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Question- What is the molar mass of a compound if 5.12 grams is dissolved in 25.0 grams of chloroform solvent to form a solution that has a boiling point of 67.54 °C? The boiling point of pure chloroform is 61.70 °C and the boiling point elevation constant, Kbp, is 3.63 °C/m.
I desire you to define the chemistry in this problem
How to Name and Define Acids, How can you know that HNO3 is nitric acid and HNO2 is nitrous acid? How do you know the difference in endings?
what is the root-mean-square molecular speed of a gas molecule of this smelly gas molecule at 25C?
A solution was prepared by dissolving 0.450 g MgSO4 (FW=120.363g/mol) in 0.500L of water. A 50.0 mL aliquot of this solution consumed 37.60 mL of EDTA solution in a titration. How many milligrams of CaCO3 (FW=100.089g/mol) will react with 1.00 mL ..
what mass of ccl2f2 must evaporate in order to freeze 115 g of water initially at 21 c? the heat of fusion of water is
A solution of iodine was standardized with ascorbic acid. A 0.1150 g sample of ascorbic acid required 28.37 mL of I2 to reach a starch end point. Calculate the molarity of the iodine solution.
In the laboratory we may prepare a sodium hydroxide solution by dissolving 2.0 grams of sodium hydroxide into enough DI water to give a total volume of 500ml. What are the [OH-], the [H3O+] and the pH of the resulting solution?
A solution composed of 50% ethanol (EtOH), 10% methanol (MeOH), and 40% water (H2O) is fed at the rate of 100 kg/hr into a separator that produces one stream
Find the pH solution & Hydronium ion concentration and What is the pH of a solution of 0.17 M acid and 0.81 M of its conjugate base if the pKa = 8.62?
To qualify to run in the 2005 Boston Marathon, a distance of 26.2 miles, an 18 year old woman had to have competed another marathon in 3 hours and 40 minutes or less. To qualify, what must a woman's average speed have been
A sample of neon gas used in a neon sign occupies a volume of 1.50 L at a pressure of 630 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 793 torr.
The free energy change of the conversion of tasmainium to bulgarium was - 60 kcal and the enthalpy of the reaction was determined to be - 9.2kcal.
The chlorine oxides, in which a chlorine atom is bonded to one or more oxygen atoms, are significant molecules in the chemistry of the atmosphere.
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