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1) The method you are using determines total water hardness - suggest another experimental technique which can provide both Ca and Mg concentrations independently. This may involve a similar method (i.e. titrimetric) or a completely different method.
2) Why is it important to know the concentration of the EDTA solution accurately?
Question- What is the molar mass of a compound if 5.12 grams is dissolved in 25.0 grams of chloroform solvent to form a solution that has a boiling point of 67.54 °C. The boiling point of pure chloroform is 61.70 °C and the boiling point elevation..
The mass of a single copper atom is 1.06E-22 grams. How many copper atoms would there be in 318 milligrams of copper?
milk of magnesia is an over the counter pharmaceutical preparation used as a laxative and for heartburn. it can be
When an ionic solid is added into a solvent, you can see that the ionic solid dissociates into its respective cations and anions. The solvent molecules immediately cluster around the ions.
Explain what is the relationship between standard free energy, the value of the equilibrium constant, K and the product or reactant favorability at equilibrium.
Draw and name all of the structural isomers that are ketones with five carbon atoms in its longest chain and the molecular formula C5H10O. Can this molecular formula also have an aldehyde structure? If so, illustrate and name the aldehyde. Can thi..
Determine the actual coefficient of performance of the heat pump.- The reversed Stirling ASC coefficient of performance for this unit.
The normal boiling point of ethanol is 78.3 deg C and its molar enthalpy of vaporization is 38.56 Kj/mol. what is the change in entropy in the system in J/k when 97.2 grams of ethanol at 1 atm condenses to a liquid at the normal boiling point
determine calorimeter constant b) determine reaction enthalpy for the Zn / HCl reaction c) if ?fHo (ZnCl2 aq) is -482.2 kJ mol-1 and ?fHo (HCl aq) is -165.2 kJ mol-1, what is you percent error
What is the cellular free energy change for the phosphofructokinase reaction at 37°C? c) What is the equilibrium constant for the phosphofructokinase reaction
How long would it take for 1.50 mol of water at 100.0 0C to be converted completely into steam if heat were added at a constant rate of 19.0 J/s?
Calculate the Î"S for a gas in a closed system that is an ideal monatomic gas initially at P= 5 atm, V=5L, and T = 310 K which expands to V= 10 L and its temperature is increased to 390 K
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