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what is the difference between a 10% (v/v) methanol (CH3OH) solution and a 10%(m/m) methanol solution
It required 71.5 mL of a 0.155 M KNO3 solution to fully react the copper in the ore sample. What was the percent copper in the ore.
Calculate the pH of the following solution made from .210 M in pyridime (C5H5N) and .350 M in pyridime chloride (C5H5NHCl). Kb: 1/7 x 10^-9
When doing column chromatography using a silica as a solvent. got two bands when separating blue dextran...but unfortunately cannot remember the colors of those bands
Use data from appendix iib in the textbook to calculate the equilibrium constants at 25 degrees Celsius for each of the following reactions:
It takes 51.0 J to raise the temperature of an 11.0 g piece of unknown metal from 13.0 degrees celcius to 24.0degrees celcius What is the specific heat for the metal? Express your answer numerically, in Joules/gram Degrees celcius
1.52g of an oxide of nitrogen contains 0.56 g of oxygen. determine the empirical formula of the compound.?
Calculate the root-mean-square speed of Ne atoms in m/s. My main problem is in converting the average kinetic energy of NH3 at 70 C to average kinetic energy of NH3 at 68 C?
how you will prepare 3-methly-1-butanol from a grignard reagent and any needed aldehyde or ketone.
what volume should you dilute 43.5mL of a 4.00M KI solution so that 24.0mL of the diluted solution contains
if the solubility of AgNO3 at 40oC is 211 g per 100 g of water, what mass of this solute can be dissolved in 350 g of water at the same temperature?
Many drugs are high-molecular-weight amines that are weak bases. Such amines are not soluble in water, which limits the ways they can be administered and means that they are not soluble in body fluids such as blood plasma and cerebrospinal fluid
Calculate the pH of this buffer if it is .10 M HC2H3O2 and .10 M C2H3O2-. The Ka for CH3COOH is 1.8x10^-5.
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