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Calculate the volume in milliliters of a 0.30 M acetic acid solution that contains 0.0142 mol HC2H3O2.
An aqueous solution is 36.0 % by mass potassium bromide, KBr, and has a density of 1.33 g/mL. determine the mole fraction of potassium bromide in the solution?
Determination of Molecular SO2 Needed for Protecting Wine, You have just finished fermenting a wine and the pH = 3.7. You need 2mg/L "molecular" SO2 to protect the wine. What level of free SO2 do you have to add to achieve the level of the molecul..
The concentration of potassium ions inside a nerve cell is around 20 to 30 times that outside the cell. Calculate the potential difference between inside
What is the pressure in millimeters of mercury of 0.0110 mol of helium gas with a volume of 208 mL at a temperature of 35 degrees C?
determine the initial concentration - Constant rate is 3.20×10-4 M/s for a zero-order reaction. concentration has dropped to 9.00×10-2 M after 60.0 seconds
A gaseous mixture of O2 and Kr has a density of 1.102 g/L at 420 torr and 300. K. What is the mole percent O2 in the mixture?
How Much Chlorine Must be Added to a Swimming Pool? A solution used to chlorinate a home swimming pool contains 7% chlorine by mass. An ideal chlorine level for the pool is one part per million (think of 1 ppm as being 1 g chlorine per million gra..
Calculate the pH of the resultant mixtures: a. 10 ml of 0.2 M Ca(OH)2 + 25 ml of 0.1 M HCL b. 10 ml of 0.01 M H2SO4 + 10 ml of 0.01 M Ca(OH)2 c. 10 ml of 0.1 M H2SO4 + 10 ml of 0.1 M KOH
Draw all stereoisomers having molecular formula C6H12 that contain one double bond and give the IUPAC name for each compound.
How much heat is evolved when 3ll.5g of ammonia (NH3) gas condenses to a liquid at its boiling point? ^Hvap= 23.3 kj/mol.
Questions on H-NMR spectrum of isopentyl acetate - What would the effect on yield be of allowing the crushed Dry Ice to be exposed to the atmosphere for long periods of time before being used?
You use a properly calibrated explosimeter to measure the flammable hazard inside a tank that contained toluene and may still have some residual product a. inside.
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