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A 1.500 g sample of a compound containing only C, H and O was burned completely. The only combustion products were 1.738 g CO2 and 0.711 g H2O. What is the empirical formula of the compound? If the molecular mass of the compound was found to be 152.0.
Solutions of silver nitrate and aluminum iodide are mixed together, forming solid silver iodide and aqueous aluminum nitrate.
If 22.50mL of 0.100 M nitric acid is required to neutralize 25.0 mL of barium hydroxide solution, what is the molar concentration of the base. HNO3 (aq) + Ba(OH)2(aq) --->Ba(NO3)2 (aq) + H2O (l)
Explain Pressure of dry butane gas, Chemistry lab write up and I have to determine the pressure of the dry butane gas.
Describe what will be observed when a mixture of composition x_b=0.8 is heated, at each stage giving the number, composition, and relative amounts of the phases present.
The Ksp for silver sulfate (Ag2SO4) is 1.2 x 10-5 . Calculate the solubility of silver sulfate in each of the following a. water b. 0.10 M AgNO3 c. 0.20 M K2SO4.
Archeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive slope 14C present in the object. The amount of isolope decreases in a first-ordrr process.
Calculate moles of permanganate required. b. Show a balanced redox equation i. oxidation ii. reduction iii. overall c. How many moles of lead are present
Hex-1-ene, 2-methylpent-2-ene, 2,3-dimethylbut-2-ene, (Z)-hex-2-ene, (E)-hex-2-ene Which one has the highest boiling point and why
The concentration of sulfuric acid in the lead-storage battery of an automobile over a period of time has decreased from 38.0 % by mass (density of 1.29g/mL) to 26.0 percent by mass(1.19g/mL). Assume the volume of the acid remains constant at 724 ..
of the metal ions we tested in the flame, sodium gave the brightest and most persistent color. Do you think that if a mixture of potassium and sodium were burned in a flame, the gross color of potassium could be detected in the presence of sodium
the 20ml of water added to the erlenmeyer flask is to be previously boiled deionized water. since water does absorb co2
A dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.124 g sample was studied by combustion analysis, 0.223 g of CO2 and 0.0301 g of H2O formed.
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