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Enter the simplest molecular formula for cyclopropane given that one molecular formula is (CH2)3. Enter formula in form of Cx Hy .
What is the important component in 1.0 M NaOH? What is the important component in 1.0 M HCl
in a certain experiment 28.0 ml of 0.250 m hno3 and 53.0 ml of 0.320 m koh are mixed. calculate the amount of water
Calculate the formula of a compound, given that 55.85 g of iron combines with 32.06g of sulfur.
Determine the heat of combustion per gram of octane and the heat of combustion per mole of octane?
A 25.0 mL sample of river water was titrated with 0.0010 M Na2Cr2O7 and required 8.3 mL to reach the end-point. What is the chemical oxygen demand, in milligrams of O2 per liter, of the sample?
A compound that contains only C and H was burned in excess O2 to give CO2 and H2O. When 0.270 g of the compound was burned, the amount of CO2 formed reacted completely with 20.0 mL of 2.00 M NaOH solution according to the equation:
what is the mole fraction of magnesium chloride in a solution prepared by adding 15 grams of magnesium chloride
What mimimum hydronium ion concentration (M) would be needed to prevent precipitation of cupric hydroxide (Cu(OH)2 Cu2+ + 2OH- , Ksp = 2.2 x 10-20) from a solution containing 0.010 M Cu2+ ion?
What is the expected boiling point of a solution prepared by dissolving 5.83 g of sodium iodide (NaI) in 59.2 g of water (H20)? For water, Tb = 100.00 degrees Celsius and Kb = 0.512 degrees Celsius m-1. The answer is 100.675. Please show a step by..
What is the pE value in an acid mine water sample having [Fe3+] = 6.79E-3 M and [Fe2+] = 4.14E-4 M?
The distance between layers in a crystal is 281 pm. X rays are diffracted from these layers at an angle of 19.0°. Assuming that n = 1, calculate the wavelength of the X rays in nm.
a 2.50-g sample of a large biomolecule was dissolved in 37.0 g of carbon tetrachloride. the boiling point of this
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