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a saturated solution of barium chloride at 30C contains 150.0 g water. how much additional barium chloride can be dissolved by heating this solution to 60C
What is the concentration of the final solution obtained when 200.0 mL of a 0.00600-M solution of Red #40 dye is added to 400 mL of a 1.2 x 10^-2 solution of Red #40 dye to make a total volume of 600.0 mL?
Back titration with .02127 M Zn2+ at pH 5 reqired 23.54ml to reach the xylenol orage end pt. a 2.00ml sample of unknown was passed thru an ion-exchange column designed to absorb co2+. the Ni2+ that passes thru ion-exchange column was treated with ..
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 4.00 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C? Use CP = 30.8 ..
What products would you expect from reaction of 1-bromopropane with the reagent NAI? I believe this is a SN2 reaction
Draw the following molecule and its ring flipped conformer in the chair conformation on a sheet of paper: trans-1-chloro-2-methylcyclohexane
NMR spectra are typically taken in deuterated solvents such as CDCl3? However, a residual non-deuterated CHCl3 (
Another metal phosphate is nickel phosphate. It will behave similar to calcium phosphate in an acid solution. What is the net ionic equation including phases for NiPO4(s) dissolving in H3O+(aq)?
Calculate the molarity of a solution containing KCI and water whose osmotic pressure at 31.4 degrees Celsius is 125 torr. Assume complete dissociation of the salt. What are the steps to arrive at an answer of 0.00329M
Determine the volume of CO 2 at a temperature twenty two degree Celsius and a pressure of 781 mmHg could be absorbed by 327 grams of Lithium hydroxide LiOH?
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid.
The two salts NaHPO4 and Na2HPO4 are used to make a buffer. Which one is the acid and which one is the base
Calculating the molecular formula of an organic compound. Worked example, using fundamental formula and balanced equations.
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