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If you mix 20 ml of a 6 N HCl with 80 ml of another HCl solution, that resulting mixture has a concentration of 3 N. What is the concentration of the second solution that was used for the mixture?
a gaseous mixture of and contains 32.8 nitrogen by mass. what is the partial pressure of oxygen in the mixture if the
At -13.0 °C (a common temperature for household freezers), what is the maximum mass of sucrose (C12H22O11) you can add to 3.00 kg of pure water and still have the solution freeze?
A solution is made by mixing 15.5 g of NaOH and 73.0 mL of 0.150 M HNO3. Calculate the concentration of OH- ion remaining in solution.
1. calculate the numbers of moles of 2-butanol that needed to dissolved in ethenol125gms just to form 12 m 2 butanol
If 10.0mL of blood plasma has a mass of 10.279g and contains 0.870g of protein, what is the mass/mass percent concentration of the sample?
Assuming ideal behavior, calculate the mole fraction of toluene in the solution.
Oxygen gas is collected by water displacement from the reaction of sodium peroxide and water. The oxygen gas displaces 318 ml of water at 23 degrees C and 1 atm. What is the pressure of the dry oxygen gas?
A chloride solution, prepared by dissolving 0.2789 g of an unknown sample in 250.00mL as well as taking a 10-mL aliquot of the resulting solution, requires 11.21mL of the same silver nitrate solution to reach the end point. Explain what percentage..
Should you install a solar water heater? The average home has a 200 liter hot-water tank, which is effectively drained and replenished three times per day.
A nurse desires to prepare a 1.0% (m/v) solution of silver nitrate from 32mL of a 4.0% (m/v) stock solution. Explain how much water should be added to the 32mL stock solution
find the new volume of the gas sample.1.at constant pressure the temperature of a 10.25 liter sample of chlorine gas at
if 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution what is the molar concentration
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