Will this cause your calculated concentrations to be high
Suppose that there is something in your sample that is absorbing at the same wavelength as the material you are looking at. Will your measured %T be too high or too low? Will this cause your calculated concentrations to be too high or too low?
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If 0.145g of this metal carbonate reacts completely with.125L of HCl(aq) with a pH of 1.56, what is the identity of the metal in this carbonate?
You and another student were each given an unknown compound. Both samples contained colorless material. You each used the same brand of commercially prepared TLC plate and developed the plates using the same solvent.
A mass is trapped on the x-axis. Its potential energy is given by U=-2x^3 -3x^2 +12x. Where x is i meters and U is in joules. A) Determine an expression for the force that acts on the mass as a function of position.
Explain the relative reactivities for butly chloride, sec-butyl chloride, and tert-butyl chloride with NaI acetone in terms of the structure of the transition state.
A sample of methane gas having a volume of 2.80 L at 25 degrees Celsius and 1.65 atm was mixed with a sample of oxygen gas having avolume of 35.0 L at 31 degrees Celsius and 1.25 atm. The mixture was then ignited to form carbon dioxide and water.
When 12.3 g of an unknown, non-volatile, non-electrolyte, X was dissolved in 100. g of methanol, the vapor pressure of the solvent decreased from 122.7 torr to 118.6 torr at 298 K. Calculate the molar mass of the solute, X.
Question: A chem 216 student titrated 5.15 g of an unknown weak acid with 0.92M of NaOH. Equivalence point was found to be 52.1 mL. What is the molecular weight of the unknown weak acid?
She particularly enjoys pickling and decides to pickle olivesover a leisurely weekend. According to the recipe, she needs to addthree teaspoons of salt to one cup of diced olives.
Calculate the mass (in grams) of solid benzoic acid(C6H5COOH) you would need, in order toprepare 1.0 liter of benzoic acid/benzoate buffer of pH 4.00, usinga stock 0.050 M sodium benzoate(C6H5COONa) solution.
If phosphoric acid is pour into an aluminum can, what would thereaction look like? We did this in lab to see if aluminum ofa soda can would leach into the soda, which was substituted with H3PO4 solution we made.
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