transferred. Also, has the capacity of the buffer been exceeded? Explain.
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