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1) What is the number of hydronium ions in 2mL of 2.50 M sulfuric acid solution?
2) If 31.0 mL of 34.0% hydrochloric acid solution (density = 1.17g/mL) is diluted with water to a volume of 1.50 L, what is the concentration of the diluted solution?
Why is concentrated sulfuric acid employed in the nitration of methyl benzoate reaction. What is the electrophile that is produced by the reaction of sulfuric acid and nitric acid
Did an experiment where we extracted the caffeine in 1 bag of tea. We added the bag of tea leaves to the solution where the sodium carbonate solution. Explain what the purpose of adding the sodium carbonate was.
A compound of potassium had the following percentage composition: K 44.90%; H 0.5787%; P 17.78%. The rest was oxygen. Calculate the empirical formula of this compound
how many atoms is 3.87 moles of lithium? how many molecules is 0.342 moles of phosphorus pentachloride? how many moles
if 26.8 grams of lithium hydroxide is mixed with 250ml of water to form a solution which is then reacted with boron
the smallest whole-number coefficients: C2H6 (g) + O2 (g) = CO2 (g) + H2O (g)
A cylindrical vessel with rigid adiabatic walls is separated into two parts by a frictionless adiabatic adiabatic piston. Each part contains 50.0L of an ideal monatomic gas with Cv = 3R/2. Initially, Ti = 325K and Pi = 2.50x10^5 Pa in each part.
What is the boiling point of a 0.800 molal solution of sugar in water? Kb = 0.512C/m for water. Sugar does not dissociate in solution and pure water boils at 100C.
A refrigeration tank holding 5.00 L of Freon gas (C2Cl2F4) at 25°C and 3.00 atm pressure developed a leak. When the leak was discovered and repaired, the tank had lost 76.0 g of the gas.
Estimate the average spacing between water molecules in liquid water by making use of 2 pieces of information: (a) liquid water has a density of 1 g/cm^3
A compound is known to contain 51.27% carbon and 27.30% oxygen by mass. Each molecule contains two atoms of oxygen. What is the molar mass of this substance
The heat energy required to melt 1.00 g of ice at 0 degrees C is 333J. If one ice cube has a mass of 62.0 g, and a tray contains 16 ice cubes, what quantity of energy is required to melt a tray of ice cubes to form liquid water at 0 degrees C
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