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How can the molarity of chloride ion be calculated when 16 mL (2 mL intervals) of 12 M HCL is added to 5 mL of 0.4 M CO(NO3)2?
Estimate the concentration of KCL solution at 298K, if the vapor pressure of pure water is 23.76 mmHg and that of KCL solution is 22.98 mmHg
The combustion of .1703 mole of hydrocarbon produces 12.27g H2O and 22.48g CO2. What is the molar mass of the hydrocarbon?
What weight of A would be removed by four successive extractions with 25-mL portions of ligroin? How much ligroin would be required to remove 98.5% of A in a single extraction?
Calculate the pH of a buffer made from mixing 10.0 mL of 0.100M NaC2H3O2 and 10.0 mL of 0.100M Hc2H3O2. a) Calculate the pH of the buffer when 5.00 mL of a 0.0100M HaOH is added.
What are the Bi and Bi+ quantum numbers of the electron removed when Bi is ionized to Bi+?
Determine the molar internal energy (kJ/mol) of HCl (B = 10.59 cm-1 and ? = 2886 cm-1) under standard thermodynamic conditions. For the vibrational part, use N = nNa.
What will be the pH if 0.00820 mol of HA (pKa=2.34) and 0.00820 mol of A- are dissolved in water to make 1.000 L of solution? this is a dilute acid problem
Sodium thisulfate, Na2S2O3, is used as a fixer when developing photographic film. What is the mass in grams of Na2S2O3 needed to make 100ml of a 0.25 solution?
Use the graph from the Introduction that plots the density of ethanol solutions from 20 to 60 mass percent to answer the following questions:
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air.
how many moles og Agcl are produced when 100.0mL of 358 M silver nitrate and 50.0mL of .716 M sodium chlroide are mixed?
A manufacturer of bicycles has 4819 wheels, 2305 frames, and 2250 handlebars. How many wheels are left over? How many frames are left over? How many handlebars are left over? Which part limits the production of bicycles?
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