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A 16.96 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis as well as 16.58 grams of CO2 and 3.394 grams of H2O are produced.
In a separate experiment the molar mass is found to be 90.04 g/mol. Find out the empirical formula and the molecular formula of the organic compound.
calculate the volume of 19.4 M sulfuric acid that must be added to water to prepare
a 1.0 ounce piece of chocolate contains 15 rm mg of caffeine and a 6.0 ounce cup of regular coffee contains 105 rm mg
a buffer solution is prepred by adding 5.50g of ammonium chloride and 0.0188 mol of ammonia to enough water to make 155mL of solution a) What is the pH of the buffer
What is the Kp equalibrium constant expression for the following equalibrium? S8 (s) + 24F2(g) 8SF6(g) Kp=
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately. What is wrong with your setup
For each reaction below, (a) identify the oxidation states of the atoms and (b) identify the oxidant, reductant, species oxidized, and species reduced.
A list of compiled anhydrous masses for Na2CO3, CaSO4, and MgSO4 and I have to find the molar ratio of these anhydrous masses. The compiled list is from every section of chemistry, Different masses for different dates for each of the anhydrates
12.0 moles of gas are in a 5.00 l tank at 23.7 degree c. calculate the difference in pressure between methane and an
Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition. Express your answer as a chemical formula.
if nh32.0m h20.0013m and n2 0.033m then determine in which direction will the reaction proceed to reach equilibrium?
Suppose you have 5.00 g of powdered magnesium metal, 1.00 L of 2.00 M potassium nitrate solution, and 1.00 L of 2.00 M silver nitrate solution. (a) Which one of the solutions will react with the magnesium powder?
For the following reactants, predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation. Ca(s)+ HCI(aq)
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