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what mass of potassium benzoate is needed to prepare one liter of a 0.135M solution of potassium benzoate?
How many moles of methane (CH4) gas are in 745 mL at 25.5C and 730 torr?
What is the vapor pressure of the stored mixture?
A sample of glucose, C6H12O6, contains 1.265 x 1021 carbon atoms. (a) How many atoms of hydrogen does it contain?
Calculate the molarity of a solution made by dissolving 0.650 grams of Na2SO4 in enough water to form exactly 880 mL of solution.
determine the molarity of a solution prepared by dissolving 45.0g of CH3OH in sufficient water to make 725mL.
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.190 M HClO(aq) with 0.190 M KOH(aq). The ionization constant for HClO can be found here.
As space exploration increases, means of communication between humans and other planets are being developed
If 7.00 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?
Electrochemistry and Solubility, The potential of the cell Bi|Bi2S3(s) |Bi2S3(aq)|Bi is 0.96 V at 25*C. Calculate the solubility of Bi2S3, Assume it is an ideal solution.
Often reactions of tertiary alcohols or tertiary alkyl halides result in elimination reactions and not substitution reactions
There are many types of energy: electrical, kinetic, gravitational potential, chemical, elastic, heat, etc. Choose an object or system in which energy is transformed from one form to another. Describe the energy transformations in this object or s..
The paint formerly used on some storage tanks contained aluminum powder, which reflected heat from the surface of the tanks. Why did experts recommend grounding these tanks
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