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Write the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by P
Draw the expected titration curve for the titration of methylamine (a weak base) with hydrochloric acid? What would be the nature of the salt produced at equivalence point of this titration?
a mass of 48.5 g of a certain substanse can be disolved in 29.1 cm3 of water at 20 degrees celcius. Calculate the solubility of this substance per gram of water at the same temperature.
Data from a lab experiment to calculate the concentraion of the deprotoned form of p-nitrophenol in the solution that we made up which consisted of:
Silver chloride, often used in silver plating, contains 75.27% Ag by mass. Calculate the mass of silver chloride required to plate 155 mg of pure silver.
A 100.0 mL sample of water from a salt lake has a chloride ion concentration of 0.25 M. Does AgCl (s) precipitate from solution if 5.0 mL of 0.10 M AgNO3 (aq) is added to the sample
How much heat is required to warm 1.40 kilograms of sand from 24.0 degrees Celsius to 100.0 degrees Celsius?
What is the vapor pressure (in torr) above a solution prepared by mixing 47.89 g of water, H2O, with 47.65 g of ethanol, C2H5OH, at 63.50 °C?
Analytical molar concentrations of HA species 2) Equilibrium molar concentrations of HA species. Trichloroacetic acid (HA) is 73% ionized in water
If the presure of 50.0 mL of oxygen gas at 100oC increases from 735 mm Hg to 925 mm Hg, what is the final volume? Assume the temperature remains constant.
a box contains 126000 red marbles and 885000 yelllow marbles. What sample size is required to reduce the sampling standard deviation of red marbles to 1.85%
What is the molality of a solution formed by dissolving 1.70 mol of KCl in 15.0 mol of water (MM of water = 18.02 g/mol),
You have a box of volume 1.00 liter into which you inject 2.65 g of NH3 at 600 K. What will be the final concentrations of NH3, N2, and H2 after equilibrium is established
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