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A reaction mixture was found to be composed of ketones, A, B, C. Ketone A was found to have an elemental analysis of C, 66.63% and H, 11.18%. The molecular weight of A was found to be 72.06 g mol^-1. Ketones B and C were found to have identical elemental analyses, which were C, 69.72 and H, 11.70%. The molecular weight of B and C was found to be 86.13 g mol^-1. Calculate the empirical and molecular formula of A and B (C).
How much ice(in grams) would have to melt to lower the temperature 352ml of water from 25degrees celcus to 5 degrees celcus? ( assume the density of water is 1.0g/ml)
Calculate the molarity of a solution of acetic acid made by dissolving 19.00 of glacial acetic acid at 25 in enough water to make 230.0 of solution.
A tanker truck carrying 5.0 103 kg of concentrated sulfuric acid solution tips over and spills its load. If the sulfuric acid is 94.0% H2SO4 by mass and has a density of 1.84 g/mL, how many kilograms of sodium carbonate must be added to neutralize..
0.50 of hydrogen chloride () is dissolved in water to make 5.5 of solution. What is the of the resulting hydrochloric acid solution?
Write and balance the equation for the complete combustion of heptane, C7H16. You do not need to include any phase symbols or energy
compressed gas cylinder contains 1.00 x 10^3 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18 C.
Identify the steric number, shape, hybridization about the central atom and molecular polarity of sulphuryl chloride, SO2Cl2.
A child has a dangerous blood lead level of 120ug/100mL. If the child is administered 100 mL of 0.10M Na2 Ca(EDTA), assuming the exchange reaction
Using the following reaction: OH- + HC2H3O2 ---> H2O + C2H3O2- a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid.
A sample of an oxide of iron weighing 2.40g was heated in a stream of hydrogen until it was completely converted to the metal,
Calculate the theoretical yield of iron in the reaction of 254 g of iron (III) oxide with 25.0 g of carbon, according to the equation 2Fe2O3(s) + 3C(s)> 4Fe(s) +3CO2(g)
Hospital patients are administered oxygen from an pressurized hyperbaric oxygen chamber. 600.0 L of oxygen is compressed in a cylinder at 160.0 atm. What volume of oxygen can a cylinder supply at the given pressure.
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