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thomas poured 25 mL of 0.50 M HCl into a large bottle. He then added enough water so that the new (diluted) concentration was 0.10 M HCl. How much water did Thomas add?
A solution is prepared by dissolving 159 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
Calculate the OH- of each aqueous solution with the following H3O+ A baking soda 1.1 X 10-8 M B orange juice 2.1 X 10-4
The vapor pressure of chlorine dioxide (ClO2) is 155 Torr at 22.75 C and 485 Torrat 0C. what is the standard enthalpy of vaporization?
a corrosion technologist pipetted a 100 ml hard water sample and titrated it with 37.64 ml of 0.01 M EDTA solution for a total endpoint, and 29.32 ml of 0.01 M EDTA solution for a calcium endpoint.
What is the concentration of the AgNO3 solution. How many grams of AgNO3 are precipitated.
you have a mixture of oxygen and argon in a 2.50 L container. You know that the oxygen has a mass of 3.44 grams. The total pressure of the gases is 1.86 atm, and their temperature is 22 degrees C.
If a container having a volume of 322mL at 25.o degrees celcius was to suddenly reduce to 75.0mL, what would be the new temp.(n,p constant)?
How much KClO3 in grams is needed to generate 7.50L of O2 at pressure of 1.00atm and temp of 298K?
One Step is a product sold as a cleaner/sanitizer and has the formula 2Na2CO3?3H2O2. If 15.175 g of this compound is dissolved in water and diluted to exactly 1 gallon as directed
Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0 degrees C. Given, the specific heat of copper is 0.382 cal/g x degrees C.
Calculate the vapor pressure of a solution made by dissolving 109 grams of glucose
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