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What are the pH, pOH, hydroxide ion concentration , and hydronium ion concentration of a 0.014M strontium hydroxide solution?
The density of a liquid sulfur compound is 1.14 gmL1. This compound contains 23.7% sulfur. How many milliliters of the compound must be burned to obtain 6.40 g of SO2? Molar Mass SO2 64.1 gmol
If you shine a light beam through this sample, minimal light passes through ( assume no light passes through). What if your sample allows 50% of light to pass through? How many bacteria are in your sample.
For the reaction 2HCl + Na2CO3 to 2NaCl + H2O + CO2 what volume of 0.45 M HCl solution would be needed to produce 2.5 L of CO2 at STP?
Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.
What are the units for absorptivity where the path length is given in centimeters and the concentration is expressed in. a. parts per million
The initial concentrations of the three gases are 0.550 M H2S, .550 M H2, and .275 M S2. Determine the equilibrium concentrations of the gases.
Define Supercritical fliud. Give an example and it's properties. Which fundemental thermodynamic property is important to the solubility
water for the temperature of the trapped gas, will the calculated mass percent of metal in the sample be greater than, less than, or equal to real mass percent?
Consider the bronsted-lowry reactions taking place in these solutions. Indicate the type of Bronsted-Lowry species that characterizes the acid-base chemistry of the referenced solution.
What is the vapor pressure of pentane in this solution at 25°C? The vapor pressure of the pure liquids at 25°C are 451 torr for pentane and 321 torr for cyclopentane. Assume that the solution is an ideal solution.
What is the pH of the pyridine solution before you begin titrating? B) What is the pH after 75.0mL of the hydrochloric acid solution has been added?
determine the molecule weight of the liquid and the density of the vapor under these condition?
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