How many grams of ch3oh must be added
How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?
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The formation constant of the complex ion Cu(CN)32- is 1.0 × 109. What is the copper(I) ion concentration in this system at equilibrium?
A solution of malonic acid, H2C3H2O4 was standardized by titration w.1000M NaOH solution. If 20.76 mL of the NaOH solution were required to neutralize completely 13.15 mL of the malonic acid solution, what is the molarity of the malonic acid solut
Draw a dot and cross diagram to show the bonding in CH2F2. Your diagram only needs to show the outer shell electrons.
A solution is prepared by dissolving 25.0 g of ammonium sulfate in enough water to make 100.0 mL of stock solution. A 10.0 mL sample of this stock solution is added to50.0 mL of water. Calculate the concentration of ammonium ions and sulfate ions
The closed limb of a macleod gauge has a diameter of 1mm and a value V above the level of the opening W of 250cm3. When the gauge is connected to a vacuum source the difference h in mercury level is observed to be 4mm. Calculate the pressure o
What is analytic chemistry?
Of the solvents used, some were very polar (e.g., acetone, ethanol) while others were very nonpolar (e.g., hexane). Did the polarity of the various solvent mixtures seem to affect the completeness of the separation of dyes? Why might this be so?
Hot air is contained in a vertical, frictionless piston-cylinder device.the piston has a mass of 4 kg and a cross-sectional area of 35 cm2. A compressed spring above the piston exerts a force of 4 N on the piston.
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