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7.480 g of an organic compound is mixed with water to make a 300 ml solution which has an osmotic pressure of 1.43 atm at 27 degrees C. An analysis of the compound shows that it contains 41.8 % C, 4.7 % H, 37.3 % O and 16.3 % N. Calculate the molecular formula.
Write oxidation number of the following: a) ammonium oxalate, (NH4)2C2O4 and b) ethanol, C2H5OH. please include calculations.
Depending on temperature, RbCl can exist in either the rock-salt or CsCl structure type. Give the cation and anion coordination number for each structure type.
if a sample of gas at 25.2 C has a volume of 536 mL at 637 torr, what will its volume be if the pressure is increased to 712 torr.
An old synthetic procedure starts by calling for fifteen kilo grams of sulfuric acid. If your largest reaction vessel holds ten litres, can you put the fifteen kilograms of acid into the vessel, or would you require to scale down the reaction reag..
metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. if 16.2 g of mg are heated with
What is the molarity of a HCl solution that contains 6.13 g of HCl in 352 mL of solution?
What volume (in mL) of 25.0 M hydrochloric acid is required to prepare the volume of 17.0 M hydrochloric acid you found you needed in A to neutralize 4.0 grams of aluminum (III) hydroxide
what is the purpose of anhydrous cacl2? why it is important that none of the solid cacl2 be included in the final
many cigarette lighters contain liquid butane rm c4h10 lusing enthalpies of formation calculate the quantity of heat
What is the molarity of the ATP solution. How many moles of ATP are in the 500mL of solution. How many μ moles of ATP are in your curvette
calculate [H30] and [OH] in a 200 mL solution in which 0.500g of HCL is dissolved
the oxygen gas emitted by an aquatic plant was collected over water at a temerature of 293 k and a total pressure of 755.2 mmhg.
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