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How many grams of solute are needed to prepare the following solutions? 1. 135.0mL of 22 % (w/v) glucose (C6H12O6) 2. 60mL of 4.6 % (w/v) (KCl)
calculate the molar absorptivity (epslion) of Cu2+ at 620nm given that the curvettes used in lab had a pathlegth of 1.00 cm.
what is the concentration(M) of CH3OH in a solution prepared by dissolving 16.8 g of CH3OH in sufficient water to give exactly 230 mL of solution.
how much energy (MJ) can be obtained from incineration and how much CO2 (kg/year) may be released in that year? 2) How much of that energy (MJ) can be actually converted into electric power if the conversion efficiency is 23%?
The lab is synthesis of Methyl Benzoate. The question is besides fischer sterification Name three other ways to make esters.
When optically active propylene oxide is used, the 1,2-diol obtained from the acid hydrolysis has a optical rotation opposite from the Alkaline hydrolysis. Write the mechanism of each hydrolysis that is likely to explain these facts.
Within this analogy, discuss how the shielding by core electrons is analogous to putting a frosted-glass lampshade between the lightbulb and your eyes, as shown in the illustration.
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas
How many molecules of ethanol are present in 125mL of ethanol? The density of ethanol is 0.789g/cm^3.
Determine the formation constant, Kf, of AC5. Kf=? The solubility of AB(s) in a 1.000-M solution of C(aq) is found to be 0.152 M. What is the Ksp of AB? Ksp=?
The Density of the air in the room is 1.19g/L. what is the mass, in Kg of the air in a room that measures 14.5ft x 16.5ft x 8.0ft?
If you used 0.165 mL of acetic anhydride, and 0.167 g of p-aminophenol. How many moles of the non-limiting reageant remained after the reaction was complete?
consider the following reaction, equilibrium concentrations and equilibrium constant at a particular temperature. determine the equilibrium concentration of NO2 (g)
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