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Four beakers containing potassium nitrate dissolved in water are allowed to evaporate to dryness. Beakers 1 through 4 contain 2.3, 1.91, 5.985, and 0.52 g of dry potassium nitrate respectively. How many moles of potassium nitrate were recovered after the water evaporated?
What is the total volume of gases produced at 819K and 1atm pressure when 256 g of ammonium nitrate (NH4NO2) undergoes the following decomposition?
what are the names of the quantity measured by each of seven SI base units and the SI symbols of the unit?
A 9.780 g. gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen. Calculate the mass percent of ethane in the original mixture.
Single double triple bonding, Explain the characteristics of a single, double, and triple bonds including why they form and how the electrons
Graphite is a semi-metal composed of sheets of fused benzene rings. There are no bonds between sheets, only van der Waals interactions
Why is the same volume of thiosulfate used in each reaction? What is the purpose of the thiosulfate? [You must explain the technical reasons for including the thiosulfate
Identify the carbon atom(s) in the structure shown that has (have) each of the following hybridizations.
When a 30 mL sample of KOH solution is titrated with a standard solution of 0.411 M benzoic acid, it takes 25.5 mL to reach the equivalence point of the titration. What was the original concentration of the base?
Question1. Describe the movement of gas particles. ; Question2. Compare the shape and volume of a solid and a gas.; Question3. Gases are easily compressed.
Write a net Ionic equation for the reaction that takes place when aq barium chloride soln reacts with an aq soln of potassium phosphate.
Using a stock solution of 95.4ppm MgCO3, you are directed by your instructor to make calibration standards of 1.0, 7.5, and12.0 ppm. If you use 100mL volumetric flasks to make the solutions, what volume of stock solution will you require for each ..
Need help figuring out the proper steps on how to solve -What volume of 1.25M HCl in liters is needed to react completely
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